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Sunbury Weather and Climate: A Comprehensive Guide

The temperature in Sunbury can vary quite a bit throughout the year. Temperatures can be warm during the warmest months, and cold during the cooler months. It maintains moderate precipitation patterns. Let's now guide you through the climate details for a complete overview.

Average maximum day and minimum night temperature

Visitors to Sunbury can expect significant temperature changes throughout the year. Typically, average maximum daytime temperatures range from a comfortable 23°C in July to a chilly 9°C in the coolest month, February.

Nights are cooler, with lows often dropping to around 3°C during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Generally, Sunbury experiences moderate precipitation patterns, averaging 728 mm yearly. Precipitation levels in Sunbury remain relatively steady throughout the year. November has the most rain, with 69 mm over 16 days. In March, this drops slightly to 49 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, Sunbury 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.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: London, the United Kingdom (9 KM, 6 Miles).

Daily hours of sunshine

Data from: London, the United Kingdom (9 KM, 6 Miles).

Forecast for Sunbury

Wed   Jan 29
9°C | 5°C
SW 4 m/s
broken clouds and no rain

broken clouds and no rain

Thu   Jan 30
8°C | 1°C
NW 5 m/s
almost clear and no rain

almost clear and no rain

Fri   Jan 31
8°C | 0°C
W 4 m/s
3 mm
broken clouds and rain

broken clouds and rain

Select a Month of Interest

Check the conditions for any month of the year.

The best time of year to visit Sunbury 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 Sunbury?
    July has an average maximum temperature of 23°C and is the warmest month of the year.
  • Which is the coldest month in Sunbury?
    The coldest month is February with an average maximum temperature of 9°C.
  • Which is the wettest month in Sunbury?
    November tops the wettest month list with 69 mm of rainfall.
  • Which is the driest month in Sunbury?
    March is the driest month with 49 mm of precipitation.
  • Which is the sunniest month in Sunbury?
    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.