Climate of Jamestown

Climate averages for the whole year

Day: the average daily temperature during the day is between 20°C and 25°C
Night:the average nighttime temperature is between 19°C and 24°C
Sea temperature: the sea temperature is between 20°C and 25°C
Rain: it rains 107 days and there is a total of approximately 75 mm rainfall
Sun hours: throughout the year there are 2190 sun hours

Maximum temperature:	between 20°C and 25°C
Warmest month:	25°C in March
Coldest month:	20°C in August
Night temperature:	between 19°C and 24°C
Sea temperature:	between 20°C and 25°C
Dry days:	258 days
Days with rain:	107 days
Days with snow:	0 days
Total rain sum:	75 mm
Hours of sunshine:	2190 hours

Climate of Jamestown
Temperature graph
Precipitation graph
Climate chart of Jamestown
The best travel time for Jamestown
Climate of Jamestown by month
Experiences with the weather of Jamestown

Temperature graph

This graph shows the average maximum temperature (red) and minimum temperature (blue) for Jamestown.

Precipitation graph

This graph shows the average amount of rainfall per month for Jamestown.

Climate table of Jamestown

In this climate table you can see at a glance what the average weather per month is for Jamestown. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Jamestown might be like in a given month.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Day temp. (°C)	23	24	25	24	23	22	21	20	20	20	20	21
Night temp. (°C)	22	24	24	24	23	22	20	20	19	19	20	21
Water temp. (°C)	23	24	25	24	23	23	22	21	21	20	21	22
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Precipitation (mm)	7	6	7	5	5	9	7	7	5	5	5	7
Days with rain	8	8	11	8	8	11	11	10	8	8	7	9
Dry days	23	20	20	22	23	19	20	21	22	23	23	22
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sun hours per day	8	8	7	7	6	5	6	5	4	4	6	7
Wind force (Bft)	4	4	4	4	4	4	4	4	4	4	4	4
UV-index	6	6	6	6	6	6	5	5	4	4	5	5

Best time to visit Jamestown

The best time to visit Jamestown in Saint Helena, Ascension and Tristan da Cunha is from January through December. In this period you have a pleasant temperature and almost no precipitation. The highest average temperature in Jamestown is 25°C in March and the lowest is 20°C in August. The highest water temperature is 25°C and it does not get colder than 20°C.

Climate of Jamestown by month

What is the average climate in a given month for Jamestown? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.

January