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
During August, Portmeirion records an average high-temperature of a still comfortable 16.5°C (61.7°F), marking a slight divergence from July's 17.2°C (63°F). An average low-temperature of 10.6°C (51.1°F) is common in Portmeirion during the nights of August.Humidity
In August, the average relative humidity is 89%.Rainfall
In August, in Portmeirion, the rain falls for 22.4 days. Throughout August, 82mm (3.23") of precipitation is accumulated. In Portmeirion, during the entire year, the rain falls for 230 days and collects up to 940mm (37.01") of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Portmeirion, United Kingdom, the average length of the day in August is 14h and 41min.On the first day of August, sunrise is at 5:35 am and sunset at 9:09 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 8:07 pm BST.
Sunshine
In Portmeirion, the average sunshine in August is 5.2h.UV index
May, June and August, with an average maximum UV index of 4, are months with the highest UV index in Portmeirion. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 4 during August translates into the following directions:
Exercise prevention - Protecting skin and eyes from harm is required. The solar radiation around mid-day is intense; avoid the Sun and stay safe. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Frequently asked questions
What is the average August temperature in Portmeirion?
What is the average humidity in August in Portmeirion?
How much does it rain in Portmeirion in August?
When it does not snow in Portmeirion?
What is the average length of the day in August in Portmeirion?
When are sunrise and sunset in August in Portmeirion?
How long on average sun shines in August in Portmeirion?
What is the month with the highest UV index in Portmeirion?
How high is the UV index in August in Portmeirion?
Average temperature in August
Portmeirion, United Kingdom
- Average high temperature in August: 16.5°C
The warmest month (with the highest average high temperature) is July (17.2°C).
The month with the lowest average high temperature is January (5.6°C).
- Average low temperature in August: 10.6°C
The month with the highest average low temperature is August (10.6°C).
The coldest month (with the lowest average low temperature) is February (1.5°C).
Average pressure in August
Portmeirion, United Kingdom
- Average pressure in August: 1013.5mbar
The month with the highest atmospheric pressure is May (1016.3mbar).
The month with the lowest atmospheric pressure is November (1009.1mbar).
Average wind speed in August
Portmeirion, United Kingdom
- Average wind speed in August: 12.7km/h
The windiest month (with the highest average wind speed) is December (17.8km/h).
The calmest month (with the lowest average wind speed) is June (11.2km/h).
Average humidity in August
Portmeirion, United Kingdom
- Average humidity in August: 89%
The months with the highest relative humidity are January and December (91%).
The months with the lowest relative humidity are April and May (84%).
Average rainfall in August
Portmeirion, United Kingdom
- Average rainfall in August: 82mm
The wettest month (with the highest rainfall) is December (103mm).
The driest months (with the least rainfall) are April and May (52mm).
Average rainfall days in August
Portmeirion, United Kingdom
- Average rainfall days in August: 22.4 days
The month with the highest number of rainy days is August (22.4 days).
The month with the least rainy days is February (15.3 days).
Average snowfall in August
Portmeirion, United Kingdom
- Average snowfall in August: 0mm
The month with the highest snowfall is January (70mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in August
Portmeirion, United Kingdom
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (6.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Portmeirion, United Kingdom
- Average daylight in August: 14h and 4min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in August: 5h and 1min
The months with the most sunshine are May and June (Average sunshine: 6h and 12min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in August
Portmeirion, United Kingdom
- Average sunshine days in August: 5.9 days
The month with the most sunshine days is March (10.8 days).
The month with the least sunshine days is August (5.9 days).
Average UV index in August
Portmeirion, United Kingdom
- Average UV index in August: 4
The months with the highest UV index are May, June and August (UV index 4).
The months with the lowest UV index are January, February, March, April, November and December (UV index 2).
Average cloud cover in August
Portmeirion, United Kingdom
- Average cloud cover in August: 70
The month with the most cloud cover is December (Cloud cover 76).
The month with the least cloud cover is April (Cloud cover 60).
Average visibility in August
Portmeirion, United Kingdom
- Average visibility in August: 7km
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (8km).
The months with the lowest visibility are August and September (7km).
Portmeirion, United Kingdom
Weather forecast for your location
2. Allow the app to use your location
