Annapolis weather by month

Check out Annapolis weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Annapolis (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
41°F maximum daytime temperature in January in Annapolis41
45°F maximum daytime temperature in February in Annapolis45
55°F maximum daytime temperature in March in Annapolis55
64°F maximum daytime temperature in April in Annapolis64
75°F maximum daytime temperature in May in Annapolis75
82°F maximum daytime temperature in June in Annapolis82
88°F maximum daytime temperature in July in Annapolis88
86°F maximum daytime temperature in August in Annapolis86
79°F maximum daytime temperature in September in Annapolis79
68°F maximum daytime temperature in October in Annapolis68
57°F maximum daytime temperature in November in Annapolis57
46°F maximum daytime temperature in December in Annapolis46
Min temperature (night-time)
25°F minimum night-time temperature in January in Annapolis25
27°F minimum night-time temperature in February in Annapolis27
36°F minimum night-time temperature in March in Annapolis36
43°F minimum night-time temperature in April in Annapolis43
54°F minimum night-time temperature in May in Annapolis54
63°F minimum night-time temperature in June in Annapolis63
68°F minimum night-time temperature in July in Annapolis68
66°F minimum night-time temperature in August in Annapolis66
59°F minimum night-time temperature in September in Annapolis59
46°F minimum night-time temperature in October in Annapolis46
39°F minimum night-time temperature in November in Annapolis39
30°F minimum night-time temperature in December in Annapolis30
Heat & Humidity
No heat & humidity in January in Annapolis0
No heat & humidity in February in Annapolis0
No heat & humidity in March in Annapolis0
No heat & humidity in April in Annapolis0
No heat & humidity in May in Annapolis0
Moderate heat & humidity in June in AnnapolisM
High heat & humidity in July in AnnapolisH
Moderate heat & humidity in August in AnnapolisM
Low heat & humidity in September in AnnapolisL
No heat & humidity in October in Annapolis0
No heat & humidity in November in Annapolis0
No heat & humidity in December in Annapolis0
Sea temperature
37°F sea temperature in January in Annapolis37
36°F sea temperature in February in Annapolis36
41°F sea temperature in March in Annapolis41
50°F sea temperature in April in Annapolis50
55°F sea temperature in May in Annapolis55
68°F sea temperature in June in Annapolis68
75°F sea temperature in July in Annapolis75
77°F sea temperature in August in Annapolis77
73°F sea temperature in September in Annapolis73
64°F sea temperature in October in Annapolis64
54°F sea temperature in November in Annapolis54
43°F sea temperature in December in Annapolis43

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & UV index in Annapolis

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
10 hours of daylight per day in January in Annapolis10
11 hours of daylight per day in February in Annapolis11
12 hours of daylight per day in March in Annapolis12
13 hours of daylight per day in April in Annapolis13
14 hours of daylight per day in May in Annapolis14
15 hours of daylight per day in June in Annapolis15
15 hours of daylight per day in July in Annapolis15
14 hours of daylight per day in August in Annapolis14
12 hours of daylight per day in September in Annapolis12
11 hours of daylight per day in October in Annapolis11
10 hours of daylight per day in November in Annapolis10
9 hours of daylight per day in December in Annapolis9
UV Index (Maximum)
UV (maximum) index 2 (Low) in January in Annapolis2
UV (maximum) index 3 (Moderate) in February in Annapolis3
UV (maximum) index 5 (Moderate) in March in Annapolis5
UV (maximum) index 6 (High) in April in Annapolis6
UV (maximum) index 8 (Very High) in May in Annapolis8
UV (maximum) index 9 (Very High) in June in Annapolis9
UV (maximum) index 9 (Very High) in July in Annapolis9
UV (maximum) index 8 (Very High) in August in Annapolis8
UV (maximum) index 7 (High) in September in Annapolis7
UV (maximum) index 4 (Moderate) in October in Annapolis4
UV (maximum) index 3 (Moderate) in November in Annapolis3
UV (maximum) index 2 (Low) in December in Annapolis2

Rainfall in Annapolis

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
10 days with some rainfall in January in Annapolis10
9 days with some rainfall in February in Annapolis9
10 days with some rainfall in March in Annapolis10
10 days with some rainfall in April in Annapolis10
11 days with some rainfall in May in Annapolis11
9 days with some rainfall in June in Annapolis9
10 days with some rainfall in July in Annapolis10
10 days with some rainfall in August in Annapolis10
7 days with some rainfall in September in Annapolis7
7 days with some rainfall in October in Annapolis7
8 days with some rainfall in November in Annapolis8
9 days with some rainfall in December in Annapolis9
Average monthly rainfall (inches)
3.2 inches monthly rainfall in January in Annapolis3.2
3.0 inches monthly rainfall in February in Annapolis3.0
3.8 inches monthly rainfall in March in Annapolis3.8
3.3 inches monthly rainfall in April in Annapolis3.3
3.9 inches monthly rainfall in May in Annapolis3.9
3.7 inches monthly rainfall in June in Annapolis3.7
4.1 inches monthly rainfall in July in Annapolis4.1
4.3 inches monthly rainfall in August in Annapolis4.3
3.6 inches monthly rainfall in September in Annapolis3.6
3.1 inches monthly rainfall in October in Annapolis3.1
3.5 inches monthly rainfall in November in Annapolis3.5
3.6 inches monthly rainfall in December in Annapolis3.6

More about Annapolis

Annapolis by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Maryland (Annapolis) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Annapolis?

Annapolis has a temperate climate with hot summers and some rainfall in all months.

Annapolis weather in January

Expect daytime maximum temperatures of 41°F in Annapolis, Maryland in January based on long-term weather averages. There are 5 hours of sunshine per day on average with 10 days with some rainfall and typically 3.2 inches of rainfall in the month, which might fall as snow.

  • 41°F maximum daytime temperature in January in Annapolis41
    41°F max day temperature
  • 5 hours of sunshine per day
  • 10 days with some rainfall in January in Annapolis10
    10 days with some rainfall
  • 25°F minimum night-time temperature in January in Annapolis25
    25°F min night temperature
  • 10 hours of daylight per day in January in Annapolis10
    10 hours of daylight per day
  • No heat & humidity in January in Annapolis0
    No heat & humidity
  • 3.2 inches monthly rainfall in January in Annapolis3.2
    3.2 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in January in Annapolis2
    2 (Low) UV index
  • 37°F sea temperature in January in Annapolis37
    37°F sea temperature

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Annapolis weather in February

Expect daytime maximum temperatures of 45°F in Annapolis, Maryland in February based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 3.0 inches of rainfall in the month.

  • 45°F maximum daytime temperature in February in Annapolis45
    45°F max day temperature
  • 6 hours of sunshine per day
  • 9 days with some rainfall in February in Annapolis9
    9 days with some rainfall
  • 27°F minimum night-time temperature in February in Annapolis27
    27°F min night temperature
  • 11 hours of daylight per day in February in Annapolis11
    11 hours of daylight per day
  • No heat & humidity in February in Annapolis0
    No heat & humidity
  • 3.0 inches monthly rainfall in February in Annapolis3.0
    3.0 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in February in Annapolis3
    3 (Moderate) UV index
  • 36°F sea temperature in February in Annapolis36
    36°F sea temperature

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Annapolis weather in March

Expect daytime maximum temperatures of 55°F in Annapolis, Maryland in March based on long-term weather averages. There are 7 hours of sunshine per day on average with 10 days with some rainfall and typically 3.8 inches of rainfall in the month.

  • 55°F maximum daytime temperature in March in Annapolis55
    55°F max day temperature
  • 7 hours of sunshine per day
  • 10 days with some rainfall in March in Annapolis10
    10 days with some rainfall
  • 36°F minimum night-time temperature in March in Annapolis36
    36°F min night temperature
  • 12 hours of daylight per day in March in Annapolis12
    12 hours of daylight per day
  • No heat & humidity in March in Annapolis0
    No heat & humidity
  • 3.8 inches monthly rainfall in March in Annapolis3.8
    3.8 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in March in Annapolis5
    5 (Moderate) UV index
  • 41°F sea temperature in March in Annapolis41
    41°F sea temperature

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Annapolis weather in April

Expect daytime maximum temperatures of 64°F in Annapolis, Maryland in April based on long-term weather averages. There are 8 hours of sunshine per day on average with 10 days with some rainfall and typically 3.3 inches of rainfall in the month.

  • 64°F maximum daytime temperature in April in Annapolis64
    64°F max day temperature
  • 8 hours of sunshine per day
  • 10 days with some rainfall in April in Annapolis10
    10 days with some rainfall
  • 43°F minimum night-time temperature in April in Annapolis43
    43°F min night temperature
  • 13 hours of daylight per day in April in Annapolis13
    13 hours of daylight per day
  • No heat & humidity in April in Annapolis0
    No heat & humidity
  • 3.3 inches monthly rainfall in April in Annapolis3.3
    3.3 inches of monthly rainfall
  • UV (maximum) index 6 (High) in April in Annapolis6
    6 (High) UV index
  • 50°F sea temperature in April in Annapolis50
    50°F sea temperature

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Annapolis weather in May

Expect daytime maximum temperatures of 75°F in Annapolis, Maryland in May based on long-term weather averages. There are 8 hours of sunshine per day on average with 11 days with some rainfall and typically 3.9 inches of rainfall in the month.

  • 75°F maximum daytime temperature in May in Annapolis75
    75°F max day temperature
  • 8 hours of sunshine per day
  • 11 days with some rainfall in May in Annapolis11
    11 days with some rainfall
  • 54°F minimum night-time temperature in May in Annapolis54
    54°F min night temperature
  • 14 hours of daylight per day in May in Annapolis14
    14 hours of daylight per day
  • No heat & humidity in May in Annapolis0
    No heat & humidity
  • 3.9 inches monthly rainfall in May in Annapolis3.9
    3.9 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in May in Annapolis8
    8 (Very High) UV index
  • 55°F sea temperature in May in Annapolis55
    55°F sea temperature

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Annapolis weather in June

Expect daytime maximum temperatures of 82°F in Annapolis, Maryland in June based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 3.7 inches of rainfall in the month.

  • 82°F maximum daytime temperature in June in Annapolis82
    82°F max day temperature
  • 9 hours of sunshine per day
  • 9 days with some rainfall in June in Annapolis9
    9 days with some rainfall
  • 63°F minimum night-time temperature in June in Annapolis63
    63°F min night temperature
  • 15 hours of daylight per day in June in Annapolis15
    15 hours of daylight per day
  • Moderate heat & humidity in June in AnnapolisM
    Moderate heat & humidity
  • 3.7 inches monthly rainfall in June in Annapolis3.7
    3.7 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in June in Annapolis9
    9 (Very High) UV index
  • 68°F sea temperature in June in Annapolis68
    68°F sea temperature

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Annapolis weather in July

Expect daytime maximum temperatures of 88°F in Annapolis, Maryland in July and high heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average with 10 days with some rainfall and typically 4.1 inches of rainfall in the month.

  • 88°F maximum daytime temperature in July in Annapolis88
    88°F max day temperature
  • 9 hours of sunshine per day
  • 10 days with some rainfall in July in Annapolis10
    10 days with some rainfall
  • 68°F minimum night-time temperature in July in Annapolis68
    68°F min night temperature
  • 15 hours of daylight per day in July in Annapolis15
    15 hours of daylight per day
  • High heat & humidity in July in AnnapolisH
    High heat & humidity
  • 4.1 inches monthly rainfall in July in Annapolis4.1
    4.1 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in July in Annapolis9
    9 (Very High) UV index
  • 75°F sea temperature in July in Annapolis75
    75°F sea temperature

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Annapolis weather in August

Expect daytime maximum temperatures of 86°F in Annapolis, Maryland in August based on long-term weather averages. There are 9 hours of sunshine per day on average with 10 days with some rainfall and typically 4.3 inches of rainfall in the month.

  • 86°F maximum daytime temperature in August in Annapolis86
    86°F max day temperature
  • 9 hours of sunshine per day
  • 10 days with some rainfall in August in Annapolis10
    10 days with some rainfall
  • 66°F minimum night-time temperature in August in Annapolis66
    66°F min night temperature
  • 14 hours of daylight per day in August in Annapolis14
    14 hours of daylight per day
  • Moderate heat & humidity in August in AnnapolisM
    Moderate heat & humidity
  • 4.3 inches monthly rainfall in August in Annapolis4.3
    4.3 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in August in Annapolis8
    8 (Very High) UV index
  • 77°F sea temperature in August in Annapolis77
    77°F sea temperature

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Annapolis weather in September

Expect daytime maximum temperatures of 79°F in Annapolis, Maryland in September based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 3.6 inches of rainfall in the month.

  • 79°F maximum daytime temperature in September in Annapolis79
    79°F max day temperature
  • 8 hours of sunshine per day
  • 7 days with some rainfall in September in Annapolis7
    7 days with some rainfall
  • 59°F minimum night-time temperature in September in Annapolis59
    59°F min night temperature
  • 12 hours of daylight per day in September in Annapolis12
    12 hours of daylight per day
  • Low heat & humidity in September in AnnapolisL
    Low heat & humidity
  • 3.6 inches monthly rainfall in September in Annapolis3.6
    3.6 inches of monthly rainfall
  • UV (maximum) index 7 (High) in September in Annapolis7
    7 (High) UV index
  • 73°F sea temperature in September in Annapolis73
    73°F sea temperature

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Annapolis weather in October

Expect daytime maximum temperatures of 68°F in Annapolis, Maryland in October based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 3.1 inches of rainfall in the month.

  • 68°F maximum daytime temperature in October in Annapolis68
    68°F max day temperature
  • 7 hours of sunshine per day
  • 7 days with some rainfall in October in Annapolis7
    7 days with some rainfall
  • 46°F minimum night-time temperature in October in Annapolis46
    46°F min night temperature
  • 11 hours of daylight per day in October in Annapolis11
    11 hours of daylight per day
  • No heat & humidity in October in Annapolis0
    No heat & humidity
  • 3.1 inches monthly rainfall in October in Annapolis3.1
    3.1 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in October in Annapolis4
    4 (Moderate) UV index
  • 64°F sea temperature in October in Annapolis64
    64°F sea temperature

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Annapolis weather in November

Expect daytime maximum temperatures of 57°F in Annapolis, Maryland in November based on long-term weather averages. There are 5 hours of sunshine per day on average with typically 3.5 inches of rainfall in the month.

  • 57°F maximum daytime temperature in November in Annapolis57
    57°F max day temperature
  • 5 hours of sunshine per day
  • 8 days with some rainfall in November in Annapolis8
    8 days with some rainfall
  • 39°F minimum night-time temperature in November in Annapolis39
    39°F min night temperature
  • 10 hours of daylight per day in November in Annapolis10
    10 hours of daylight per day
  • No heat & humidity in November in Annapolis0
    No heat & humidity
  • 3.5 inches monthly rainfall in November in Annapolis3.5
    3.5 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in November in Annapolis3
    3 (Moderate) UV index
  • 54°F sea temperature in November in Annapolis54
    54°F sea temperature

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Annapolis weather in December

Expect daytime maximum temperatures of 46°F in Annapolis, Maryland in December based on long-term weather averages. There are 5 hours of sunshine per day on average with typically 3.6 inches of rainfall in the month.

  • 46°F maximum daytime temperature in December in Annapolis46
    46°F max day temperature
  • 5 hours of sunshine per day
  • 9 days with some rainfall in December in Annapolis9
    9 days with some rainfall
  • 30°F minimum night-time temperature in December in Annapolis30
    30°F min night temperature
  • 9 hours of daylight per day in December in Annapolis9
    9 hours of daylight per day
  • No heat & humidity in December in Annapolis0
    No heat & humidity
  • 3.6 inches monthly rainfall in December in Annapolis3.6
    3.6 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in December in Annapolis2
    2 (Low) UV index
  • 43°F sea temperature in December in Annapolis43
    43°F sea temperature

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More about Annapolis

Annapolis by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Maryland

  • Save EXTRA 5% on airport transfers worldwide
  • Book private taxis & shuttle buses with discount code
  • Enter in coupon box on 'Reservations' page
Show discount codeShow discount code ******WEB

Expires at 23:59 on Thursday 31st Dec 2026

The climate guide for Maryland (Annapolis) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Compare Annapolis weather with the UK

The weather chart below compares the average monthly maximum daytime temperature for Annapolis, Maryland, USA and the UK (London).

Maximum daytime temperature (°F)

Annapolis, Maryland, USA
UK (London)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

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