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
Portishead's August reports an average high-temperature of a still comfortable 19.4°C (66.9°F), exhibiting a minor difference from July. Portishead experiences an average low-temperature of 12.7°C (54.9°F) in month of August.Humidity
In August, the average relative humidity in Portishead is 83%.Rainfall
In Portishead, during August, the rain falls for 17.5 days and regularly aggregates up to 43mm (1.69") of precipitation. In Portishead, during the entire year, the rain falls for 176.1 days and collects up to 410mm (16.14") of precipitation.Snowfall
May through October are months without snowfall in Portishead.Daylight
In Portishead, the average length of the day in August is 14h and 33min.On the first day of the month, sunrise is at 5:35 am and sunset at 8:58 pm. On the last day of August, in Portishead, sunrise is at 6:23 am and sunset at 7:59 pm BST.
Sunshine
In Portishead, the average sunshine in August is 7.5h.UV index
The months with the highest UV index in Portishead are May through September, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In August, the average maximum UV index of 4 translates into the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Frequently asked questions
What is the average August temperature in Portishead?
What is the average humidity in August in Portishead?
How much does it rain in Portishead in August?
When it does not snow in Portishead?
What is the average length of the day in August in Portishead?
When are sunrise and sunset in August in Portishead?
How long on average sun shines in August in Portishead?
When is the highest UV index in Portishead?
What is the UV index intensity in August in Portishead?
Average temperature in August
Portishead, United Kingdom
- Average high temperature in August: 19.4°C
The warmest month (with the highest average high temperature) is July (19.7°C).
The month with the lowest average high temperature is January (7.2°C).
- Average low temperature in August: 12.7°C
The month with the highest average low temperature is August (12.7°C).
The coldest month (with the lowest average low temperature) is January (2.8°C).
Average pressure in August
Portishead, United Kingdom
- Average pressure in August: 1014.8mbar
The months with the highest atmospheric pressure are May and September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1010.1mbar).
Average wind speed in August
Portishead, United Kingdom
- Average wind speed in August: 14.2km/h
The windiest month (with the highest average wind speed) is February (19.5km/h).
The calmest month (with the lowest average wind speed) is July (13.6km/h).
Average humidity in August
Portishead, United Kingdom
- Average humidity in August: 83%
The months with the highest relative humidity are November and December (88%).
The months with the lowest relative humidity are April, May and July (82%).
Average rainfall in August
Portishead, United Kingdom
- Average rainfall in August: 43mm
The wettest month (with the highest rainfall) is December (45mm).
The driest months (with the least rainfall) are April and September (24mm).
Average rainfall days in August
Portishead, United Kingdom
- Average rainfall days in August: 17.5 days
The month with the highest number of rainy days is August (17.5 days).
The month with the least rainy days is February (12.3 days).
Average snowfall in August
Portishead, United Kingdom
- Average snowfall in August: 0mm
The month with the highest snowfall is February (18mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in August
Portishead, United Kingdom
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (2.4 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
Portishead, 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 3min
The month with the most sunshine is July (Average sunshine: 8h and 12min).
The month with the least sunshine is November (Average sunshine: 3h and 54min).
Average sunshine days in August
Portishead, United Kingdom
- Average sunshine days in August: 9.3 days
The month with the most sunshine days is March (14.5 days).
The month with the least sunshine days is August (9.3 days).
Average UV index in August
Portishead, United Kingdom
- Average UV index in August: 4
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in August
Portishead, United Kingdom
- Average cloud cover in August: 53
The month with the most cloud cover is November (Cloud cover 61).
The months with the least cloud cover are April and May (Cloud cover 48).
Average visibility in August
Portishead, 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).
Portishead, United Kingdom
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