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 (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
6°C maximum daytime temperature in January in Chelmsford6
7°C maximum daytime temperature in February in Chelmsford7
10°C maximum daytime temperature in March in Chelmsford10
12°C maximum daytime temperature in April in Chelmsford12
16°C maximum daytime temperature in May in Chelmsford16
20°C maximum daytime temperature in June in Chelmsford20
22°C maximum daytime temperature in July in Chelmsford22
22°C maximum daytime temperature in August in Chelmsford22
19°C maximum daytime temperature in September in Chelmsford19
15°C maximum daytime temperature in October in Chelmsford15
10°C maximum daytime temperature in November in Chelmsford10
7°C maximum daytime temperature in December in Chelmsford7
Min temperature (night-time)
1°C minimum night-time temperature in January in Chelmsford1
1°C minimum night-time temperature in February in Chelmsford1
2°C minimum night-time temperature in March in Chelmsford2
4°C minimum night-time temperature in April in Chelmsford4
6°C minimum night-time temperature in May in Chelmsford6
9°C minimum night-time temperature in June in Chelmsford9
11°C minimum night-time temperature in July in Chelmsford11
11°C minimum night-time temperature in August in Chelmsford11
10°C minimum night-time temperature in September in Chelmsford10
7°C minimum night-time temperature in October in Chelmsford7
3°C minimum night-time temperature in November in Chelmsford3
2°C minimum night-time temperature in December in Chelmsford2
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 (mm)
53 mm monthly rainfall in January in Chelmsford53
36 mm monthly rainfall in February in Chelmsford36
46 mm monthly rainfall in March in Chelmsford46
44 mm monthly rainfall in April in Chelmsford44
46 mm monthly rainfall in May in Chelmsford46
51 mm monthly rainfall in June in Chelmsford51
47 mm monthly rainfall in July in Chelmsford47
51 mm monthly rainfall in August in Chelmsford51
50 mm monthly rainfall in September in Chelmsford50
52 mm monthly rainfall in October in Chelmsford52
57 mm monthly rainfall in November in Chelmsford57
55 mm monthly rainfall in December in Chelmsford55

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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 6°C 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 53 mm of rainfall in the month.

  • 6°C maximum daytime temperature in January in Chelmsford6
    6°C max day temperature
  • 2 hours of sunshine per day
  • 17 days with some rainfall in January in Chelmsford17
    17 days with some rainfall
  • 1°C minimum night-time temperature in January in Chelmsford1
    1°C 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
  • 53 mm monthly rainfall in January in Chelmsford53
    53 mm 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 7°C 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.

  • 7°C maximum daytime temperature in February in Chelmsford7
    7°C max day temperature
  • 2 hours of sunshine per day
  • 13 days with some rainfall in February in Chelmsford13
    13 days with some rainfall
  • 1°C minimum night-time temperature in February in Chelmsford1
    1°C 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
  • 36 mm monthly rainfall in February in Chelmsford36
    36 mm 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 10°C 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 46 mm of rainfall in the month.

  • 10°C maximum daytime temperature in March in Chelmsford10
    10°C max day temperature
  • 4 hours of sunshine per day
  • 15 days with some rainfall in March in Chelmsford15
    15 days with some rainfall
  • 2°C minimum night-time temperature in March in Chelmsford2
    2°C 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
  • 46 mm monthly rainfall in March in Chelmsford46
    46 mm 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 12°C 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 44 mm of rainfall in the month.

  • 12°C maximum daytime temperature in April in Chelmsford12
    12°C max day temperature
  • 5 hours of sunshine per day
  • 14 days with some rainfall in April in Chelmsford14
    14 days with some rainfall
  • 4°C minimum night-time temperature in April in Chelmsford4
    4°C 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
  • 44 mm monthly rainfall in April in Chelmsford44
    44 mm 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 16°C 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 46 mm of rainfall in the month.

  • 16°C maximum daytime temperature in May in Chelmsford16
    16°C max day temperature
  • 6 hours of sunshine per day
  • 14 days with some rainfall in May in Chelmsford14
    14 days with some rainfall
  • 6°C minimum night-time temperature in May in Chelmsford6
    6°C 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
  • 46 mm monthly rainfall in May in Chelmsford46
    46 mm 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 20°C 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 51 mm of rainfall in the month.

  • 20°C maximum daytime temperature in June in Chelmsford20
    20°C max day temperature
  • 7 hours of sunshine per day
  • 11 days with some rainfall in June in Chelmsford11
    11 days with some rainfall
  • 9°C minimum night-time temperature in June in Chelmsford9
    9°C 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
  • 51 mm monthly rainfall in June in Chelmsford51
    51 mm 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 22°C 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 47 mm of rainfall in the month.

  • 22°C maximum daytime temperature in July in Chelmsford22
    22°C max day temperature
  • 6 hours of sunshine per day
  • 11 days with some rainfall in July in Chelmsford11
    11 days with some rainfall
  • 11°C minimum night-time temperature in July in Chelmsford11
    11°C 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
  • 47 mm monthly rainfall in July in Chelmsford47
    47 mm 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 22°C 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 51 mm of rainfall in the month.

  • 22°C maximum daytime temperature in August in Chelmsford22
    22°C max day temperature
  • 6 hours of sunshine per day
  • 12 days with some rainfall in August in Chelmsford12
    12 days with some rainfall
  • 11°C minimum night-time temperature in August in Chelmsford11
    11°C 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
  • 51 mm monthly rainfall in August in Chelmsford51
    51 mm 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 19°C 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 50 mm of rainfall in the month.

  • 19°C maximum daytime temperature in September in Chelmsford19
    19°C max day temperature
  • 5 hours of sunshine per day
  • 12 days with some rainfall in September in Chelmsford12
    12 days with some rainfall
  • 10°C minimum night-time temperature in September in Chelmsford10
    10°C 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
  • 50 mm monthly rainfall in September in Chelmsford50
    50 mm 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 15°C 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 52 mm of rainfall in the month.

  • 15°C maximum daytime temperature in October in Chelmsford15
    15°C max day temperature
  • 3 hours of sunshine per day
  • 13 days with some rainfall in October in Chelmsford13
    13 days with some rainfall
  • 7°C minimum night-time temperature in October in Chelmsford7
    7°C 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
  • 52 mm monthly rainfall in October in Chelmsford52
    52 mm 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 10°C 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 57 mm of rainfall in the month.

  • 10°C maximum daytime temperature in November in Chelmsford10
    10°C max day temperature
  • 2 hours of sunshine per day
  • 16 days with some rainfall in November in Chelmsford16
    16 days with some rainfall
  • 3°C minimum night-time temperature in November in Chelmsford3
    3°C 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
  • 57 mm monthly rainfall in November in Chelmsford57
    57 mm 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 7°C 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 55 mm of rainfall in the month.

  • 7°C maximum daytime temperature in December in Chelmsford7
    7°C max day temperature
  • 1 hour of sunshine per day
  • 15 days with some rainfall in December in Chelmsford15
    15 days with some rainfall
  • 2°C minimum night-time temperature in December in Chelmsford2
    2°C 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
  • 55 mm monthly rainfall in December in Chelmsford55
    55 mm 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 (°C)

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

Metric (°C / mm)  |  Imperial (°F / inches)

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