Average temperature in Jamestown
The mean minimum and maximum temperatures over the year in Jamestown (), Saint Helena.
- On average, the warmest month is March with 26°C.
- On average, the coolest month is September with 21°C.
- The average annual maximum temperature is 23°C.
- The average annual minimum temperature is 21°C.
Weather Forecasts for Jamestown
partly cloudy and no rain
almost clear and no rain
partly cloudy and small chance of slight rain