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Jamestown, Saint Helena Weather Averages

February is the hottest month in Jamestown with an average temperature of 20°C (68°F) and the coldest is August at 16°C (61°F) with the most daily sunshine hours at 11 in September. The wettest month is February with an average of 60mm of rain..

Average Temperature Jamestown

What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month
What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month

Average High Low Temperature Jamestown

What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily
What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

Average Rainfall Jamestown

What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years
What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years

Average Daily Sunshine Hours Jamestown

What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer
What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer

Jamestown : Next 24-Hour Weather

Today - 14th November 2024

Sunrise 05:42

Sunrise

Sunset 18:33

Sunset
22:00
Patchy rain possible
20°C (68°F)
23:00
Patchy rain possible
21°C (69°F)

Tomorrow - 15th November 2024

Sunrise 05:42

Sunrise

Sunset 18:33

Sunset
0:00
Patchy rain possible
21°C (69°F)
1:00
Patchy rain possible
21°C (69°F)
2:00
Patchy rain possible
21°C (68°F)
3:00
Patchy rain possible
21°C (68°F)
4:00
Patchy rain possible
21°C (68°F)
5:00
Patchy rain possible
20°C (68°F)
6:00
Patchy rain possible
20°C (68°F)
7:00
Patchy rain possible
20°C (68°F)
8:00
Patchy rain possible
21°C (68°F)
9:00
Patchy rain possible
21°C (68°F)
10:00
Patchy rain possible
21°C (68°F)
11:00
Patchy rain possible
21°C (69°F)
12:00
Patchy rain possible
19°C (65°F)
13:00
Patchy rain possible
19°C (65°F)
14:00
Patchy rain possible
19°C (65°F)
15:00
Cloudy
19°C (66°F)
16:00
Cloudy
19°C (66°F)
17:00
Cloudy
19°C (66°F)
18:00
Cloudy
19°C (66°F)
19:00
Cloudy
19°C (66°F)
20:00
Patchy rain possible
19°C (66°F)
21:00
Patchy rain possible
19°C (65°F)
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