Jamestown Climate by Month
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 day and night temperature
The temperature in Jamestown remains steady throughout the year, providing a consistently comfortable climate. Typically, daytime temperatures range from a comfortable 26°C in March to a pleasant 21°C in the coolest month, September. Nights are cooler, with temperatures generally dropping to 19°C, particularly during the colder months.
The mean minimum and maximum temperatures throughout the year
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
The average number of days each month with precipitation
Average humidity
The relative humidity is low throughout the year in Jamestown .
Relative humidity over the year
The best time of year to visit Jamestown in Saint Helena
Other facts from our historical weather data:March has an average maximum temperature of 26°C and is the warmest month of the year.
The coldest month is September with an average maximum temperature of 21°C.
March tops the wettest month list with 17 mm of rainfall.
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.
