Hertford weather by month

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

Temperature in Hertford (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
7°C maximum daytime temperature in January in Hertford7
7°C maximum daytime temperature in February in Hertford7
10°C maximum daytime temperature in March in Hertford10
13°C maximum daytime temperature in April in Hertford13
16°C maximum daytime temperature in May in Hertford16
20°C maximum daytime temperature in June in Hertford20
22°C maximum daytime temperature in July in Hertford22
22°C maximum daytime temperature in August in Hertford22
19°C maximum daytime temperature in September in Hertford19
15°C maximum daytime temperature in October in Hertford15
10°C maximum daytime temperature in November in Hertford10
7°C maximum daytime temperature in December in Hertford7
Min temperature (night-time)
1°C minimum night-time temperature in January in Hertford1
1°C minimum night-time temperature in February in Hertford1
2°C minimum night-time temperature in March in Hertford2
4°C minimum night-time temperature in April in Hertford4
7°C minimum night-time temperature in May in Hertford7
10°C minimum night-time temperature in June in Hertford10
12°C minimum night-time temperature in July in Hertford12
12°C minimum night-time temperature in August in Hertford12
10°C minimum night-time temperature in September in Hertford10
7°C minimum night-time temperature in October in Hertford7
4°C minimum night-time temperature in November in Hertford4
2°C minimum night-time temperature in December in Hertford2
Heat & Humidity
No heat & humidity in January in Hertford0
No heat & humidity in February in Hertford0
No heat & humidity in March in Hertford0
No heat & humidity in April in Hertford0
No heat & humidity in May in Hertford0
No heat & humidity in June in Hertford0
No heat & humidity in July in Hertford0
No heat & humidity in August in Hertford0
No heat & humidity in September in Hertford0
No heat & humidity in October in Hertford0
No heat & humidity in November in Hertford0
No heat & humidity in December in Hertford0

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

Sunshine & UV index in Hertford

  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 Hertford8
10 hours of daylight per day in February in Hertford10
12 hours of daylight per day in March in Hertford12
14 hours of daylight per day in April in Hertford14
16 hours of daylight per day in May in Hertford16
17 hours of daylight per day in June in Hertford17
16 hours of daylight per day in July in Hertford16
15 hours of daylight per day in August in Hertford15
13 hours of daylight per day in September in Hertford13
11 hours of daylight per day in October in Hertford11
9 hours of daylight per day in November in Hertford9
8 hours of daylight per day in December in Hertford8
UV Index (Maximum)
UV (maximum) index 1 (Low) in January in Hertford1
UV (maximum) index 1 (Low) in February in Hertford1
UV (maximum) index 2 (Low) in March in Hertford2
UV (maximum) index 4 (Moderate) in April in Hertford4
UV (maximum) index 5 (Moderate) in May in Hertford5
UV (maximum) index 6 (High) in June in Hertford6
UV (maximum) index 6 (High) in July in Hertford6
UV (maximum) index 5 (Moderate) in August in Hertford5
UV (maximum) index 4 (Moderate) in September in Hertford4
UV (maximum) index 2 (Low) in October in Hertford2
UV (maximum) index 1 (Low) in November in Hertford1
No UV (maximum) index in December in Hertford0

Rainfall in Hertford

  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 Hertford17
13 days with some rainfall in February in Hertford13
15 days with some rainfall in March in Hertford15
14 days with some rainfall in April in Hertford14
14 days with some rainfall in May in Hertford14
11 days with some rainfall in June in Hertford11
11 days with some rainfall in July in Hertford11
12 days with some rainfall in August in Hertford12
12 days with some rainfall in September in Hertford12
13 days with some rainfall in October in Hertford13
16 days with some rainfall in November in Hertford16
16 days with some rainfall in December in Hertford16
Average monthly rainfall (mm)
59 mm monthly rainfall in January in Hertford59
42 mm monthly rainfall in February in Hertford42
52 mm monthly rainfall in March in Hertford52
50 mm monthly rainfall in April in Hertford50
53 mm monthly rainfall in May in Hertford53
55 mm monthly rainfall in June in Hertford55
50 mm monthly rainfall in July in Hertford50
55 mm monthly rainfall in August in Hertford55
56 mm monthly rainfall in September in Hertford56
60 mm monthly rainfall in October in Hertford60
61 mm monthly rainfall in November in Hertford61
63 mm monthly rainfall in December in Hertford63

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Hertford by month

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

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The climate guide for England (Hertford) 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.

Hertford weather in January

Expect daytime maximum temperatures of 7°C in Hertford, 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 59 mm of rainfall in the month.

  • 7°C maximum daytime temperature in January in Hertford7
    7°C max day temperature
  • 2 hours of sunshine per day
  • 17 days with some rainfall in January in Hertford17
    17 days with some rainfall
  • 1°C minimum night-time temperature in January in Hertford1
    1°C min night temperature
  • 8 hours of daylight per day in January in Hertford8
    8 hours of daylight per day
  • No heat & humidity in January in Hertford0
    No heat & humidity
  • 59 mm monthly rainfall in January in Hertford59
    59 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in January in Hertford1
    1 (Low) UV index

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Hertford weather in February

Expect daytime maximum temperatures of 7°C in Hertford, 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 and typically 42 mm of rainfall in the month.

  • 7°C maximum daytime temperature in February in Hertford7
    7°C max day temperature
  • 2 hours of sunshine per day
  • 13 days with some rainfall in February in Hertford13
    13 days with some rainfall
  • 1°C minimum night-time temperature in February in Hertford1
    1°C min night temperature
  • 10 hours of daylight per day in February in Hertford10
    10 hours of daylight per day
  • No heat & humidity in February in Hertford0
    No heat & humidity
  • 42 mm monthly rainfall in February in Hertford42
    42 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in February in Hertford1
    1 (Low) UV index

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Hertford weather in March

Expect daytime maximum temperatures of 10°C in Hertford, England in March based on long-term weather averages. There are 3 hours of sunshine per day on average with 15 days with some rainfall and typically 52 mm of rainfall in the month.

  • 10°C maximum daytime temperature in March in Hertford10
    10°C max day temperature
  • 3 hours of sunshine per day
  • 15 days with some rainfall in March in Hertford15
    15 days with some rainfall
  • 2°C minimum night-time temperature in March in Hertford2
    2°C min night temperature
  • 12 hours of daylight per day in March in Hertford12
    12 hours of daylight per day
  • No heat & humidity in March in Hertford0
    No heat & humidity
  • 52 mm monthly rainfall in March in Hertford52
    52 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in March in Hertford2
    2 (Low) UV index

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Hertford weather in April

Expect daytime maximum temperatures of 13°C in Hertford, 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 50 mm of rainfall in the month.

  • 13°C maximum daytime temperature in April in Hertford13
    13°C max day temperature
  • 5 hours of sunshine per day
  • 14 days with some rainfall in April in Hertford14
    14 days with some rainfall
  • 4°C minimum night-time temperature in April in Hertford4
    4°C min night temperature
  • 14 hours of daylight per day in April in Hertford14
    14 hours of daylight per day
  • No heat & humidity in April in Hertford0
    No heat & humidity
  • 50 mm monthly rainfall in April in Hertford50
    50 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in April in Hertford4
    4 (Moderate) UV index

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Hertford weather in May

Expect daytime maximum temperatures of 16°C in Hertford, 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 53 mm of rainfall in the month.

  • 16°C maximum daytime temperature in May in Hertford16
    16°C max day temperature
  • 6 hours of sunshine per day
  • 14 days with some rainfall in May in Hertford14
    14 days with some rainfall
  • 7°C minimum night-time temperature in May in Hertford7
    7°C min night temperature
  • 16 hours of daylight per day in May in Hertford16
    16 hours of daylight per day
  • No heat & humidity in May in Hertford0
    No heat & humidity
  • 53 mm monthly rainfall in May in Hertford53
    53 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in May in Hertford5
    5 (Moderate) UV index

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Hertford weather in June

Expect daytime maximum temperatures of 20°C in Hertford, 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 55 mm of rainfall in the month.

  • 20°C maximum daytime temperature in June in Hertford20
    20°C max day temperature
  • 7 hours of sunshine per day
  • 11 days with some rainfall in June in Hertford11
    11 days with some rainfall
  • 10°C minimum night-time temperature in June in Hertford10
    10°C min night temperature
  • 17 hours of daylight per day in June in Hertford17
    17 hours of daylight per day
  • No heat & humidity in June in Hertford0
    No heat & humidity
  • 55 mm monthly rainfall in June in Hertford55
    55 mm of monthly rainfall
  • UV (maximum) index 6 (High) in June in Hertford6
    6 (High) UV index

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Hertford weather in July

Expect daytime maximum temperatures of 22°C in Hertford, 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 50 mm of rainfall in the month.

  • 22°C maximum daytime temperature in July in Hertford22
    22°C max day temperature
  • 6 hours of sunshine per day
  • 11 days with some rainfall in July in Hertford11
    11 days with some rainfall
  • 12°C minimum night-time temperature in July in Hertford12
    12°C min night temperature
  • 16 hours of daylight per day in July in Hertford16
    16 hours of daylight per day
  • No heat & humidity in July in Hertford0
    No heat & humidity
  • 50 mm monthly rainfall in July in Hertford50
    50 mm of monthly rainfall
  • UV (maximum) index 6 (High) in July in Hertford6
    6 (High) UV index

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Hertford weather in August

Expect daytime maximum temperatures of 22°C in Hertford, 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 55 mm of rainfall in the month.

  • 22°C maximum daytime temperature in August in Hertford22
    22°C max day temperature
  • 6 hours of sunshine per day
  • 12 days with some rainfall in August in Hertford12
    12 days with some rainfall
  • 12°C minimum night-time temperature in August in Hertford12
    12°C min night temperature
  • 15 hours of daylight per day in August in Hertford15
    15 hours of daylight per day
  • No heat & humidity in August in Hertford0
    No heat & humidity
  • 55 mm monthly rainfall in August in Hertford55
    55 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in August in Hertford5
    5 (Moderate) UV index

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Hertford weather in September

Expect daytime maximum temperatures of 19°C in Hertford, 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 56 mm of rainfall in the month.

  • 19°C maximum daytime temperature in September in Hertford19
    19°C max day temperature
  • 5 hours of sunshine per day
  • 12 days with some rainfall in September in Hertford12
    12 days with some rainfall
  • 10°C minimum night-time temperature in September in Hertford10
    10°C min night temperature
  • 13 hours of daylight per day in September in Hertford13
    13 hours of daylight per day
  • No heat & humidity in September in Hertford0
    No heat & humidity
  • 56 mm monthly rainfall in September in Hertford56
    56 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Hertford4
    4 (Moderate) UV index

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Hertford weather in October

Expect daytime maximum temperatures of 15°C in Hertford, 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 60 mm of rainfall in the month.

  • 15°C maximum daytime temperature in October in Hertford15
    15°C max day temperature
  • 3 hours of sunshine per day
  • 13 days with some rainfall in October in Hertford13
    13 days with some rainfall
  • 7°C minimum night-time temperature in October in Hertford7
    7°C min night temperature
  • 11 hours of daylight per day in October in Hertford11
    11 hours of daylight per day
  • No heat & humidity in October in Hertford0
    No heat & humidity
  • 60 mm monthly rainfall in October in Hertford60
    60 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in October in Hertford2
    2 (Low) UV index

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Hertford weather in November

Expect daytime maximum temperatures of 10°C in Hertford, 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 61 mm of rainfall in the month.

  • 10°C maximum daytime temperature in November in Hertford10
    10°C max day temperature
  • 2 hours of sunshine per day
  • 16 days with some rainfall in November in Hertford16
    16 days with some rainfall
  • 4°C minimum night-time temperature in November in Hertford4
    4°C min night temperature
  • 9 hours of daylight per day in November in Hertford9
    9 hours of daylight per day
  • No heat & humidity in November in Hertford0
    No heat & humidity
  • 61 mm monthly rainfall in November in Hertford61
    61 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in November in Hertford1
    1 (Low) UV index

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Hertford weather in December

Expect daytime maximum temperatures of 7°C in Hertford, England in December based on long-term weather averages. There are 2 hours of sunshine per day on average with 16 days with some rainfall and typically 63 mm of rainfall in the month.

  • 7°C maximum daytime temperature in December in Hertford7
    7°C max day temperature
  • 2 hours of sunshine per day
  • 16 days with some rainfall in December in Hertford16
    16 days with some rainfall
  • 2°C minimum night-time temperature in December in Hertford2
    2°C min night temperature
  • 8 hours of daylight per day in December in Hertford8
    8 hours of daylight per day
  • No heat & humidity in December in Hertford0
    No heat & humidity
  • 63 mm monthly rainfall in December in Hertford63
    63 mm of monthly rainfall
  • No UV (maximum) index in December in Hertford0
    No UV (Maximum) Index UV index

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More about Hertford

Hertford by month

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

Recommended for England

  • Save 8% on spa breaks, spa days & gift vouchers
  • Check out latest offers on over 550 spas across the UK
  • A guaranteed experience to suit your budget & occasion
Show discount codeShow discount code ******SB8

Expires at 23:59 on Thursday 31st Dec 2026 · View all Spabreaks.com offers

Spabreaks.comSpa break finder

The climate guide for England (Hertford) 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.

More about England

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