Harrow Weald weather

The Harrow Weald weather guide shows monthly weather averages (including daytime and night-time temperatures, rainfall and hours of sunshine) for Harrow Weald, Greater London, England.

Harrow Weald weather averages

Check the Harrow Weald weather averages for each month of the year including maximum daytime and minimum night-time temperatures, monthly rainfall, number of days with rain and average daily hours of sunshine for Harrow Weald, Greater London, England.

Max Day Temperature (°C)

Hours of Sunshine (daily)

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

Days with some Rainfall

Min Night Temperature (°C)

Monthly Rainfall (mm)

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Harrow Weald weather by month

Check the weather for Harrow Weald, Greater London, England for a particular month by selecting from the list below. This gives the best indication of what to expect from the weather months in advance.

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Harrow Weald weather in January

The average maximum daytime temperature in Harrow Weald in January is a cold 7°C (45°F), while the average minimum night-time temperature is a cold 1°C (34°F). You can expect on average 2 hours of sunshine a day in Harrow Weald during January.

  • 7°C maximum daytime temperature in January in Harrow Weald7
    7°C max day temperature
  • 2 hours of sunshine per day in January in Harrow Weald2
    2 hours of sunshine per day
  • 17 days with some rainfall in January in Harrow Weald17
    17 days with some rainfall
  • 1°C minimum night-time temperature in January in Harrow Weald1
    1°C min night temperature
  • 65 mm monthly rainfall in January in Harrow Weald65
    65 mm of monthly rainfall

On average 65 mm (2.6 inches) of rain normally falls in Harrow Weald during January with rain falling on 17 days of the month.

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Harrow Weald weather in February

The average maximum daytime temperature in Harrow Weald in February is a cold 7°C (45°F), while the average minimum night-time temperature is a cold 1°C (34°F). You can expect on average 2 hours of sunshine a day in Harrow Weald during February.

  • 7°C maximum daytime temperature in February in Harrow Weald7
    7°C max day temperature
  • 2 hours of sunshine per day in February in Harrow Weald2
    2 hours of sunshine per day
  • 13 days with some rainfall in February in Harrow Weald13
    13 days with some rainfall
  • 1°C minimum night-time temperature in February in Harrow Weald1
    1°C min night temperature
  • 43 mm monthly rainfall in February in Harrow Weald43
    43 mm of monthly rainfall

On average 43 mm (1.7 inches) of rain normally falls in Harrow Weald during February with rain falling on 13 days of the month.

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Harrow Weald weather in March

The average maximum daytime temperature in Harrow Weald in March is a cool 10°C (50°F), while the average minimum night-time temperature is a cold 3°C (37°F). You can expect on average 4 hours of sunshine a day in Harrow Weald during March.

  • 10°C maximum daytime temperature in March in Harrow Weald10
    10°C max day temperature
  • 4 hours of sunshine per day in March in Harrow Weald4
    4 hours of sunshine per day
  • 15 days with some rainfall in March in Harrow Weald15
    15 days with some rainfall
  • 3°C minimum night-time temperature in March in Harrow Weald3
    3°C min night temperature
  • 52 mm monthly rainfall in March in Harrow Weald52
    52 mm of monthly rainfall

On average 52 mm (2 inches) of rain normally falls in Harrow Weald during March with rain falling on 15 days of the month.

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Harrow Weald weather in April

The average maximum daytime temperature in Harrow Weald in April is a cool 12°C (54°F), while the average minimum night-time temperature is a cold 4°C (39°F). You can expect on average 5 hours of sunshine a day in Harrow Weald during April.

  • 12°C maximum daytime temperature in April in Harrow Weald12
    12°C max day temperature
  • 5 hours of sunshine per day in April in Harrow Weald5
    5 hours of sunshine per day
  • 13 days with some rainfall in April in Harrow Weald13
    13 days with some rainfall
  • 4°C minimum night-time temperature in April in Harrow Weald4
    4°C min night temperature
  • 51 mm monthly rainfall in April in Harrow Weald51
    51 mm of monthly rainfall

On average 51 mm (2 inches) of rain normally falls in Harrow Weald during April with rain falling on 13 days of the month.

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Harrow Weald weather in May

The average maximum daytime temperature in Harrow Weald in May is a comfortable 16°C (61°F), while the average minimum night-time temperature is a cold 7°C (45°F). You can expect on average 6 hours of sunshine a day in Harrow Weald during May.

  • 16°C maximum daytime temperature in May in Harrow Weald16
    16°C max day temperature
  • 6 hours of sunshine per day in May in Harrow Weald6
    6 hours of sunshine per day
  • 13 days with some rainfall in May in Harrow Weald13
    13 days with some rainfall
  • 7°C minimum night-time temperature in May in Harrow Weald7
    7°C min night temperature
  • 50 mm monthly rainfall in May in Harrow Weald50
    50 mm of monthly rainfall

On average 50 mm (2 inches) of rain normally falls in Harrow Weald during May with rain falling on 13 days of the month.

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Harrow Weald weather in June

The average maximum daytime temperature in Harrow Weald in June is a comfortable 19°C (66°F), while the average minimum night-time temperature is a cool 10°C (50°F). You can expect on average 7 hours of sunshine a day in Harrow Weald during June.

  • 19°C maximum daytime temperature in June in Harrow Weald19
    19°C max day temperature
  • 7 hours of sunshine per day in June in Harrow Weald7
    7 hours of sunshine per day
  • 12 days with some rainfall in June in Harrow Weald12
    12 days with some rainfall
  • 10°C minimum night-time temperature in June in Harrow Weald10
    10°C min night temperature
  • 60 mm monthly rainfall in June in Harrow Weald60
    60 mm of monthly rainfall

On average 60 mm (2.4 inches) of rain normally falls in Harrow Weald during June with rain falling on 12 days of the month.

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Harrow Weald weather in July

The average maximum daytime temperature in Harrow Weald in July is a warm 22°C (72°F), while the average minimum night-time temperature is a cool 12°C (54°F). You can expect on average 6 hours of sunshine a day in Harrow Weald during July.

  • 22°C maximum daytime temperature in July in Harrow Weald22
    22°C max day temperature
  • 6 hours of sunshine per day in July in Harrow Weald6
    6 hours of sunshine per day
  • 11 days with some rainfall in July in Harrow Weald11
    11 days with some rainfall
  • 12°C minimum night-time temperature in July in Harrow Weald12
    12°C min night temperature
  • 44 mm monthly rainfall in July in Harrow Weald44
    44 mm of monthly rainfall

On average 44 mm (1.7 inches) of rain normally falls in Harrow Weald during July with rain falling on 11 days of the month.

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Harrow Weald weather in August

The average maximum daytime temperature in Harrow Weald in August is a warm 22°C (72°F), while the average minimum night-time temperature is a cool 12°C (54°F). You can expect on average 6 hours of sunshine a day in Harrow Weald during August.

  • 22°C maximum daytime temperature in August in Harrow Weald22
    22°C max day temperature
  • 6 hours of sunshine per day in August in Harrow Weald6
    6 hours of sunshine per day
  • 11 days with some rainfall in August in Harrow Weald11
    11 days with some rainfall
  • 12°C minimum night-time temperature in August in Harrow Weald12
    12°C min night temperature
  • 52 mm monthly rainfall in August in Harrow Weald52
    52 mm of monthly rainfall

On average 52 mm (2 inches) of rain normally falls in Harrow Weald during August with rain falling on 11 days of the month.

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Harrow Weald weather in September

The average maximum daytime temperature in Harrow Weald in September is a comfortable 18°C (64°F), while the average minimum night-time temperature is a cool 10°C (50°F). You can expect on average 5 hours of sunshine a day in Harrow Weald during September.

  • 18°C maximum daytime temperature in September in Harrow Weald18
    18°C max day temperature
  • 5 hours of sunshine per day in September in Harrow Weald5
    5 hours of sunshine per day
  • 12 days with some rainfall in September in Harrow Weald12
    12 days with some rainfall
  • 10°C minimum night-time temperature in September in Harrow Weald10
    10°C min night temperature
  • 62 mm monthly rainfall in September in Harrow Weald62
    62 mm of monthly rainfall

On average 62 mm (2.4 inches) of rain normally falls in Harrow Weald during September with rain falling on 12 days of the month.

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Harrow Weald weather in October

The average maximum daytime temperature in Harrow Weald in October is a comfortable 14°C (57°F), while the average minimum night-time temperature is a cold 7°C (45°F). You can expect on average 3 hours of sunshine a day in Harrow Weald during October.

  • 14°C maximum daytime temperature in October in Harrow Weald14
    14°C max day temperature
  • 3 hours of sunshine per day in October in Harrow Weald3
    3 hours of sunshine per day
  • 14 days with some rainfall in October in Harrow Weald14
    14 days with some rainfall
  • 7°C minimum night-time temperature in October in Harrow Weald7
    7°C min night temperature
  • 70 mm monthly rainfall in October in Harrow Weald70
    70 mm of monthly rainfall

On average 70 mm (2.8 inches) of rain normally falls in Harrow Weald during October with rain falling on 14 days of the month.

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Harrow Weald weather in November

The average maximum daytime temperature in Harrow Weald in November is a cool 10°C (50°F), while the average minimum night-time temperature is a cold 4°C (39°F). You can expect on average 2 hours of sunshine a day in Harrow Weald during November.

  • 10°C maximum daytime temperature in November in Harrow Weald10
    10°C max day temperature
  • 2 hours of sunshine per day in November in Harrow Weald2
    2 hours of sunshine per day
  • 15 days with some rainfall in November in Harrow Weald15
    15 days with some rainfall
  • 4°C minimum night-time temperature in November in Harrow Weald4
    4°C min night temperature
  • 63 mm monthly rainfall in November in Harrow Weald63
    63 mm of monthly rainfall

On average 63 mm (2.5 inches) of rain normally falls in Harrow Weald during November with rain falling on 15 days of the month.

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Harrow Weald weather in December

The average maximum daytime temperature in Harrow Weald in December is a cold 7°C (45°F), while the average minimum night-time temperature is a cold 2°C (36°F). You can expect on average 2 hours of sunshine a day in Harrow Weald during December.

  • 7°C maximum daytime temperature in December in Harrow Weald7
    7°C max day temperature
  • 2 hours of sunshine per day in December in Harrow Weald2
    2 hours of sunshine per day
  • 15 days with some rainfall in December in Harrow Weald15
    15 days with some rainfall
  • 2°C minimum night-time temperature in December in Harrow Weald2
    2°C min night temperature
  • 67 mm monthly rainfall in December in Harrow Weald67
    67 mm of monthly rainfall

On average 67 mm (2.6 inches) of rain normally falls in Harrow Weald during December with rain falling on 15 days of the month.

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