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Jamestown Weather and Climate: A Comprehensive Guide

Jamestown has a steady warm climate throughout the year. It experiences desert-like conditions in terms of precipitation, with almost no rainfall. Let's now guide you through the climate details for a complete overview.

Average maximum day and minimum night temperature

The temperature in Jamestown remains steady throughout the year, providing a consistently comfortable climate. Typically, average maximum daytime temperatures range from a comfortable 26°C in March to a pleasant 21°C in the coolest month, September.

Nights are cooler, with lows often dropping to around 19°C during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Jamestown has a dry climate with very low precipitation, averaging 154 mm of rainfall annually. Jamestown offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between March (17 mm) and November (9.4 mm) is not too significant, making the climate enjoyable for visitors and residents alike.

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

Forecast for Jamestown

Monday
17 Feb
Light rain
Light rain
25°C
1.8 mm
Tuesday
18 Feb
Light rain showers
Light rain showers
25°C
1.4 mm
Wednesday
19 Feb
Partly cloudy
Partly cloudy
25°C
0.5 mm

Select a Month of Interest

Check the conditions for any month of the year.

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.