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 sea temperature 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
A minimal variation is noted in Southampton's average high-temperature at the onset of August, reaching a still agreeable 20.3°C (68.5°F) from July's 20.7°C (69.3°F). In August, the recorded average low-temperature in Southampton is a refreshing 13.3°C (55.9°F).Humidity
July and August, with an average relative humidity of 79%, are the least humid months in Southampton.Rainfall
In Southampton, in August, during 16.6 rainfall days, 41mm (1.61") of precipitation is typically accumulated. Throughout the year, there are 184.9 rainfall days, and 482mm (18.98") of precipitation is accumulated.Snowfall
In Southampton, snow does not fall in April through October.Sea temperature
In August, the average sea temperature is 16.8°C (62.2°F).Note: Most people do not find pleasure in swimming when the water temperature is 16.8°C (62.2°F). Breathing becomes increasingly difficult to manage as the water temperature drops from 21°C (69.8°F) to 15°C (59°F).
Daylight
In Southampton, the average length of the day in August is 14h and 30min.On the first day of August in Southampton, sunrise is at 5:32 am and sunset at 8:51 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 7:52 pm BST.
Sunshine
In Southampton, United Kingdom, the average sunshine in August is 8.3h.UV index
The average daily maximum UV index in August in Southampton is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 4 in August interprets into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in August in Southampton?
What are the least humid months in Southampton?
What is the average humidity in August in Southampton?
How much does it rain in Southampton in August?
When it does not snow in Southampton?
How cold is the water in August in Southampton?
What is the average length of the day in August in Southampton?
When is the sunrise / sunset in August in Southampton?
How many hours of sunshine does Southampton have in August?
How high is the UV index in August in Southampton?
Average temperature in August
Southampton, United Kingdom
- Average high temperature in August: 20.3°C
The warmest month (with the highest average high temperature) is July (20.7°C).
The month with the lowest average high temperature is January (7.4°C).
- Average low temperature in August: 13.3°C
The month with the highest average low temperature is August (13.3°C).
The coldest months (with the lowest average low temperature) are January and February (3.3°C).
Average pressure in August
Southampton, United Kingdom
- Average pressure in August: 1015.3mbar
The month with the highest atmospheric pressure is September (1017.2mbar).
The month with the lowest atmospheric pressure is November (1010.7mbar).
Average wind speed in August
Southampton, United Kingdom
- Average wind speed in August: 14.4km/h
The windiest month (with the highest average wind speed) is February (19.3km/h).
The calmest month (with the lowest average wind speed) is July (14km/h).
Average humidity in August
Southampton, United Kingdom
- Average humidity in August: 79%
The months with the highest relative humidity are January and December (87%).
The months with the lowest relative humidity are July and August (79%).
Average rainfall in August
Southampton, United Kingdom
- Average rainfall in August: 41mm
The wettest month (with the highest rainfall) is December (61mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in August
Southampton, United Kingdom
- Average rainfall days in August: 16.6 days
The month with the highest number of rainy days is November (17.5 days).
The month with the least rainy days is September (12.3 days).
Average snowfall in August
Southampton, United Kingdom
- Average snowfall in August: 0mm
The month with the highest snowfall is December (8mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in August
Southampton, United Kingdom
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (1.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in August
Southampton, United Kingdom
- Average sea temperature in August: 16.8°C
The best month for swimming (with the highest average sea temperature) is September (17.3°C).
The coldest month (with the lowest average sea temperature) is March (8.6°C).
Average daylight in August /
Average sunshine in August
Southampton, United Kingdom
- Average daylight in August: 14h and 3min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in August: 8h and 2min
The month with the most sunshine is July (Average sunshine: 8h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in August
Southampton, United Kingdom
- Average sunshine days in August: 10.7 days
The month with the most sunshine days is March (14 days).
The month with the least sunshine days is November (8.9 days).
Average UV index in August
Southampton, 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 and November (UV index 2).
Average cloud cover in August
Southampton, United Kingdom
- Average cloud cover in August: 46
The month with the most cloud cover is November (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 44).
Average visibility in August
Southampton, United Kingdom
- Average visibility in August: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Southampton, United Kingdom
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