Best year time to visit Greenwich

General weather information about Greenwich

Average annual temperature is 14.7 °C

Absolute maximum temperature: 38.5 °C

Absolute minimum temperature: -9.0 °C

Number of sunny days: 189 days

Number of rainy days: 175 days

Number of snow days: 1 day

Look at detailed online map of Greenwich

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

Greenwich air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)18.424.328.031.530.133.338.534.037.228.626.416.9
Average daytime temperature (°C)10.312.814.022.723.427.932.531.027.321.614.010.7
Average temperature (°C)5.87.07.715.516.921.525.824.621.315.68.05.9
Average night temperature (°C)2.42.52.69.811.016.020.819.716.610.83.62.2
Absolute minimum temperature (°C)-2.9-9.0-4.81.85.811.418.215.79.95.8-5.0-3.6

Greenwich monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.014.013.011.010.09.0
Daylight mean duration (h)9.810.812.013.214.314.814.613.612.411.210.19.5
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)5.26.37.69.010.010.511.710.88.68.77.75.5
Precipitation (mm)72615711442111130471203058153
Sunny days151615171514111316182316
Rainy days16121613161620181413615
Snow days000000000010

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:

  • July — 11.7(h)
  • August — 10.8(h)

The largest precipitation sum in Greenwich is at

  • April — 114(mm)
  • June — 111(mm)
  • July — 130(mm)
  • September — 120(mm)
  • December — 153(mm)

    • Weather forecast in the closest to Greenwich admin centers

    Weather forecast in the closest towns to Greenwich

    Explore Greenwich

    See also
    MapTrains schedule
    Plan your trip
    AccommodationExperiencesBlog

    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.