What is the Climate, Average Temperature/ Weather in Jamestown, Saint Helena?
Whether you wish to travel to Jamestown, Saint Helena (Latitude & Longitude: see map search field. Altitude: 12 m or 39 ft) on holiday, business or vacation, are interested in buying property there or are looking to migrate the following Jamestown, Saint Helena climate, temperature and weather information should prove helpful:
The average temperature in Jamestown, Saint Helena is 21.8 °C (71 °F).
The average temperature range is 4 °C.
The highest monthly average high temperature is 28 °C (82 °F) in March.
The lowest monthly average low temperature is 17 °C (63 °F) in July, August & September.
Jamestown, Saint Helena's climate receives an average of 137 mm (5.4 in) of rainfall per year, or 11 mm (0.4 in) per month.
On average there are 41 days per year with more than 0.1 mm (0.004 in) of rainfall (precipitation) or 3 days with a quantity of rain, sleet, snow etc. per month.
The driest weather is in November when an average of 0 mm (0.0 in) of rainfall (precipitation) occurrs across 0 days.
The wettest weather is in July when an average of 33 mm (1.3 in) of rainfall (precipitation) occurrs across 8 days.
The average annual relative humidity is 69.6% and average monthly relative humidity ranges from 63% in January to 76% in August.
There are an average of 0 days per year with frost in Jamestown, Saint Helena and in July there are an average of 0 days with frost.
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Jamestown, Saint Helena Weather Averages
Average Minimum Temperatures in Jamestown, Saint Helena (°C)
Average Maximum Temperature in Jamestown, Saint Helena (°C)
Jamestown, Saint Helena Average Temperature (°C)
Average Sea Temp (°C)
Average Precipitation/ Rainfall (mm)
Wet Days (>0.1 mm)
Average Sunlight Hours/ Day
Relative Humidity (%)
Average Wind Speed in Jamestown, Saint Helena (Beaufort)
Average Number of Days with Frost
Weather in Jamestown, Saint Helena in January
21
27
24
-
8
4
-
63
-
0
Average Temperature in Jamestown, Saint Helena in January
Weather in Jamestown, Saint Helena in February
21
27
24
-
10
4
-
65
-
0
Average Temperature in Jamestown, Saint Helena in February
Weather in Jamestown, Saint Helena in March
22
28
24
-
20
5
-
64.0
-
0
Average Temperature in Jamestown, Saint Helena in March
Weather in Jamestown, Saint Helena in April
21
27
24
-
10
3
-
65
-
0
Average Temperature in Jamestown, Saint Helena in April
Weather in Jamestown, Saint Helena in May
19
24
22
-
18
4
-
72
-
0
Average Temperature in Jamestown, Saint Helena in May
Weather in Jamestown, Saint Helena in June
18
23
21
-
18
6
-
72
-
0
Average Temperature in Jamestown, Saint Helena in June
Weather in Jamestown, Saint Helena in July
17
22
20
-
33
8
-
74
-
0
Average Temperature in Jamestown, Saint Helena in July
Weather in Jamestown, Saint Helena in August
17
22
20
-
10
3
-
76
-
0
Average Temperature in Jamestown, Saint Helena in August
Weather in Jamestown, Saint Helena in September
17
22
20
-
5
2
-
75
-
0
Average Temperature in Jamestown, Saint Helena in September
Weather in Jamestown, Saint Helena in October
18
23
20
-
2
1
-
72
-
0
Average Temperature in Jamestown, Saint Helena in October
Weather in Jamestown, Saint Helena in November
18
23
21
-
0
0
-
72
-
0
Average Temperature in Jamestown, Saint Helena in November
Weather in Jamestown, Saint Helena in December
19
24
22
-
3
1
-
65
-
0
Average Temperature in Jamestown, Saint Helena in December
Jamestown, Saint Helena Climate Chart (imperial)
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Jamestown, Saint Helena Temperatures in Farenheit
Average Minimum Temperatures in Jamestown, Saint Helena (°F)
Average Maximum Temperature in Jamestown, Saint Helena (°F)
Average Temperature (°F)
Average Sea Temp (°F)
Average Precipitation/ Rainfall (in)
Wet Days (>0.004 in)
Average Sunlight Hours/ Day
Relative Humidity (%)
Average Wind Speed (Beaufort)
Average Number of Days with Frost
Temperatures in Jamestown, Saint Helena in January
70
81
75
-
0.3
4
-
63
-
0
Climate in Jamestown, Saint Helena in January
Temperatures in Jamestown, Saint Helena in February
70
81
75
-
0.4
4
-
65
-
0
Climate in Jamestown, Saint Helena in February
Temperatures in Jamestown, Saint Helena in March
72
82
75
-
0.8
5
-
64
-
0
Climate in Jamestown, Saint Helena in March
Temperatures in Jamestown, Saint Helena in April
70
81
75
-
0.4
3
-
65
-
0
Climate in Jamestown, Saint Helena in April
Temperatures in Jamestown, Saint Helena in May
66
75
72
-
0.7
4
-
72
-
0
Climate in Jamestown, Saint Helena in May
Temperatures in Jamestown, Saint Helena in June
64
73
70
-
0.7
6
-
72
-
0
Climate in Jamestown, Saint Helena in June
Temperatures in Jamestown, Saint Helena in July
63
72
68
-
1.3
8
-
74
-
0
Climate in Jamestown, Saint Helena in July
Temperatures in Jamestown, Saint Helena in August
63
72
68
-
0.4
3
-
76
-
0
Climate in Jamestown, Saint Helena in August
Temperatures in Jamestown, Saint Helena in September
63
72
68
-
0.2
2
-
75
-
0
Climate in Jamestown, Saint Helena in September
Temperatures in Jamestown, Saint Helena in October
64
73
68
-
0.1
1
-
72
-
0
Climate in Jamestown, Saint Helena in October
Temperatures in Jamestown, Saint Helena in November
64
73
70
-
0.0
0
-
72
-
0
Climate in Jamestown, Saint Helena in November
Temperatures in Jamestown, Saint Helena in December
