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
The ushering in of August brings an average high-temperature of a still comfortable 16.7°C (62.1°F), closely mirroring the 16.9°C (62.4°F) of July. August brings with it a nighttime average temperature of 11.3°C (52.3°F) in Holywood.Humidity
In Holywood, the average relative humidity in August is 87%.Rainfall
August is the month with the most rainfall in Holywood, United Kingdom. Rain falls for 23 days and accumulates 72mm (2.83") of precipitation.Snowfall
April through October are months without snowfall in Holywood.Daylight
The average length of the day in August in Holywood, United Kingdom, is 14h and 52min.On the first day of August in Holywood, sunrise is at 5:35 am and sunset at 9:24 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 8:17 pm BST.
Sunshine
In August, the average sunshine in Holywood, United Kingdom, is 6.4h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 4 during August leads to these instructions:
Take precautions - Protection against sunburn is recommended. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Frequently asked questions
What are the temperatures in Holywood in August?
What is the average humidity in August in Holywood?
What is the wettest month in Holywood?
How much does it rain in Holywood in August?
When it does not snow in Holywood?
How many hours of daylight does Holywood have in August?
What time are sunrise and sunset in August in Holywood?
How many hours of sunshine does Holywood have in August?
What is the month with the highest UV index in Holywood?
What is the UV index intensity in August in Holywood?
Average temperature in August
Holywood, United Kingdom
- Average high temperature in August: 16.7°C
The warmest month (with the highest average high temperature) is July (16.9°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in August: 11.3°C
The month with the highest average low temperature is August (11.3°C).
The coldest month (with the lowest average low temperature) is February (2.8°C).
Average pressure in August
Holywood, United Kingdom
- Average pressure in August: 1011.8mbar
The month with the highest atmospheric pressure is May (1015.6mbar).
The month with the lowest atmospheric pressure is November (1007.3mbar).
Average wind speed in August
Holywood, United Kingdom
- Average wind speed in August: 15.3km/h
The windiest month (with the highest average wind speed) is January (21.3km/h).
The calmest months (with the lowest average wind speed) are June and July (13.7km/h).
Average humidity in August
Holywood, United Kingdom
- Average humidity in August: 87%
The months with the highest relative humidity are January and December (88%).
The months with the lowest relative humidity are April and May (83%).
Average rainfall in August
Holywood, United Kingdom
- Average rainfall in August: 72mm
The wettest month (with the highest rainfall) is August (72mm).
The driest month (with the least rainfall) is May (38mm).
Average rainfall days in August
Holywood, United Kingdom
- Average rainfall days in August: 23 days
The month with the highest number of rainy days is August (23 days).
The month with the least rainy days is April (16.1 days).
Average snowfall in August
Holywood, United Kingdom
- Average snowfall in August: 0mm
The month with the highest snowfall is February (25mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in August
Holywood, United Kingdom
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Holywood, United Kingdom
- Average daylight in August: 14h and 5min
The month with the longest days is June (Average daylight: 17h and 12min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in August: 6h and 2min
The month with the most sunshine is June (Average sunshine: 7h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in August
Holywood, United Kingdom
- Average sunshine days in August: 5.6 days
The month with the most sunshine days is April (11.5 days).
The month with the least sunshine days is August (5.6 days).
Average UV index in August
Holywood, United Kingdom
- Average UV index in August: 4
The months with the highest UV index are May, June, July and August (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
Holywood, United Kingdom
- Average cloud cover in August: 60
The months with the most cloud cover are January and February (Cloud cover 63).
The month with the least cloud cover is April (Cloud cover 55).
Average visibility in August
Holywood, 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).
Holywood, United Kingdom
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