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
Porthleven's temperatures peak on average in August, reaching 17.4°C (63.3°F) at their highest and 15.8°C (60.4°F) at their lowest.Humidity
In August, the average relative humidity in Porthleven is 83%.Rainfall
In August, in Porthleven, the rain falls for 17.8 days. Throughout August, 54mm (2.13") of precipitation is accumulated. In Porthleven, during the entire year, the rain falls for 204.9 days and collects up to 617mm (24.29") of precipitation.Snowfall
In Porthleven, snow does not fall in March through December.Sea temperature
August is the month with the warmest seawater in Porthleven, United Kingdom, with an average sea temperature of 17.1°C (62.8°F).Note: In water with a temperature of 17.1°C (62.8°F), swimming is not a joy for most people. The challenge of controlling breathing increases as the temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
The average length of the day in August is 14h and 25min.On the first day of August in Porthleven, sunrise is at 5:51 am and sunset at 9:03 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 8:07 pm BST.
Sunshine
In August, the average sunshine is 8.1h.UV index
August is the month with the highest UV index, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 5 during August leads to these instructions:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Frequently asked questions
What are the warmest months in Porthleven?
What are August temperatures in Porthleven?
What is the average humidity in August in Porthleven?
How many days does it rain in August in Porthleven?
When it does not snow in Porthleven?
What month is the sea warmest in Porthleven?
How cold is the water in August in Porthleven?
What is the average length of the day in August in Porthleven?
When is the sunrise / sunset in August in Porthleven?
How many hours of sunshine does Porthleven have in August?
What is the month with the highest UV index in Porthleven?
How high is the UV index in August in Porthleven?
Average temperature in August
Porthleven, United Kingdom
- Average high temperature in August: 17.4°C
The warmest month (with the highest average high temperature) is August (17.4°C).
The month with the lowest average high temperature is February (9.3°C).
- Average low temperature in August: 15.8°C
The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is February (7.1°C).
Average pressure in August
Porthleven, United Kingdom
- Average pressure in August: 1015.8mbar
The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1010.5mbar).
Average wind speed in August
Porthleven, United Kingdom
- Average wind speed in August: 22.5km/h
The windiest month (with the highest average wind speed) is December (32.9km/h).
The calmest month (with the lowest average wind speed) is July (20.8km/h).
Average humidity in August
Porthleven, United Kingdom
- Average humidity in August: 83%
The months with the highest relative humidity are June and July (84%).
The months with the lowest relative humidity are February, November and December (79%).
Average rainfall in August
Porthleven, United Kingdom
- Average rainfall in August: 54mm
The wettest month (with the highest rainfall) is November (91mm).
The driest month (with the least rainfall) is May (29mm).
Average rainfall days in August
Porthleven, United Kingdom
- Average rainfall days in August: 17.8 days
The month with the highest number of rainy days is December (21.7 days).
The month with the least rainy days is May (13.6 days).
Average snowfall in August
Porthleven, United Kingdom
- Average snowfall in August: 0mm
The month with the highest snowfall is February (3mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in August
Porthleven, United Kingdom
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average sea temperature in August
Porthleven, United Kingdom
- Average sea temperature in August: 17.1°C
The best month for swimming (with the highest average sea temperature) is August (17.1°C).
The coldest month (with the lowest average sea temperature) is March (9.7°C).
Average daylight in August /
Average sunshine in August
Porthleven, United Kingdom
- Average daylight in August: 14h and 2min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in August: 8h and 1min
The months with the most sunshine are April and July (Average sunshine: 8h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 54min).
Average sunshine days in August
Porthleven, United Kingdom
- Average sunshine days in August: 9.4 days
The month with the most sunshine days is May (14.8 days).
The month with the least sunshine days is November (5.3 days).
Average UV index in August
Porthleven, United Kingdom
- Average UV index in August: 5
The month with the highest UV index is August (UV index 5).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in August
Porthleven, United Kingdom
- Average cloud cover in August: 50
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is April (Cloud cover 43).
Average visibility in August
Porthleven, United Kingdom
- 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).
Porthleven, United Kingdom
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