Best year time to visit Greenwich

General weather information about Greenwich

Average annual temperature is 8.6 °C

Absolute maximum temperature: 30.4 °C

Absolute minimum temperature: -28.0 °C

Number of sunny days: 129 days

Number of rainy days: 201 days

Number of snow days: 35 days

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* Weather data for Greenwich Canada is based on climate observations for 2026 year

Greenwich air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)11.310.911.919.628.930.429.626.130.324.415.716.0
Average daytime temperature (°C)3.10.63.611.916.020.226.623.422.116.96.44.6
Average temperature (°C)-0.1-4.3-0.46.410.615.922.019.017.412.32.71.3
Average night temperature (°C)-3.4-8.6-3.62.15.912.218.315.413.98.9-0.4-1.6
Absolute minimum temperature (°C)-10.5-28.0-10.9-4.41.57.314.811.88.01.8-6.6-11.8

Greenwich monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.210.411.913.514.915.615.214.012.511.09.68.8
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)3.25.25.98.39.56.89.38.88.16.74.73.4
Precipitation (mm)2386096475218611718694179101117
Sunny days6712171674811131216
Rainy days15910131523272319181613
Snow days10129000000022

Greenwich - weather forecast by months

Greenwich weather in januaryGreenwich weather in februaryGreenwich weather in marchGreenwich weather in aprilGreenwich weather in mayGreenwich weather in juneGreenwich weather in julyGreenwich weather in augustGreenwich weather in septemberGreenwich weather in octoberGreenwich weather in novemberGreenwich weather in december

Best time to visit Greenwich:

The best time to visit Greenwich during the most sunny months:

  • May — 9.5(h)
  • July — 9.3(h)
  • August — 8.8(h)

Months with the longest average daylight duration in Greenwich:

  • June — 15.6(h)

The largest precipitation sum in Greenwich is at

  • January — 238(mm)
  • June — 186(mm)
  • August — 186(mm)
  • October — 179(mm)

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    Frequently asked questions

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