Hillingdon weather

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

Hillingdon weather averages

Check the Hillingdon 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 Hillingdon, 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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Hillingdon weather by month

Check the weather for Hillingdon, 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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Hillingdon weather in January

The average maximum daytime temperature in Hillingdon 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 Hillingdon during January.

  • 7°C maximum daytime temperature in January in Hillingdon7
    7°C max day temperature
  • 2 hours of sunshine per day in January in Hillingdon2
    2 hours of sunshine per day
  • 17 days with some rainfall in January in Hillingdon17
    17 days with some rainfall
  • 1°C minimum night-time temperature in January in Hillingdon1
    1°C min night temperature
  • 65 mm monthly rainfall in January in Hillingdon65
    65 mm of monthly rainfall

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

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Hillingdon weather in February

The average maximum daytime temperature in Hillingdon 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 Hillingdon during February.

  • 7°C maximum daytime temperature in February in Hillingdon7
    7°C max day temperature
  • 2 hours of sunshine per day in February in Hillingdon2
    2 hours of sunshine per day
  • 13 days with some rainfall in February in Hillingdon13
    13 days with some rainfall
  • 1°C minimum night-time temperature in February in Hillingdon1
    1°C min night temperature
  • 43 mm monthly rainfall in February in Hillingdon43
    43 mm of monthly rainfall

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

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Hillingdon weather in March

The average maximum daytime temperature in Hillingdon 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 Hillingdon during March.

  • 10°C maximum daytime temperature in March in Hillingdon10
    10°C max day temperature
  • 4 hours of sunshine per day in March in Hillingdon4
    4 hours of sunshine per day
  • 15 days with some rainfall in March in Hillingdon15
    15 days with some rainfall
  • 3°C minimum night-time temperature in March in Hillingdon3
    3°C min night temperature
  • 52 mm monthly rainfall in March in Hillingdon52
    52 mm of monthly rainfall

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

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Hillingdon weather in April

The average maximum daytime temperature in Hillingdon 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 Hillingdon during April.

  • 12°C maximum daytime temperature in April in Hillingdon12
    12°C max day temperature
  • 5 hours of sunshine per day in April in Hillingdon5
    5 hours of sunshine per day
  • 13 days with some rainfall in April in Hillingdon13
    13 days with some rainfall
  • 4°C minimum night-time temperature in April in Hillingdon4
    4°C min night temperature
  • 51 mm monthly rainfall in April in Hillingdon51
    51 mm of monthly rainfall

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

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Hillingdon weather in May

The average maximum daytime temperature in Hillingdon 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 Hillingdon during May.

  • 16°C maximum daytime temperature in May in Hillingdon16
    16°C max day temperature
  • 6 hours of sunshine per day in May in Hillingdon6
    6 hours of sunshine per day
  • 13 days with some rainfall in May in Hillingdon13
    13 days with some rainfall
  • 7°C minimum night-time temperature in May in Hillingdon7
    7°C min night temperature
  • 50 mm monthly rainfall in May in Hillingdon50
    50 mm of monthly rainfall

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

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Hillingdon weather in June

The average maximum daytime temperature in Hillingdon 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 Hillingdon during June.

  • 19°C maximum daytime temperature in June in Hillingdon19
    19°C max day temperature
  • 7 hours of sunshine per day in June in Hillingdon7
    7 hours of sunshine per day
  • 12 days with some rainfall in June in Hillingdon12
    12 days with some rainfall
  • 10°C minimum night-time temperature in June in Hillingdon10
    10°C min night temperature
  • 60 mm monthly rainfall in June in Hillingdon60
    60 mm of monthly rainfall

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

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Hillingdon weather in July

The average maximum daytime temperature in Hillingdon 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 Hillingdon during July.

  • 22°C maximum daytime temperature in July in Hillingdon22
    22°C max day temperature
  • 6 hours of sunshine per day in July in Hillingdon6
    6 hours of sunshine per day
  • 11 days with some rainfall in July in Hillingdon11
    11 days with some rainfall
  • 12°C minimum night-time temperature in July in Hillingdon12
    12°C min night temperature
  • 44 mm monthly rainfall in July in Hillingdon44
    44 mm of monthly rainfall

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

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Hillingdon weather in August

The average maximum daytime temperature in Hillingdon 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 Hillingdon during August.

  • 22°C maximum daytime temperature in August in Hillingdon22
    22°C max day temperature
  • 6 hours of sunshine per day in August in Hillingdon6
    6 hours of sunshine per day
  • 11 days with some rainfall in August in Hillingdon11
    11 days with some rainfall
  • 12°C minimum night-time temperature in August in Hillingdon12
    12°C min night temperature
  • 52 mm monthly rainfall in August in Hillingdon52
    52 mm of monthly rainfall

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

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Hillingdon weather in September

The average maximum daytime temperature in Hillingdon 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 Hillingdon during September.

  • 18°C maximum daytime temperature in September in Hillingdon18
    18°C max day temperature
  • 5 hours of sunshine per day in September in Hillingdon5
    5 hours of sunshine per day
  • 12 days with some rainfall in September in Hillingdon12
    12 days with some rainfall
  • 10°C minimum night-time temperature in September in Hillingdon10
    10°C min night temperature
  • 62 mm monthly rainfall in September in Hillingdon62
    62 mm of monthly rainfall

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

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Hillingdon weather in October

The average maximum daytime temperature in Hillingdon 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 Hillingdon during October.

  • 14°C maximum daytime temperature in October in Hillingdon14
    14°C max day temperature
  • 3 hours of sunshine per day in October in Hillingdon3
    3 hours of sunshine per day
  • 14 days with some rainfall in October in Hillingdon14
    14 days with some rainfall
  • 7°C minimum night-time temperature in October in Hillingdon7
    7°C min night temperature
  • 70 mm monthly rainfall in October in Hillingdon70
    70 mm of monthly rainfall

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

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Hillingdon weather in November

The average maximum daytime temperature in Hillingdon 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 Hillingdon during November.

  • 10°C maximum daytime temperature in November in Hillingdon10
    10°C max day temperature
  • 2 hours of sunshine per day in November in Hillingdon2
    2 hours of sunshine per day
  • 15 days with some rainfall in November in Hillingdon15
    15 days with some rainfall
  • 4°C minimum night-time temperature in November in Hillingdon4
    4°C min night temperature
  • 63 mm monthly rainfall in November in Hillingdon63
    63 mm of monthly rainfall

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

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Hillingdon weather in December

The average maximum daytime temperature in Hillingdon 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 Hillingdon during December.

  • 7°C maximum daytime temperature in December in Hillingdon7
    7°C max day temperature
  • 2 hours of sunshine per day in December in Hillingdon2
    2 hours of sunshine per day
  • 15 days with some rainfall in December in Hillingdon15
    15 days with some rainfall
  • 2°C minimum night-time temperature in December in Hillingdon2
    2°C min night temperature
  • 67 mm monthly rainfall in December in Hillingdon67
    67 mm of monthly rainfall

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

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