Harlow weather by month

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

Temperature in Harlow (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
7°C maximum daytime temperature in January in Harlow7
7°C maximum daytime temperature in February in Harlow7
10°C maximum daytime temperature in March in Harlow10
13°C maximum daytime temperature in April in Harlow13
16°C maximum daytime temperature in May in Harlow16
20°C maximum daytime temperature in June in Harlow20
22°C maximum daytime temperature in July in Harlow22
22°C maximum daytime temperature in August in Harlow22
19°C maximum daytime temperature in September in Harlow19
15°C maximum daytime temperature in October in Harlow15
10°C maximum daytime temperature in November in Harlow10
8°C maximum daytime temperature in December in Harlow8
Min temperature (night-time)
1°C minimum night-time temperature in January in Harlow1
1°C minimum night-time temperature in February in Harlow1
2°C minimum night-time temperature in March in Harlow2
4°C minimum night-time temperature in April in Harlow4
7°C minimum night-time temperature in May in Harlow7
10°C minimum night-time temperature in June in Harlow10
12°C minimum night-time temperature in July in Harlow12
12°C minimum night-time temperature in August in Harlow12
10°C minimum night-time temperature in September in Harlow10
7°C minimum night-time temperature in October in Harlow7
3°C minimum night-time temperature in November in Harlow3
2°C minimum night-time temperature in December in Harlow2
Heat & Humidity
No heat & humidity in January in Harlow0
No heat & humidity in February in Harlow0
No heat & humidity in March in Harlow0
No heat & humidity in April in Harlow0
No heat & humidity in May in Harlow0
No heat & humidity in June in Harlow0
No heat & humidity in July in Harlow0
No heat & humidity in August in Harlow0
No heat & humidity in September in Harlow0
No heat & humidity in October in Harlow0
No heat & humidity in November in Harlow0
No heat & humidity in December in Harlow0

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

Sunshine & UV index in Harlow

  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 Harlow8
10 hours of daylight per day in February in Harlow10
12 hours of daylight per day in March in Harlow12
14 hours of daylight per day in April in Harlow14
16 hours of daylight per day in May in Harlow16
17 hours of daylight per day in June in Harlow17
16 hours of daylight per day in July in Harlow16
15 hours of daylight per day in August in Harlow15
13 hours of daylight per day in September in Harlow13
11 hours of daylight per day in October in Harlow11
9 hours of daylight per day in November in Harlow9
8 hours of daylight per day in December in Harlow8
UV Index (Maximum)
UV (maximum) index 1 (Low) in January in Harlow1
UV (maximum) index 1 (Low) in February in Harlow1
UV (maximum) index 2 (Low) in March in Harlow2
UV (maximum) index 4 (Moderate) in April in Harlow4
UV (maximum) index 5 (Moderate) in May in Harlow5
UV (maximum) index 6 (High) in June in Harlow6
UV (maximum) index 6 (High) in July in Harlow6
UV (maximum) index 5 (Moderate) in August in Harlow5
UV (maximum) index 4 (Moderate) in September in Harlow4
UV (maximum) index 2 (Low) in October in Harlow2
UV (maximum) index 1 (Low) in November in Harlow1
No UV (maximum) index in December in Harlow0

Rainfall in Harlow

  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 Harlow17
13 days with some rainfall in February in Harlow13
15 days with some rainfall in March in Harlow15
14 days with some rainfall in April in Harlow14
14 days with some rainfall in May in Harlow14
11 days with some rainfall in June in Harlow11
11 days with some rainfall in July in Harlow11
12 days with some rainfall in August in Harlow12
12 days with some rainfall in September in Harlow12
13 days with some rainfall in October in Harlow13
16 days with some rainfall in November in Harlow16
15 days with some rainfall in December in Harlow15
Average monthly rainfall (mm)
55 mm monthly rainfall in January in Harlow55
38 mm monthly rainfall in February in Harlow38
48 mm monthly rainfall in March in Harlow48
47 mm monthly rainfall in April in Harlow47
49 mm monthly rainfall in May in Harlow49
51 mm monthly rainfall in June in Harlow51
51 mm monthly rainfall in July in Harlow51
55 mm monthly rainfall in August in Harlow55
52 mm monthly rainfall in September in Harlow52
56 mm monthly rainfall in October in Harlow56
58 mm monthly rainfall in November in Harlow58
58 mm monthly rainfall in December in Harlow58

More about Harlow

Harlow 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 (Harlow) 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 Harlow?

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

Harlow weather in January

Expect daytime maximum temperatures of 7°C in Harlow, 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 55 mm of rainfall in the month.

  • 7°C maximum daytime temperature in January in Harlow7
    7°C max day temperature
  • 2 hours of sunshine per day
  • 17 days with some rainfall in January in Harlow17
    17 days with some rainfall
  • 1°C minimum night-time temperature in January in Harlow1
    1°C min night temperature
  • 8 hours of daylight per day in January in Harlow8
    8 hours of daylight per day
  • No heat & humidity in January in Harlow0
    No heat & humidity
  • 55 mm monthly rainfall in January in Harlow55
    55 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in January in Harlow1
    1 (Low) UV index

Back to months

Harlow weather in February

Expect daytime maximum temperatures of 7°C in Harlow, 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 Harlow7
    7°C max day temperature
  • 2 hours of sunshine per day
  • 13 days with some rainfall in February in Harlow13
    13 days with some rainfall
  • 1°C minimum night-time temperature in February in Harlow1
    1°C min night temperature
  • 10 hours of daylight per day in February in Harlow10
    10 hours of daylight per day
  • No heat & humidity in February in Harlow0
    No heat & humidity
  • 38 mm monthly rainfall in February in Harlow38
    38 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in February in Harlow1
    1 (Low) UV index

Back to months

Harlow weather in March

Expect daytime maximum temperatures of 10°C in Harlow, 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 48 mm of rainfall in the month.

  • 10°C maximum daytime temperature in March in Harlow10
    10°C max day temperature
  • 3 hours of sunshine per day
  • 15 days with some rainfall in March in Harlow15
    15 days with some rainfall
  • 2°C minimum night-time temperature in March in Harlow2
    2°C min night temperature
  • 12 hours of daylight per day in March in Harlow12
    12 hours of daylight per day
  • No heat & humidity in March in Harlow0
    No heat & humidity
  • 48 mm monthly rainfall in March in Harlow48
    48 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in March in Harlow2
    2 (Low) UV index

Back to months

Harlow weather in April

Expect daytime maximum temperatures of 13°C in Harlow, 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 47 mm of rainfall in the month.

  • 13°C maximum daytime temperature in April in Harlow13
    13°C max day temperature
  • 5 hours of sunshine per day
  • 14 days with some rainfall in April in Harlow14
    14 days with some rainfall
  • 4°C minimum night-time temperature in April in Harlow4
    4°C min night temperature
  • 14 hours of daylight per day in April in Harlow14
    14 hours of daylight per day
  • No heat & humidity in April in Harlow0
    No heat & humidity
  • 47 mm monthly rainfall in April in Harlow47
    47 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in April in Harlow4
    4 (Moderate) UV index

Back to months

Harlow weather in May

Expect daytime maximum temperatures of 16°C in Harlow, 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 49 mm of rainfall in the month.

  • 16°C maximum daytime temperature in May in Harlow16
    16°C max day temperature
  • 6 hours of sunshine per day
  • 14 days with some rainfall in May in Harlow14
    14 days with some rainfall
  • 7°C minimum night-time temperature in May in Harlow7
    7°C min night temperature
  • 16 hours of daylight per day in May in Harlow16
    16 hours of daylight per day
  • No heat & humidity in May in Harlow0
    No heat & humidity
  • 49 mm monthly rainfall in May in Harlow49
    49 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in May in Harlow5
    5 (Moderate) UV index

Back to months

Harlow weather in June

Expect daytime maximum temperatures of 20°C in Harlow, 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 Harlow20
    20°C max day temperature
  • 7 hours of sunshine per day
  • 11 days with some rainfall in June in Harlow11
    11 days with some rainfall
  • 10°C minimum night-time temperature in June in Harlow10
    10°C min night temperature
  • 17 hours of daylight per day in June in Harlow17
    17 hours of daylight per day
  • No heat & humidity in June in Harlow0
    No heat & humidity
  • 51 mm monthly rainfall in June in Harlow51
    51 mm of monthly rainfall
  • UV (maximum) index 6 (High) in June in Harlow6
    6 (High) UV index

Back to months

Harlow weather in July

Expect daytime maximum temperatures of 22°C in Harlow, 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 51 mm of rainfall in the month.

  • 22°C maximum daytime temperature in July in Harlow22
    22°C max day temperature
  • 6 hours of sunshine per day
  • 11 days with some rainfall in July in Harlow11
    11 days with some rainfall
  • 12°C minimum night-time temperature in July in Harlow12
    12°C min night temperature
  • 16 hours of daylight per day in July in Harlow16
    16 hours of daylight per day
  • No heat & humidity in July in Harlow0
    No heat & humidity
  • 51 mm monthly rainfall in July in Harlow51
    51 mm of monthly rainfall
  • UV (maximum) index 6 (High) in July in Harlow6
    6 (High) UV index

Back to months

Harlow weather in August

Expect daytime maximum temperatures of 22°C in Harlow, 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 Harlow22
    22°C max day temperature
  • 6 hours of sunshine per day
  • 12 days with some rainfall in August in Harlow12
    12 days with some rainfall
  • 12°C minimum night-time temperature in August in Harlow12
    12°C min night temperature
  • 15 hours of daylight per day in August in Harlow15
    15 hours of daylight per day
  • No heat & humidity in August in Harlow0
    No heat & humidity
  • 55 mm monthly rainfall in August in Harlow55
    55 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in August in Harlow5
    5 (Moderate) UV index

Back to months

Harlow weather in September

Expect daytime maximum temperatures of 19°C in Harlow, 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 52 mm of rainfall in the month.

  • 19°C maximum daytime temperature in September in Harlow19
    19°C max day temperature
  • 5 hours of sunshine per day
  • 12 days with some rainfall in September in Harlow12
    12 days with some rainfall
  • 10°C minimum night-time temperature in September in Harlow10
    10°C min night temperature
  • 13 hours of daylight per day in September in Harlow13
    13 hours of daylight per day
  • No heat & humidity in September in Harlow0
    No heat & humidity
  • 52 mm monthly rainfall in September in Harlow52
    52 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Harlow4
    4 (Moderate) UV index

Back to months

Harlow weather in October

Expect daytime maximum temperatures of 15°C in Harlow, 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 56 mm of rainfall in the month.

  • 15°C maximum daytime temperature in October in Harlow15
    15°C max day temperature
  • 3 hours of sunshine per day
  • 13 days with some rainfall in October in Harlow13
    13 days with some rainfall
  • 7°C minimum night-time temperature in October in Harlow7
    7°C min night temperature
  • 11 hours of daylight per day in October in Harlow11
    11 hours of daylight per day
  • No heat & humidity in October in Harlow0
    No heat & humidity
  • 56 mm monthly rainfall in October in Harlow56
    56 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in October in Harlow2
    2 (Low) UV index

Back to months

Harlow weather in November

Expect daytime maximum temperatures of 10°C in Harlow, 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 58 mm of rainfall in the month.

  • 10°C maximum daytime temperature in November in Harlow10
    10°C max day temperature
  • 2 hours of sunshine per day
  • 16 days with some rainfall in November in Harlow16
    16 days with some rainfall
  • 3°C minimum night-time temperature in November in Harlow3
    3°C min night temperature
  • 9 hours of daylight per day in November in Harlow9
    9 hours of daylight per day
  • No heat & humidity in November in Harlow0
    No heat & humidity
  • 58 mm monthly rainfall in November in Harlow58
    58 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in November in Harlow1
    1 (Low) UV index

Back to months

Harlow weather in December

Expect daytime maximum temperatures of 8°C in Harlow, 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 58 mm of rainfall in the month.

  • 8°C maximum daytime temperature in December in Harlow8
    8°C max day temperature
  • 1 hour of sunshine per day
  • 15 days with some rainfall in December in Harlow15
    15 days with some rainfall
  • 2°C minimum night-time temperature in December in Harlow2
    2°C min night temperature
  • 8 hours of daylight per day in December in Harlow8
    8 hours of daylight per day
  • No heat & humidity in December in Harlow0
    No heat & humidity
  • 58 mm monthly rainfall in December in Harlow58
    58 mm of monthly rainfall
  • No UV (maximum) index in December in Harlow0
    No UV (Maximum) Index UV index

Back to months

More about Harlow

Harlow 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 (Harlow) 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 Harlow weather with the UK

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

Maximum daytime temperature (°C)

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

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

Compare more weather >>

Back to top

More about England

Related posts

Popular travel offers

Explore holiday destinations

More holidays

Save with latest deals & discounts

More deals

Airport parking

More parking

Airport lounges

More lounges

Top ^