Best year time to visit Jamestown

General weather information about Jamestown

Average annual temperature is 11.2 °C

Absolute maximum temperature: 26.0 °C

Absolute minimum temperature: -2.7 °C

Number of sunny days: 100 days

Number of rainy days: 265 days

Look at detailed online map of Jamestown

* Weather data for Jamestown Ireland is based on climate observations for 2026 year

Jamestown air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)12.714.014.016.423.125.721.621.926.019.213.813.4
Average daytime temperature (°C)8.710.210.012.417.120.118.418.718.814.310.79.8
Average temperature (°C)6.27.67.59.213.016.515.315.715.411.68.17.8
Average night temperature (°C)3.74.94.95.98.912.612.012.911.89.05.55.2
Absolute minimum temperature (°C)-2.7-1.30.21.35.18.99.19.95.12.6-0.3-2.1

Jamestown 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)8.39.911.913.915.716.716.214.612.710.68.87.8
Daylight minimum duration (h)7.09.010.012.014.016.015.013.011.09.08.07.0
Sunshine mean duration (h)4.04.44.37.610.411.59.88.17.34.94.73.0
Precipitation (mm)932519696629316611015819391129
Sunny days12145615111297126
Rainy days191426241619302921241825
Snow days000000000000

Jamestown - weather forecast by months

Jamestown weather in januaryJamestown weather in februaryJamestown weather in marchJamestown weather in aprilJamestown weather in mayJamestown weather in juneJamestown weather in julyJamestown weather in augustJamestown weather in septemberJamestown weather in octoberJamestown weather in novemberJamestown weather in december

Best time to visit Jamestown:

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

  • May — 10.4(h)
  • June — 11.5(h)
  • July — 9.8(h)

Months with the longest average daylight duration in Jamestown:

  • May — 15.7(h)
  • June — 16.7(h)
  • July — 16.2(h)

The largest precipitation sum in Jamestown is at

  • March — 196(mm)
  • July — 166(mm)
  • September — 158(mm)
  • October — 193(mm)

    • Weather forecast in the closest to Jamestown admin centers

    Weather forecast in the closest towns to Jamestown

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    Frequently asked questions

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