Best year time to visit Sunbury-on-Thames

General weather information about Sunbury-on-Thames

Average annual temperature is 11.7 °C

Absolute maximum temperature: 31.6 °C

Absolute minimum temperature: -4.0 °C

Number of sunny days: 134 days

Number of rainy days: 231 days

Look at detailed online map of Sunbury-on-Thames

* Weather data for Sunbury-on-Thames United Kingdom is based on climate observations for 2026 year

Sunbury-on-Thames air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)13.013.615.117.520.929.027.124.931.623.514.913.8
Average daytime temperature (°C)8.19.810.413.217.223.221.021.423.117.010.810.0
Average temperature (°C)5.36.27.68.912.818.017.317.318.213.37.97.9
Average night temperature (°C)2.22.94.74.68.412.813.413.113.710.05.15.5
Absolute minimum temperature (°C)-4.0-2.7-3.1-0.45.17.79.510.38.52.5-2.4-3.3

Sunbury-on-Thames monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.010.012.014.016.016.016.015.013.011.09.08.0
Daylight mean duration (h)8.410.011.913.915.616.516.114.612.610.78.97.9
Daylight minimum duration (h)7.09.010.012.014.016.015.013.011.09.08.07.0
Sunshine mean duration (h)4.14.54.47.610.012.410.19.98.86.54.32.4
Precipitation (mm)5715997429439878591028979
Sunny days15194913155813111111
Rainy days16927211815262317201920
Snow days000000000000

Sunbury-on-Thames - weather forecast by months

Sunbury-on-Thames weather in januarySunbury-on-Thames weather in februarySunbury-on-Thames weather in marchSunbury-on-Thames weather in aprilSunbury-on-Thames weather in maySunbury-on-Thames weather in juneSunbury-on-Thames weather in julySunbury-on-Thames weather in augustSunbury-on-Thames weather in septemberSunbury-on-Thames weather in octoberSunbury-on-Thames weather in novemberSunbury-on-Thames weather in december

Best time to visit Sunbury-on-Thames:

The best time to visit Sunbury-on-Thames during the most sunny months:

  • May — 10.0(h)
  • June — 12.4(h)
  • July — 10.1(h)
  • August — 9.9(h)

Months with the longest average daylight duration in Sunbury-on-Thames:

  • May — 15.6(h)
  • June — 16.5(h)
  • July — 16.1(h)

The largest precipitation sum in Sunbury-on-Thames is at

  • March — 99(mm)
  • July — 98(mm)
  • October — 102(mm)
  • November — 89(mm)

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    Frequently asked questions

    When is the best time to visit Sunbury-on-Thames?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Sunbury-on-Thames.
    What is the weather like in Sunbury-on-Thames?
    See average temperature, rainfall and daylight hours for Sunbury-on-Thames by month in the table above.
    How many sunny days does Sunbury-on-Thames have?
    The monthly weather statistics above show sunshine and rainfall patterns for Sunbury-on-Thames throughout the year.