Climate and monthly weather forecast
Georgetown, Saint Helena, Ascension and Tristan da Cunha

Weather in January

January, the same as December, is another warm summer month in Georgetown, Saint Helena, Ascension and Tristan da Cunha, with an average temperature fluctuating between 24.4°C (75.9°F) and 25.5°C (77.9°F). In Georgetown, the average high-temperature in January is practically the same as in December - a still moderately hot 25.5°C (77.9°F). Weather in January »

Weather in February

The last month of the summer, February, is another warm month in Georgetown, Saint Helena, Ascension and Tristan da Cunha, with an average temperature ranging between max 26.5°C (79.7°F) and min 25.4°C (77.7°F). In February, the average high-temperature is essentially the same as in January - a still moderately hot 26.5°C (79.7°F). Weather in February »

Weather in March

March, the first month of the autumn in Georgetown, is also a moderately hot month, with temperature in the range of an average high of 27.1°C (80.8°F) and an average low of 25.9°C (78.6°F). In March, the average high-temperature is essentially the same as in February - a still warm 27.1°C (80.8°F). Weather in March »

Weather in April

April, the same as March, is another warm autumn month in Georgetown, Saint Helena, Ascension and Tristan da Cunha, with an average temperature varying between 26.2°C (79.2°F) and 27.3°C (81.1°F). April is the warmest month, with an average high-temperature of 27.3°C (81.1°F) and an average low-temperature of 26.2°C (79.2°F). In April, the average heat index is calculated to be a tropical 30.1°C (86.2°F). Weather in April »

Weather in May

The last month of the autumn, May, is another warm month in Georgetown, Saint Helena, Ascension and Tristan da Cunha, with an average temperature varying between 26.7°C (80.1°F) and 25.7°C (78.3°F). In May, the average high-temperature is essentially the same as in April - a still moderately hot 26.7°C (80.1°F). Weather in May »

Weather in June

June, the first month of the winter in Georgetown, is still a warm month, with an average temperature ranging between min 24.9°C (76.8°F) and max 25.9°C (78.6°F). In Georgetown, the average high-temperature in June is essentially the same as in May - a still moderately hot 25.9°C (78.6°F). Weather in June »

Weather in July

July, like June, in Georgetown, Saint Helena, Ascension and Tristan da Cunha, is a moderately hot winter month, with an average temperature varying between 24.1°C (75.4°F) and 24.9°C (76.8°F). In July, the average high-temperature is almost the same as in June - a still moderately hot 24.9°C (76.8°F). Weather in July »

Weather in August

August, the last month of the winter in Georgetown, is also a moderately hot month, with temperature in the range of an average high of 24°C (75.2°F) and an average low of 23.3°C (73.9°F). In August, the average high-temperature is essentially the same as in July - a still moderately hot 24°C (75.2°F). Weather in August »

Weather in September

The first month of the spring, September, is still a warm month in Georgetown, Saint Helena, Ascension and Tristan da Cunha, with temperature in the range of an average high of 23.5°C (74.3°F) and an average low of 23°C (73.4°F). Weather in September »

Weather in October

October, the same as September, is a moderately hot spring month in Georgetown, Saint Helena, Ascension and Tristan da Cunha, with an average temperature ranging between min 23.1°C (73.6°F) and max 23.6°C (74.5°F). In October, the average high-temperature is essentially the same as in September - a still moderately hot 23.6°C (74.5°F). Weather in October »

Weather in November

November, the last month of the spring in Georgetown, is also a moderately hot month, with an average temperature ranging between min 23°C (73.4°F) and max 23.9°C (75°F). In November, the average high-temperature is practically the same as in October - a still warm 23.9°C (75°F). Weather in November »

Weather in December

December, the first month of the summer in Georgetown, is still a warm month, with an average temperature varying between 24.4°C (75.9°F) and 23.7°C (74.7°F). In Georgetown, the average high-temperature in December is essentially the same as in November - a still warm 24.4°C (75.9°F). Weather in December »
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FAQ

What is the driest month in Georgetown?

The months with the least rainfall are January and February Rain falls for 9.1 days and accumulates 8mm (0.31") of rain.

How much does it rain in Georgetown?

Throughout the year, in Georgetown, there are 166.5 rainfall days, and 168mm (6.61") of precipitation is accumulated.

What is the month with the highest UV index in Georgetown?

The months with the highest UV index in Georgetown are January through May, with an average maximum UV index of 7.

What month has the most sunshine in Georgetown?

With an average of 8.1h of sunshine, March has the most sunshine of the year in Georgetown, Saint Helena, Ascension and Tristan da Cunha.

What is the warmest month in Georgetown?

With an average high-temperature of 27.3°C (81.1°F) and an average low-temperature of 26.2°C (79.2°F), April is the warmest month.

What is the least humid month in Georgetown?

The months with the lowest humidity in Georgetown are June and July, with an average relative humidity of 75%.

What is the month with the shortest days in Georgetown?

June has the shortest days of the year in Georgetown, with an average of 11h and 40min of daylight.

What is the wettest month in Georgetown?

July is the month with the most rainfall in Georgetown. Rain falls for 17 days and accumulates 20mm (0.79") of precipitation.

What is the coldest month in Georgetown?

September is the coldest month in Georgetown, Saint Helena, Ascension and Tristan da Cunha, with an average high-temperature of 23.5°C (74.3°F) and an average low-temperature of 23°C (73.4°F).

What are the months with the lowest UV index in Georgetown?

September through November, with an average maximum UV index of 5, are months with the lowest UV index.

What is the most humid month in Georgetown?

October and November, with an average relative humidity of 81%, are most humid months in Georgetown.

What is the month with the least sunshine in Georgetown?

With an average of 5.2h of sunshine, October has the least sunshine of the year.

When are the longest days in Georgetown?

With an average of 12h and 35min of daylight, December has the longest days of the year.

Is there Daylight Saving Time (DST) in Georgetown?

Georgetown does not utilize Daylight Saving Time (DST). GMT timezone is used over the entire year.

Average temperature
Georgetown, Saint Helena, Ascension and Tristan da Cunha

Average temperature - Georgetown, Saint Helena, Ascension and Tristan da Cunha

The warmest month (with the highest average high temperature) is April (27.3°C).
The month with the lowest average high temperature is September (23.5°C).

The month with the highest average low temperature is April (26.2°C).
The coldest months (with the lowest average low temperature) are September and November (23°C).

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Average pressure
Georgetown, Saint Helena, Ascension and Tristan da Cunha

Average pressure - Georgetown, Saint Helena, Ascension and Tristan da Cunha

The months with the highest atmospheric pressure are July and August (1016.1mbar).
The months with the lowest atmospheric pressure are February and March (1011.8mbar).

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Average wind speed
Georgetown, Saint Helena, Ascension and Tristan da Cunha

Average wind speed - Georgetown, Saint Helena, Ascension and Tristan da Cunha

The windiest month (with the highest average wind speed) is July (28.1km/h).
The calmest month (with the lowest average wind speed) is January (21.7km/h).

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Average humidity
Georgetown, Saint Helena, Ascension and Tristan da Cunha

Average humidity - Georgetown, Saint Helena, Ascension and Tristan da Cunha

The months with the highest relative humidity are October and November (81%).
The months with the lowest relative humidity are June and July (75%).

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Average rainfall
Georgetown, Saint Helena, Ascension and Tristan da Cunha

Average rainfall - Georgetown, Saint Helena, Ascension and Tristan da Cunha

The wettest month (with the highest rainfall) is July (20mm).
The driest months (with the least rainfall) are January and February (8mm).

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Average rainfall days
Georgetown, Saint Helena, Ascension and Tristan da Cunha

Average rainfall days - Georgetown, Saint Helena, Ascension and Tristan da Cunha

The month with the highest number of rainy days is August (19.8 days).
The month with the least rainy days is February (7.4 days).

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Average daylight / Average sunshine
Georgetown, Saint Helena, Ascension and Tristan da Cunha

Average daylight / Average sunshine - Georgetown, Saint Helena, Ascension and Tristan da Cunha

The month with the longest days is December (Average daylight: 12h and 35min).
The month with the shortest days is June (Average daylight: 11h and 40min).

The month with the most sunshine is March (Average sunshine: 8h and 6min).
The month with the least sunshine is October (Average sunshine: 5h and 12min).

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Average sunshine days
Georgetown, Saint Helena, Ascension and Tristan da Cunha

Average sunshine days - Georgetown, Saint Helena, Ascension and Tristan da Cunha

The month with the most sunshine days is March (11.3 days).
The month with the least sunshine days is August (1.8 days).

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Average UV index
Georgetown, Saint Helena, Ascension and Tristan da Cunha

Average UV index - Georgetown, Saint Helena, Ascension and Tristan da Cunha

The months with the highest UV index are January, February, March, April and May (UV index 7).
The months with the lowest UV index are September, October and November (UV index 5).

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Average cloud cover
Georgetown, Saint Helena, Ascension and Tristan da Cunha

Average cloud cover - Georgetown, Saint Helena, Ascension and Tristan da Cunha

The month with the most cloud cover is October (Cloud cover 68).
The month with the least cloud cover is March (Cloud cover 40).

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Average visibility
Georgetown, Saint Helena, Ascension and Tristan da Cunha

Average visibility - Georgetown, Saint Helena, Ascension and Tristan da Cunha

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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