West Harrow weather

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

West Harrow weather averages

Check the West Harrow 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 West Harrow, 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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West Harrow weather by month

Check the weather for West Harrow, 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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West Harrow weather in January

The average maximum daytime temperature in West Harrow 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 West Harrow during January.

  • 7°C maximum daytime temperature in January in West Harrow7
    7°C max day temperature
  • 2 hours of sunshine per day in January in West Harrow2
    2 hours of sunshine per day
  • 17 days with some rainfall in January in West Harrow17
    17 days with some rainfall
  • 1°C minimum night-time temperature in January in West Harrow1
    1°C min night temperature
  • 65 mm monthly rainfall in January in West Harrow65
    65 mm of monthly rainfall

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

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West Harrow weather in February

The average maximum daytime temperature in West Harrow 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 West Harrow during February.

  • 7°C maximum daytime temperature in February in West Harrow7
    7°C max day temperature
  • 2 hours of sunshine per day in February in West Harrow2
    2 hours of sunshine per day
  • 13 days with some rainfall in February in West Harrow13
    13 days with some rainfall
  • 1°C minimum night-time temperature in February in West Harrow1
    1°C min night temperature
  • 43 mm monthly rainfall in February in West Harrow43
    43 mm of monthly rainfall

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

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West Harrow weather in March

The average maximum daytime temperature in West Harrow 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 West Harrow during March.

  • 10°C maximum daytime temperature in March in West Harrow10
    10°C max day temperature
  • 4 hours of sunshine per day in March in West Harrow4
    4 hours of sunshine per day
  • 15 days with some rainfall in March in West Harrow15
    15 days with some rainfall
  • 3°C minimum night-time temperature in March in West Harrow3
    3°C min night temperature
  • 52 mm monthly rainfall in March in West Harrow52
    52 mm of monthly rainfall

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

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West Harrow weather in April

The average maximum daytime temperature in West Harrow 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 West Harrow during April.

  • 12°C maximum daytime temperature in April in West Harrow12
    12°C max day temperature
  • 5 hours of sunshine per day in April in West Harrow5
    5 hours of sunshine per day
  • 13 days with some rainfall in April in West Harrow13
    13 days with some rainfall
  • 4°C minimum night-time temperature in April in West Harrow4
    4°C min night temperature
  • 51 mm monthly rainfall in April in West Harrow51
    51 mm of monthly rainfall

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

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West Harrow weather in May

The average maximum daytime temperature in West Harrow 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 West Harrow during May.

  • 16°C maximum daytime temperature in May in West Harrow16
    16°C max day temperature
  • 6 hours of sunshine per day in May in West Harrow6
    6 hours of sunshine per day
  • 13 days with some rainfall in May in West Harrow13
    13 days with some rainfall
  • 7°C minimum night-time temperature in May in West Harrow7
    7°C min night temperature
  • 50 mm monthly rainfall in May in West Harrow50
    50 mm of monthly rainfall

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

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West Harrow weather in June

The average maximum daytime temperature in West Harrow 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 West Harrow during June.

  • 19°C maximum daytime temperature in June in West Harrow19
    19°C max day temperature
  • 7 hours of sunshine per day in June in West Harrow7
    7 hours of sunshine per day
  • 12 days with some rainfall in June in West Harrow12
    12 days with some rainfall
  • 10°C minimum night-time temperature in June in West Harrow10
    10°C min night temperature
  • 60 mm monthly rainfall in June in West Harrow60
    60 mm of monthly rainfall

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

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West Harrow weather in July

The average maximum daytime temperature in West Harrow 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 West Harrow during July.

  • 22°C maximum daytime temperature in July in West Harrow22
    22°C max day temperature
  • 6 hours of sunshine per day in July in West Harrow6
    6 hours of sunshine per day
  • 11 days with some rainfall in July in West Harrow11
    11 days with some rainfall
  • 12°C minimum night-time temperature in July in West Harrow12
    12°C min night temperature
  • 44 mm monthly rainfall in July in West Harrow44
    44 mm of monthly rainfall

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

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West Harrow weather in August

The average maximum daytime temperature in West Harrow 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 West Harrow during August.

  • 22°C maximum daytime temperature in August in West Harrow22
    22°C max day temperature
  • 6 hours of sunshine per day in August in West Harrow6
    6 hours of sunshine per day
  • 11 days with some rainfall in August in West Harrow11
    11 days with some rainfall
  • 12°C minimum night-time temperature in August in West Harrow12
    12°C min night temperature
  • 52 mm monthly rainfall in August in West Harrow52
    52 mm of monthly rainfall

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

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West Harrow weather in September

The average maximum daytime temperature in West Harrow 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 West Harrow during September.

  • 18°C maximum daytime temperature in September in West Harrow18
    18°C max day temperature
  • 5 hours of sunshine per day in September in West Harrow5
    5 hours of sunshine per day
  • 12 days with some rainfall in September in West Harrow12
    12 days with some rainfall
  • 10°C minimum night-time temperature in September in West Harrow10
    10°C min night temperature
  • 62 mm monthly rainfall in September in West Harrow62
    62 mm of monthly rainfall

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

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West Harrow weather in October

The average maximum daytime temperature in West Harrow 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 West Harrow during October.

  • 14°C maximum daytime temperature in October in West Harrow14
    14°C max day temperature
  • 3 hours of sunshine per day in October in West Harrow3
    3 hours of sunshine per day
  • 14 days with some rainfall in October in West Harrow14
    14 days with some rainfall
  • 7°C minimum night-time temperature in October in West Harrow7
    7°C min night temperature
  • 70 mm monthly rainfall in October in West Harrow70
    70 mm of monthly rainfall

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

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West Harrow weather in November

The average maximum daytime temperature in West Harrow 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 West Harrow during November.

  • 10°C maximum daytime temperature in November in West Harrow10
    10°C max day temperature
  • 2 hours of sunshine per day in November in West Harrow2
    2 hours of sunshine per day
  • 15 days with some rainfall in November in West Harrow15
    15 days with some rainfall
  • 4°C minimum night-time temperature in November in West Harrow4
    4°C min night temperature
  • 63 mm monthly rainfall in November in West Harrow63
    63 mm of monthly rainfall

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

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West Harrow weather in December

The average maximum daytime temperature in West Harrow 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 West Harrow during December.

  • 7°C maximum daytime temperature in December in West Harrow7
    7°C max day temperature
  • 2 hours of sunshine per day in December in West Harrow2
    2 hours of sunshine per day
  • 15 days with some rainfall in December in West Harrow15
    15 days with some rainfall
  • 2°C minimum night-time temperature in December in West Harrow2
    2°C min night temperature
  • 67 mm monthly rainfall in December in West Harrow67
    67 mm of monthly rainfall

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

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