Best year time to visit St-Barthélemy

General weather information about St-Barthélemy

Average annual temperature is 10.6 °C

Absolute maximum temperature: 35.5 °C

Absolute minimum temperature: -10.2 °C

Number of sunny days: 159 days

Number of rainy days: 202 days

Number of snow days: 4 days

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* Weather data for St-Barthélemy Switzerland is based on climate observations for 2026 year

St-Barthélemy air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)12.113.715.819.222.528.934.435.528.724.513.010.4
Average daytime temperature (°C)4.07.59.811.417.324.924.725.323.117.17.96.3
Average temperature (°C)1.52.35.67.212.919.219.319.917.412.45.33.1
Average night temperature (°C)-1.2-1.71.42.98.312.813.814.512.18.02.30.2
Absolute minimum temperature (°C)-10.2-6.2-4.4-4.95.48.38.96.55.91.7-5.0-6.8

St-Barthélemy monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.08.0
Daylight mean duration (h)9.010.311.913.615.015.815.414.212.610.99.48.6
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.08.08.0
Sunshine mean duration (h)3.37.57.47.910.413.012.210.710.37.63.43.8
Precipitation (mm)85111539280491796866168216184
Sunny days151712912158152216513
Rainy days13101921191523168152518
Snow days310000000000

St-Barthélemy - weather forecast by months

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

Best time to visit St-Barthélemy:

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

  • May — 10.4(h)
  • June — 13.0(h)
  • July — 12.2(h)
  • August — 10.7(h)
  • September — 10.3(h)

Months with the longest average daylight duration in St-Barthélemy:

  • June — 15.8(h)
  • July — 15.4(h)

The largest precipitation sum in St-Barthélemy is at

  • March — 153(mm)
  • July — 179(mm)
  • October — 168(mm)
  • November — 216(mm)
  • December — 184(mm)

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    Frequently asked questions

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