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
August, with its average high-temperature of 19.3°C (66.7°F) and an average low-temperature of 14.5°C (58.1°F), holds the record as the warmest month.Humidity
The average relative humidity in August is 80%.Rainfall
In Old Portsmouth, in August, it is raining for 13.9 days, with typically 41mm (1.61") of accumulated precipitation. Throughout the year, there are 173.5 rainfall days, and 486mm (19.13") of precipitation is accumulated.Snowfall
In Old Portsmouth, snow does not fall in April through October.Daylight
In Old Portsmouth, the average length of the day in August is 14h and 29min.On the first day of the month, sunrise is at 5:31 am and sunset at 8:49 pm. On the last day of August, in Old Portsmouth, sunrise is at 6:17 am and sunset at 7:51 pm BST.
Sunshine
In Old Portsmouth, the average sunshine in August is 8.9h.UV index
The average daily maximum UV index in August in Old Portsmouth is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: In August, a regular UV index of 4 translates into these guidelines:
Heed the precautions - Suggestions to avoid sunburn are made. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Frequently asked questions
What month is the hottest in Old Portsmouth?
What are the temperatures in Old Portsmouth in August?
What is the average humidity in August in Old Portsmouth?
How many days does it rain in August in Old Portsmouth?
When it does not snow in Old Portsmouth?
How many hours of daylight does Old Portsmouth have in August?
What time are sunrise and sunset in August in Old Portsmouth?
How long on average sun shines in August in Old Portsmouth?
What is the UV index intensity in August in Old Portsmouth?
Average temperature in August
Old Portsmouth, United Kingdom
- Average high temperature in August: 19.3°C
The warmest month (with the highest average high temperature) is August (19.3°C).
The month with the lowest average high temperature is February (7.8°C).
- Average low temperature in August: 14.5°C
The month with the highest average low temperature is August (14.5°C).
The coldest month (with the lowest average low temperature) is February (4.6°C).
Average pressure in August
Old Portsmouth, United Kingdom
- Average pressure in August: 1015.4mbar
The month with the highest atmospheric pressure is September (1017.2mbar).
The month with the lowest atmospheric pressure is November (1010.8mbar).
Average wind speed in August
Old Portsmouth, United Kingdom
- Average wind speed in August: 17.8km/h
The windiest month (with the highest average wind speed) is December (25.2km/h).
The calmest month (with the lowest average wind speed) is July (17km/h).
Average humidity in August
Old Portsmouth, United Kingdom
- Average humidity in August: 80%
The months with the highest relative humidity are January and December (84%).
The month with the lowest relative humidity is September (79%).
Average rainfall in August
Old Portsmouth, United Kingdom
- Average rainfall in August: 41mm
The wettest month (with the highest rainfall) is November (63mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in August
Old Portsmouth, United Kingdom
- Average rainfall days in August: 13.9 days
The month with the highest number of rainy days is November (17.8 days).
The month with the least rainy days is September (11.9 days).
Average snowfall in August
Old Portsmouth, United Kingdom
- Average snowfall in August: 0mm
The month with the highest snowfall is December (7mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in August
Old Portsmouth, United Kingdom
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (1.5 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
Old Portsmouth, 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 5min
The month with the most sunshine is July (Average sunshine: 9h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in August
Old Portsmouth, United Kingdom
- Average sunshine days in August: 14 days
The month with the most sunshine days is September (15.9 days).
The month with the least sunshine days is November (10 days).
Average UV index in August
Old Portsmouth, 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
Old Portsmouth, United Kingdom
- Average cloud cover in August: 42
The month with the most cloud cover is November (Cloud cover 59).
The month with the least cloud cover is July (Cloud cover 40).
Average visibility in August
Old Portsmouth, United Kingdom
- Average visibility in August: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
Old Portsmouth, United Kingdom
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