Best year time to visit St Thomas

General weather information about St Thomas

Average annual temperature is 11.7 °C

Absolute maximum temperature: 26.9 °C

Absolute minimum temperature: -3.3 °C

Number of sunny days: 91 days

Number of rainy days: 274 days

Look at detailed online map of St Thomas

* Weather data for St Thomas United Kingdom is based on climate observations for 2026 year

St Thomas air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)12.012.313.615.320.926.623.623.526.920.114.212.7
Average daytime temperature (°C)8.39.39.712.317.121.518.319.020.015.310.910.2
Average temperature (°C)6.06.67.59.113.217.715.916.317.113.28.78.4
Average night temperature (°C)3.53.65.25.59.113.513.113.414.011.16.06.2
Absolute minimum temperature (°C)-2.6-1.2-0.61.76.58.79.69.56.74.3-2.7-3.3

St Thomas 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)8.410.011.913.915.616.616.114.612.710.78.97.9
Daylight minimum duration (h)7.09.010.012.014.016.015.013.011.09.08.07.0
Sunshine mean duration (h)3.54.64.77.711.412.09.28.77.54.84.32.2
Precipitation (mm)20728230916068215149143206154277
Sunny days1110491713108684
Rainy days201827211417303122252227
Snow days000000000000

St Thomas - weather forecast by months

St Thomas weather in januarySt Thomas weather in februarySt Thomas weather in marchSt Thomas weather in aprilSt Thomas weather in maySt Thomas weather in juneSt Thomas weather in julySt Thomas weather in augustSt Thomas weather in septemberSt Thomas weather in octoberSt Thomas weather in novemberSt Thomas weather in december

Best time to visit St Thomas:

The best time to visit St Thomas during the most sunny months:

  • May — 11.4(h)
  • June — 12.0(h)
  • July — 9.2(h)
  • August — 8.7(h)

Months with the longest average daylight duration in St Thomas:

  • May — 15.6(h)
  • June — 16.6(h)
  • July — 16.1(h)

The largest precipitation sum in St Thomas is at

  • January — 207(mm)
  • March — 230(mm)
  • July — 215(mm)
  • October — 206(mm)
  • December — 277(mm)

    • Weather forecast in the closest to St Thomas admin centers

    Weather forecast in the closest towns to St Thomas

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    Frequently asked questions

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