ClimateForecastDecemberJanuary >>

Harrow Climate by Month

Harrow experiences great temperature shifts. The city's weather can transition from warm days to cold weather. It maintains moderate precipitation patterns. Now, let’s explore all the climate details to give you a full picture.

Average day and night temperature

The climate in Harrow is known for significant temperature differences throughout the year, making the weather dynamic. Typically, daytime temperatures range from a comfortable 23°C in July to a chilly 9°C in the coolest month, February. Nights are cooler, with temperatures generally dropping to 3°C, particularly during the colder months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Generally, Harrow receives mid-range precipitation levels, with 717 mm annually. Precipitation levels in Harrow remain relatively steady throughout the year. August has the most rain, with 67 mm over 12 days. In March, this drops slightly to 48 mm, making the city's climate fairly predictable.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

For those who appreciate different seasons, Harrow serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 7.3 hours of sunshine daily, and embrace the darker days in December, offering only 1.8 hours of daily sunlight.

Monthly hours of sunshine

Data from: London, the United Kingdom (13 KM, 8 Miles).

Daily hours of sunshine

Data from: London, the United Kingdom (13 KM, 8 Miles).

The best time of year to visit Harrow in the United Kingdom

During the months of June, July and August you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which is the warmest month in Harrow?
    July has an average maximum temperature of 23°C and is the warmest month of the year.
  • Which is the coldest month in Harrow?
    The coldest month is February with an average maximum temperature of 9°C.
  • Which is the wettest month in Harrow?
    August tops the wettest month list with 67 mm of rainfall.
  • Which is the driest month in Harrow?
    March is the driest month with 48 mm of precipitation.
  • Which is the sunniest month in Harrow?
    July is the sunniest month with an average of 219 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Harrow

    Thu   Dec 12
    8°C | 4°C
    NE 7 km/h
    1.7 mm
    overcast and  chance of slight rain

    overcast and chance of slight rain

    Fri   Dec 13
    8°C | 4°C
    SE 4 km/h
    broken clouds and no rain

    broken clouds and no rain

    Sat   Dec 14
    8°C | 3°C
    NW 14 km/h
    broken clouds and no rain

    broken clouds and no rain