Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
With the advent of August, Longwood experiences an average high-temperature of a still agreeable 20.1°C (68.2°F), mirroring a close resemblance to the previous month. In Longwood, nights during August observe an average temperature decrease to a comfortable 19°C (66.2°F).Humidity
In Longwood, the average relative humidity in August is 77%.Rainfall
In Longwood, in August, it is raining for 13.4 days, with typically 9mm (0.35") of accumulated precipitation. In Longwood, during the entire year, the rain falls for 133.1 days and collects up to 92mm (3.62") of precipitation.Daylight
In Longwood, the average length of the day in August is 11h and 36min.On the first day of August in Longwood, sunrise is at 06:46 and sunset at 18:11. On the last day of the month, sunrise is at 06:28 and sunset at 18:16 GMT.
Sunshine
The average sunshine in August is 4.6h.UV index
August through October, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 4 during August leads to these advisories:
Exercise prevention - Protecting skin and eyes from harm is required. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Frequently asked questions
What is the average August temperature in Longwood?
What is the average humidity in August in Longwood?
How much does it rain in Longwood in August?
What is the average length of the day in August in Longwood?
What time are sunrise and sunset in August in Longwood?
How many hours of sunshine does Longwood have in August?
When is the lowest UV index in Longwood?
What is the UV index reading in August in Longwood?
Average temperature in August
Longwood, Saint Helena, Ascension and Tristan da Cunha
- Average high temperature in August: 20.1°C
The warmest month (with the highest average high temperature) is March (24.7°C).
The month with the lowest average high temperature is September (19.7°C).
- Average low temperature in August: 19°C
The month with the highest average low temperature is March (23.5°C).
The coldest months (with the lowest average low temperature) are September and October (18.7°C).
Average pressure in August
Longwood, Saint Helena, Ascension and Tristan da Cunha
- Average pressure in August: 1019.8mbar
The months with the highest atmospheric pressure are July and August (1019.8mbar).
The month with the lowest atmospheric pressure is February (1014.1mbar).
Average wind speed in August
Longwood, Saint Helena, Ascension and Tristan da Cunha
- Average wind speed in August: 27.7km/h
The windiest month (with the highest average wind speed) is September (28.4km/h).
The calmest month (with the lowest average wind speed) is January (21.8km/h).
Average humidity in August
Longwood, Saint Helena, Ascension and Tristan da Cunha
- Average humidity in August: 77%
The month with the highest relative humidity is October (82%).
The months with the lowest relative humidity are June and July (74%).
Average rainfall in August
Longwood, Saint Helena, Ascension and Tristan da Cunha
- Average rainfall in August: 9mm
The wettest month (with the highest rainfall) is June (11mm).
The driest months (with the least rainfall) are May, September, October and November (6mm).
Average rainfall days in August
Longwood, Saint Helena, Ascension and Tristan da Cunha
- Average rainfall days in August: 13.4 days
The month with the highest number of rainy days is June (13.6 days).
The month with the least rainy days is November (8.5 days).
Average daylight in August /
Average sunshine in August
Longwood, Saint Helena, Ascension and Tristan da Cunha
- Average daylight in August: 11h and 4min
The month with the longest days is December (Average daylight: 13h and 6min).
The month with the shortest days is June (Average daylight: 11h and 12min).
- Average sunshine in August: 4h and 4min
The month with the most sunshine is February (Average sunshine: 7h and 30min).
The month with the least sunshine is September (Average sunshine: 4h and 0min).
Average sunshine days in August
Longwood, Saint Helena, Ascension and Tristan da Cunha
- Average sunshine days in August: 7.3 days
The month with the most sunshine days is May (13.2 days).
The month with the least sunshine days is February (7.2 days).
Average UV index in August
Longwood, Saint Helena, Ascension and Tristan da Cunha
- Average UV index in August: 4
The months with the highest UV index are January, February, March and May (UV index 6).
The months with the lowest UV index are August, September and October (UV index 4).
Average cloud cover in August
Longwood, Saint Helena, Ascension and Tristan da Cunha
- Average cloud cover in August: 70
The month with the most cloud cover is September (Cloud cover 74).
The month with the least cloud cover is February (Cloud cover 44).
Average visibility in August
Longwood, Saint Helena, Ascension and Tristan da Cunha
- Average visibility in August: 10km
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).
Longwood, Saint Helena, Ascension and Tristan da Cunha
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