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 snowfall in August
- Average snowfall 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
As Greenwich welcomes August, the average high-temperature is noted at a still pleasant 21.9°C (71.4°F), closely aligning with the preceding month. Greenwich's average low-temperature in the month of August is recorded at a mild 14.3°C (57.7°F).Humidity
The least humid month is August, with an average relative humidity of 72%.Rainfall
In Greenwich, in August, it is raining for 13.3 days, with typically 32mm (1.26") of accumulated precipitation. In Greenwich, during the entire year, the rain falls for 148.8 days and collects up to 306mm (12.05") of precipitation.Snowfall
May through October are months without snowfall in Greenwich.Daylight
In Greenwich, the average length of the day in August is 14h and 33min.On the first day of August, sunrise is at 5:24 am and sunset at 8:47 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 7:48 pm BST.
Sunshine
The month with the most sunshine is August, with an average of 7.9h of sunshine.UV index
In August, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: A maximum high daily UV index of 4 during August translates into the following directions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Frequently asked questions
What is the average August temperature in Greenwich?
What is the least humid month in Greenwich?
What is the average humidity in August in Greenwich?
How many days does it rain in August in Greenwich?
When it does not snow in Greenwich?
What is the average length of the day in August in Greenwich?
When is the sunrise / sunset in August in Greenwich?
What month has the most sunshine in Greenwich?
How long on average sun shines in August in Greenwich?
How high is the UV index in August in Greenwich?
Average temperature in August
Greenwich, United Kingdom
- Average high temperature in August: 21.9°C
The warmest month (with the highest average high temperature) is July (22.3°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in August: 14.3°C
The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is January (2.1°C).
Average pressure in August
Greenwich, United Kingdom
- Average pressure in August: 1014.9mbar
The month with the highest atmospheric pressure is September (1016.9mbar).
The month with the lowest atmospheric pressure is November (1010.6mbar).
Average wind speed in August
Greenwich, United Kingdom
- Average wind speed in August: 12.8km/h
The windiest month (with the highest average wind speed) is February (17.4km/h).
The calmest month (with the lowest average wind speed) is September (12.7km/h).
Average humidity in August
Greenwich, United Kingdom
- Average humidity in August: 72%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (72%).
Average rainfall in August
Greenwich, United Kingdom
- Average rainfall in August: 32mm
The wettest month (with the highest rainfall) is June (33mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in August
Greenwich, United Kingdom
- Average rainfall days in August: 13.3 days
The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is September (9.6 days).
Average snowfall in August
Greenwich, United Kingdom
- Average snowfall in August: 0mm
The month with the highest snowfall is February (17mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in August
Greenwich, United Kingdom
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (3.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Greenwich, United Kingdom
- Average daylight in August: 14h and 4min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in August: 7h and 5min
The month with the most sunshine is August (Average sunshine: 7h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in August
Greenwich, United Kingdom
- Average sunshine days in August: 14.6 days
The month with the most sunshine days is September (18 days).
The month with the least sunshine days is July (12.5 days).
Average UV index in August
Greenwich, United Kingdom
- Average UV index in August: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in August
Greenwich, United Kingdom
- Average cloud cover in August: 49
The month with the most cloud cover is February (Cloud cover 62).
The months with the least cloud cover are August and September (Cloud cover 49).
Average visibility in August
Greenwich, United Kingdom
- Average visibility in August: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (9km).
The month with the lowest visibility is November (8km).
Greenwich, United Kingdom
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