Climate in Jamestown , Saint Helena

The graphs below show the monthly weather averages over the year.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Average monthly minimum and maximum temperature in Jamestown , Saint Helena

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Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Average monthly rainfall, snow, precipitation in Jamestown , Saint Helena

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Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Average monthly rainy days in Jamestown , Saint Helena

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Average humidity

The mean monthly relative humidity over the year

Average monthly relative humidity in Jamestown , Saint Helena

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Weather Forecasts for Jamestown

Fri   Mar 29
24°C | 20°C
SE 29 km/h
0.4 mm
partly cloudy and  chance of slight rain

partly cloudy and chance of slight rain

Sat   Mar 30
23°C | 20°C
SE 22 km/h
0.5 mm
partly cloudy and  chance of slight rain

partly cloudy and chance of slight rain

Sun   Mar 31
23°C | 20°C
SE 29 km/h
partly cloudy and no rain

partly cloudy and no rain

The best time of year to visit Jamestown in Saint Helena

Other facts from our historical weather data:

  • Which is the warmest month in Jamestown ?
    March has an average maximum temperature of 26°C and is the warmest month of the year.
  • Which is the coldest month in Jamestown ?
    The coldest month is September with an average maximum temperature of 21°C.
  • Which is the wettest month in Jamestown ?
    March tops the wettest month list with 17 mm of rainfall.
  • Which is the driest month in Jamestown ?
    November is the driest month with 9 mm of precipitation.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.