Chelmsford weather by month

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

Temperature in Chelmsford (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
43°F maximum daytime temperature in January in Chelmsford43
45°F maximum daytime temperature in February in Chelmsford45
50°F maximum daytime temperature in March in Chelmsford50
54°F maximum daytime temperature in April in Chelmsford54
61°F maximum daytime temperature in May in Chelmsford61
68°F maximum daytime temperature in June in Chelmsford68
72°F maximum daytime temperature in July in Chelmsford72
72°F maximum daytime temperature in August in Chelmsford72
66°F maximum daytime temperature in September in Chelmsford66
59°F maximum daytime temperature in October in Chelmsford59
50°F maximum daytime temperature in November in Chelmsford50
45°F maximum daytime temperature in December in Chelmsford45
Min temperature (night-time)
34°F minimum night-time temperature in January in Chelmsford34
34°F minimum night-time temperature in February in Chelmsford34
36°F minimum night-time temperature in March in Chelmsford36
39°F minimum night-time temperature in April in Chelmsford39
43°F minimum night-time temperature in May in Chelmsford43
48°F minimum night-time temperature in June in Chelmsford48
52°F minimum night-time temperature in July in Chelmsford52
52°F minimum night-time temperature in August in Chelmsford52
50°F minimum night-time temperature in September in Chelmsford50
45°F minimum night-time temperature in October in Chelmsford45
37°F minimum night-time temperature in November in Chelmsford37
36°F minimum night-time temperature in December in Chelmsford36
Heat & Humidity
No heat & humidity in January in Chelmsford0
No heat & humidity in February in Chelmsford0
No heat & humidity in March in Chelmsford0
No heat & humidity in April in Chelmsford0
No heat & humidity in May in Chelmsford0
No heat & humidity in June in Chelmsford0
No heat & humidity in July in Chelmsford0
No heat & humidity in August in Chelmsford0
No heat & humidity in September in Chelmsford0
No heat & humidity in October in Chelmsford0
No heat & humidity in November in Chelmsford0
No heat & humidity in December in Chelmsford0

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

Sunshine & UV index in Chelmsford

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
8 hours of daylight per day in January in Chelmsford8
10 hours of daylight per day in February in Chelmsford10
12 hours of daylight per day in March in Chelmsford12
14 hours of daylight per day in April in Chelmsford14
16 hours of daylight per day in May in Chelmsford16
17 hours of daylight per day in June in Chelmsford17
16 hours of daylight per day in July in Chelmsford16
15 hours of daylight per day in August in Chelmsford15
13 hours of daylight per day in September in Chelmsford13
11 hours of daylight per day in October in Chelmsford11
9 hours of daylight per day in November in Chelmsford9
8 hours of daylight per day in December in Chelmsford8
UV Index (Maximum)
UV (maximum) index 1 (Low) in January in Chelmsford1
UV (maximum) index 1 (Low) in February in Chelmsford1
UV (maximum) index 2 (Low) in March in Chelmsford2
UV (maximum) index 4 (Moderate) in April in Chelmsford4
UV (maximum) index 5 (Moderate) in May in Chelmsford5
UV (maximum) index 6 (High) in June in Chelmsford6
UV (maximum) index 6 (High) in July in Chelmsford6
UV (maximum) index 5 (Moderate) in August in Chelmsford5
UV (maximum) index 4 (Moderate) in September in Chelmsford4
UV (maximum) index 2 (Low) in October in Chelmsford2
UV (maximum) index 1 (Low) in November in Chelmsford1
No UV (maximum) index in December in Chelmsford0

Rainfall in Chelmsford

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
17 days with some rainfall in January in Chelmsford17
13 days with some rainfall in February in Chelmsford13
15 days with some rainfall in March in Chelmsford15
14 days with some rainfall in April in Chelmsford14
14 days with some rainfall in May in Chelmsford14
11 days with some rainfall in June in Chelmsford11
11 days with some rainfall in July in Chelmsford11
12 days with some rainfall in August in Chelmsford12
12 days with some rainfall in September in Chelmsford12
13 days with some rainfall in October in Chelmsford13
16 days with some rainfall in November in Chelmsford16
15 days with some rainfall in December in Chelmsford15
Average monthly rainfall (inches)
2.1 inches monthly rainfall in January in Chelmsford2.1
1.4 inches monthly rainfall in February in Chelmsford1.4
1.8 inches monthly rainfall in March in Chelmsford1.8
1.7 inches monthly rainfall in April in Chelmsford1.7
1.8 inches monthly rainfall in May in Chelmsford1.8
2.0 inches monthly rainfall in June in Chelmsford2.0
1.9 inches monthly rainfall in July in Chelmsford1.9
2.0 inches monthly rainfall in August in Chelmsford2.0
2.0 inches monthly rainfall in September in Chelmsford2.0
2.0 inches monthly rainfall in October in Chelmsford2.0
2.2 inches monthly rainfall in November in Chelmsford2.2
2.2 inches monthly rainfall in December in Chelmsford2.2

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Chelmsford by month

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

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The climate guide for England (Chelmsford) 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 Chelmsford?

Chelmsford has a temperate climate with warm summers and some rainfall in all months.

Chelmsford weather in January

Expect daytime maximum temperatures of 43°F in Chelmsford, England in January based on long-term weather averages. There are 2 hours of sunshine per day on average with 17 days with some rainfall and typically 2.1 inches of rainfall in the month.

  • 43°F maximum daytime temperature in January in Chelmsford43
    43°F max day temperature
  • 2 hours of sunshine per day
  • 17 days with some rainfall in January in Chelmsford17
    17 days with some rainfall
  • 34°F minimum night-time temperature in January in Chelmsford34
    34°F min night temperature
  • 8 hours of daylight per day in January in Chelmsford8
    8 hours of daylight per day
  • No heat & humidity in January in Chelmsford0
    No heat & humidity
  • 2.1 inches monthly rainfall in January in Chelmsford2.1
    2.1 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in January in Chelmsford1
    1 (Low) UV index

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Chelmsford weather in February

Expect daytime maximum temperatures of 45°F in Chelmsford, England in February based on long-term weather averages. There are 2 hours of sunshine per day on average with 13 days with some rainfall.

  • 45°F maximum daytime temperature in February in Chelmsford45
    45°F max day temperature
  • 2 hours of sunshine per day
  • 13 days with some rainfall in February in Chelmsford13
    13 days with some rainfall
  • 34°F minimum night-time temperature in February in Chelmsford34
    34°F min night temperature
  • 10 hours of daylight per day in February in Chelmsford10
    10 hours of daylight per day
  • No heat & humidity in February in Chelmsford0
    No heat & humidity
  • 1.4 inches monthly rainfall in February in Chelmsford1.4
    1.4 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in February in Chelmsford1
    1 (Low) UV index

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Chelmsford weather in March

Expect daytime maximum temperatures of 50°F in Chelmsford, England in March based on long-term weather averages. There are 4 hours of sunshine per day on average with 15 days with some rainfall and typically 1.8 inches of rainfall in the month.

  • 50°F maximum daytime temperature in March in Chelmsford50
    50°F max day temperature
  • 4 hours of sunshine per day
  • 15 days with some rainfall in March in Chelmsford15
    15 days with some rainfall
  • 36°F minimum night-time temperature in March in Chelmsford36
    36°F min night temperature
  • 12 hours of daylight per day in March in Chelmsford12
    12 hours of daylight per day
  • No heat & humidity in March in Chelmsford0
    No heat & humidity
  • 1.8 inches monthly rainfall in March in Chelmsford1.8
    1.8 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in March in Chelmsford2
    2 (Low) UV index

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Chelmsford weather in April

Expect daytime maximum temperatures of 54°F in Chelmsford, England in April based on long-term weather averages. There are 5 hours of sunshine per day on average with 14 days with some rainfall and typically 1.7 inches of rainfall in the month.

  • 54°F maximum daytime temperature in April in Chelmsford54
    54°F max day temperature
  • 5 hours of sunshine per day
  • 14 days with some rainfall in April in Chelmsford14
    14 days with some rainfall
  • 39°F minimum night-time temperature in April in Chelmsford39
    39°F min night temperature
  • 14 hours of daylight per day in April in Chelmsford14
    14 hours of daylight per day
  • No heat & humidity in April in Chelmsford0
    No heat & humidity
  • 1.7 inches monthly rainfall in April in Chelmsford1.7
    1.7 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in April in Chelmsford4
    4 (Moderate) UV index

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Chelmsford weather in May

Expect daytime maximum temperatures of 61°F in Chelmsford, England in May based on long-term weather averages. There are 6 hours of sunshine per day on average with 14 days with some rainfall and typically 1.8 inches of rainfall in the month.

  • 61°F maximum daytime temperature in May in Chelmsford61
    61°F max day temperature
  • 6 hours of sunshine per day
  • 14 days with some rainfall in May in Chelmsford14
    14 days with some rainfall
  • 43°F minimum night-time temperature in May in Chelmsford43
    43°F min night temperature
  • 16 hours of daylight per day in May in Chelmsford16
    16 hours of daylight per day
  • No heat & humidity in May in Chelmsford0
    No heat & humidity
  • 1.8 inches monthly rainfall in May in Chelmsford1.8
    1.8 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in May in Chelmsford5
    5 (Moderate) UV index

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Chelmsford weather in June

Expect daytime maximum temperatures of 68°F in Chelmsford, England in June based on long-term weather averages. There are 7 hours of sunshine per day on average with 11 days with some rainfall and typically 2.0 inches of rainfall in the month.

  • 68°F maximum daytime temperature in June in Chelmsford68
    68°F max day temperature
  • 7 hours of sunshine per day
  • 11 days with some rainfall in June in Chelmsford11
    11 days with some rainfall
  • 48°F minimum night-time temperature in June in Chelmsford48
    48°F min night temperature
  • 17 hours of daylight per day in June in Chelmsford17
    17 hours of daylight per day
  • No heat & humidity in June in Chelmsford0
    No heat & humidity
  • 2.0 inches monthly rainfall in June in Chelmsford2.0
    2.0 inches of monthly rainfall
  • UV (maximum) index 6 (High) in June in Chelmsford6
    6 (High) UV index

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Chelmsford weather in July

Expect daytime maximum temperatures of 72°F in Chelmsford, England in July based on long-term weather averages. There are 6 hours of sunshine per day on average with 11 days with some rainfall and typically 1.9 inches of rainfall in the month.

  • 72°F maximum daytime temperature in July in Chelmsford72
    72°F max day temperature
  • 6 hours of sunshine per day
  • 11 days with some rainfall in July in Chelmsford11
    11 days with some rainfall
  • 52°F minimum night-time temperature in July in Chelmsford52
    52°F min night temperature
  • 16 hours of daylight per day in July in Chelmsford16
    16 hours of daylight per day
  • No heat & humidity in July in Chelmsford0
    No heat & humidity
  • 1.9 inches monthly rainfall in July in Chelmsford1.9
    1.9 inches of monthly rainfall
  • UV (maximum) index 6 (High) in July in Chelmsford6
    6 (High) UV index

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Chelmsford weather in August

Expect daytime maximum temperatures of 72°F in Chelmsford, England in August based on long-term weather averages. There are 6 hours of sunshine per day on average with 12 days with some rainfall and typically 2.0 inches of rainfall in the month.

  • 72°F maximum daytime temperature in August in Chelmsford72
    72°F max day temperature
  • 6 hours of sunshine per day
  • 12 days with some rainfall in August in Chelmsford12
    12 days with some rainfall
  • 52°F minimum night-time temperature in August in Chelmsford52
    52°F min night temperature
  • 15 hours of daylight per day in August in Chelmsford15
    15 hours of daylight per day
  • No heat & humidity in August in Chelmsford0
    No heat & humidity
  • 2.0 inches monthly rainfall in August in Chelmsford2.0
    2.0 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in August in Chelmsford5
    5 (Moderate) UV index

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Chelmsford weather in September

Expect daytime maximum temperatures of 66°F in Chelmsford, England in September based on long-term weather averages. There are 5 hours of sunshine per day on average with 12 days with some rainfall and typically 2.0 inches of rainfall in the month.

  • 66°F maximum daytime temperature in September in Chelmsford66
    66°F max day temperature
  • 5 hours of sunshine per day
  • 12 days with some rainfall in September in Chelmsford12
    12 days with some rainfall
  • 50°F minimum night-time temperature in September in Chelmsford50
    50°F min night temperature
  • 13 hours of daylight per day in September in Chelmsford13
    13 hours of daylight per day
  • No heat & humidity in September in Chelmsford0
    No heat & humidity
  • 2.0 inches monthly rainfall in September in Chelmsford2.0
    2.0 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Chelmsford4
    4 (Moderate) UV index

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Chelmsford weather in October

Expect daytime maximum temperatures of 59°F in Chelmsford, England in October based on long-term weather averages. There are 3 hours of sunshine per day on average with 13 days with some rainfall and typically 2.0 inches of rainfall in the month.

  • 59°F maximum daytime temperature in October in Chelmsford59
    59°F max day temperature
  • 3 hours of sunshine per day
  • 13 days with some rainfall in October in Chelmsford13
    13 days with some rainfall
  • 45°F minimum night-time temperature in October in Chelmsford45
    45°F min night temperature
  • 11 hours of daylight per day in October in Chelmsford11
    11 hours of daylight per day
  • No heat & humidity in October in Chelmsford0
    No heat & humidity
  • 2.0 inches monthly rainfall in October in Chelmsford2.0
    2.0 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in October in Chelmsford2
    2 (Low) UV index

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Chelmsford weather in November

Expect daytime maximum temperatures of 50°F in Chelmsford, England in November based on long-term weather averages. There are 2 hours of sunshine per day on average with 16 days with some rainfall and typically 2.2 inches of rainfall in the month.

  • 50°F maximum daytime temperature in November in Chelmsford50
    50°F max day temperature
  • 2 hours of sunshine per day
  • 16 days with some rainfall in November in Chelmsford16
    16 days with some rainfall
  • 37°F minimum night-time temperature in November in Chelmsford37
    37°F min night temperature
  • 9 hours of daylight per day in November in Chelmsford9
    9 hours of daylight per day
  • No heat & humidity in November in Chelmsford0
    No heat & humidity
  • 2.2 inches monthly rainfall in November in Chelmsford2.2
    2.2 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in November in Chelmsford1
    1 (Low) UV index

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Chelmsford weather in December

Expect daytime maximum temperatures of 45°F in Chelmsford, England in December based on long-term weather averages. There is 1 hour of sunshine per day on average with 15 days with some rainfall and typically 2.2 inches of rainfall in the month.

  • 45°F maximum daytime temperature in December in Chelmsford45
    45°F max day temperature
  • 1 hour of sunshine per day
  • 15 days with some rainfall in December in Chelmsford15
    15 days with some rainfall
  • 36°F minimum night-time temperature in December in Chelmsford36
    36°F min night temperature
  • 8 hours of daylight per day in December in Chelmsford8
    8 hours of daylight per day
  • No heat & humidity in December in Chelmsford0
    No heat & humidity
  • 2.2 inches monthly rainfall in December in Chelmsford2.2
    2.2 inches of monthly rainfall
  • No UV (maximum) index in December in Chelmsford0
    No UV (Maximum) Index UV index

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More about Chelmsford

Chelmsford by month

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

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The climate guide for England (Chelmsford) 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 Chelmsford weather with the UK

The weather chart below compares the average monthly maximum daytime temperature for Chelmsford, Essex, England and the UK (London).

Maximum daytime temperature (°F)

Chelmsford, Essex, England
UK (London)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

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