August weather forecastGuildford, United Kingdom
August
Weather in August
The last month of the summer, August, is also an agreeable month in Guildford, United Kingdom, with an average temperature fluctuating between 13.1°C (55.6°F) and 21°C (69.8°F).Temperature
Guildford records a slight change with August's average high-temperatures adjusting to a still pleasant 21°C (69.8°F) from July's 21.4°C (70.5°F). An average minimum temperature of 13.1°C (55.6°F) marks the month of August in Guildford.Humidity
The average relative humidity in August in Guildford is 78%.Rainfall
In Guildford, during August, the rain falls for 18.9 days and regularly aggregates up to 53mm (2.09") of precipitation. Throughout the year, in Guildford, there are 192.1 rainfall days, and 499mm (19.65") of precipitation is accumulated.Snowfall
In Guildford, snow does not fall in April through October.Daylight
The average length of the day in August in Guildford, United Kingdom, is 14h and 32min.On the first day of the month, sunrise is at 5:28 am and sunset at 8:49 pm. On the last day of August, in Guildford, sunrise is at 6:14 am and sunset at 7:50 pm BST.
Sunshine
In August, the average sunshine in Guildford is 8.2h.UV index
In August, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 4 in August translates into these instructions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Guildford, United Kingdom
- Average high temperature in August: 21°C
The warmest month (with the highest average high temperature) is July (21.4°C).
The month with the lowest average high temperature is January (7°C).
- Average low temperature in August: 13.1°C
The month with the highest average low temperature is August (13.1°C).
The coldest month (with the lowest average low temperature) is January (2.2°C).
Average pressure in August
Guildford, United Kingdom
- Average pressure in August: 1015.1mbar
The month with the highest atmospheric pressure is September (1017mbar).
The month with the lowest atmospheric pressure is November (1010.7mbar).
Average wind speed in August
Guildford, United Kingdom
- Average wind speed in August: 12.9km/h
The windiest month (with the highest average wind speed) is February (17.8km/h).
The calmest month (with the lowest average wind speed) is July (12.8km/h).
Average humidity in August
Guildford, United Kingdom
- Average humidity in August: 78%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is July (77%).
Average rainfall in August
Guildford, United Kingdom
- Average rainfall in August: 53mm
The wettest month (with the highest rainfall) is June (56mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in August
Guildford, United Kingdom
- Average rainfall days in August: 18.9 days
The month with the highest number of rainy days is July (20.1 days).
The months with the least rainy days are March and September (13.4 days).
Average snowfall in August
Guildford, United Kingdom
- Average snowfall in August: 0mm
The month with the highest snowfall is February (19mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in August
Guildford, United Kingdom
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (2.6 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
Guildford, United Kingdom
- Average daylight in August: 14h and 30min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in August: 8h and 12min
The month with the most sunshine is July (Average sunshine: 8h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in August
Guildford, United Kingdom
- Average sunshine days in August: 7.3 days
The month with the most sunshine days is March (14.1 days).
The month with the least sunshine days is August (7.3 days).
Average UV index in August
Guildford, United Kingdom
- Average UV index in August: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Guildford, United Kingdom
- Average cloud cover in August: 48
The months with the most cloud cover are February and November (Cloud cover 60).
The months with the least cloud cover are April and September (Cloud cover 47).
Average visibility in August
Guildford, United Kingdom
- Average visibility in August: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, November and December (8km).
