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
Holyhead, United Kingdom, reaches its highest average temperatures in August, measuring 16.6°C (61.9°F) at the peak and 14.3°C (57.7°F) at the lowest.Humidity
July and August, with an average relative humidity of 84%, are the most humid months in Holyhead.Rainfall
In Holyhead, United Kingdom, in August, it is raining for 23.4 days, with typically 78mm (3.07") of accumulated precipitation. Throughout the year, in Holyhead, there are 233.6 rainfall days, and 739mm (29.09") of precipitation is accumulated.Snowfall
April through October are months without snowfall.Sea temperature
In Holyhead, the average seawater temperature in August is 15°C (59°F).Note: Most people do not take pleasure in swimming in water at 15°C (59°F). The difficulty of managing breathing increases as the water 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 44min.On the first day of the month, sunrise is at 5:36 am and sunset at 9:13 pm. On the last day of August, in Holyhead, sunrise is at 6:27 am and sunset at 8:09 pm BST.
Sunshine
In August, the average sunshine is 7.5h.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: A typical high UV index of 4 in August suggests the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Frequently asked questions
What month is the hottest in Holyhead?
What is the temperature in August in Holyhead?
What are the most humid months in Holyhead?
What is the average humidity in August in Holyhead?
How much does it rain in Holyhead in August?
When it does not snow in Holyhead?
How cold is the water in August in Holyhead?
How many hours of daylight does Holyhead have in August?
When are sunrise and sunset in August in Holyhead?
How many hours of sunshine does Holyhead have in August?
What is the month with the highest UV index in Holyhead?
How high is the UV index in August in Holyhead?
Average temperature in August
Holyhead, United Kingdom
- Average high temperature in August: 16.6°C
The warmest month (with the highest average high temperature) is August (16.6°C).
The month with the lowest average high temperature is February (7.8°C).
- Average low temperature in August: 14.3°C
The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is February (5.8°C).
Average pressure in August
Holyhead, United Kingdom
- Average pressure in August: 1013.2mbar
The month with the highest atmospheric pressure is May (1016.1mbar).
The month with the lowest atmospheric pressure is November (1008.7mbar).
Average wind speed in August
Holyhead, United Kingdom
- Average wind speed in August: 22.2km/h
The windiest month (with the highest average wind speed) is December (31.3km/h).
The calmest month (with the lowest average wind speed) is June (18.7km/h).
Average humidity in August
Holyhead, United Kingdom
- Average humidity in August: 84%
The months with the highest relative humidity are July and August (84%).
The month with the lowest relative humidity is November (79%).
Average rainfall in August
Holyhead, United Kingdom
- Average rainfall in August: 78mm
The wettest month (with the highest rainfall) is November (87mm).
The driest month (with the least rainfall) is May (36mm).
Average rainfall days in August
Holyhead, United Kingdom
- Average rainfall days in August: 23.4 days
The month with the highest number of rainy days is August (23.4 days).
The month with the least rainy days is April (15.6 days).
Average snowfall in August
Holyhead, United Kingdom
- Average snowfall in August: 0mm
The months with the highest snowfall are January and December (4mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in August
Holyhead, United Kingdom
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in August
Holyhead, United Kingdom
- Average sea temperature in August: 15°C
The best month for swimming (with the highest average sea temperature) is September (15.2°C).
The coldest month (with the lowest average sea temperature) is March (8.3°C).
Average daylight in August /
Average sunshine in August
Holyhead, United Kingdom
- Average daylight in August: 14h and 4min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in August: 7h and 3min
The month with the most sunshine is May (Average sunshine: 8h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in August
Holyhead, United Kingdom
- Average sunshine days in August: 5.4 days
The month with the most sunshine days is May (12.3 days).
The month with the least sunshine days is December (4.3 days).
Average UV index in August
Holyhead, 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 and December (UV index 2).
Average cloud cover in August
Holyhead, United Kingdom
- Average cloud cover in August: 54
The month with the most cloud cover is December (Cloud cover 65).
The month with the least cloud cover is May (Cloud cover 46).
Average visibility in August
Holyhead, 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).
Holyhead, United Kingdom
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