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
August
Weather in August
Temperature
The shift into August records an average high-temperature of a still agreeable 20.9°C (69.6°F), subtly varied from July's 21.3°C (70.3°F). The average low-temperature during August nights is a refreshing 13.2°C (55.8°F).Humidity
The least humid month is August, with an average relative humidity of 77%.Rainfall
In Harpenden, during August, the rain falls for 15.4 days and regularly aggregates up to 33mm (1.3") of precipitation. Throughout the year, in Harpenden, there are 160.5 rainfall days, and 325mm (12.8") of precipitation is accumulated.Snowfall
In Harpenden, snow does not fall in May through October.Daylight
The average length of the day in August in Harpenden is 14h and 35min.On the first day of August, sunrise is at 5:24 am and sunset at 8:50 pm. On the last day of the month, sunrise is at 6:12 am and sunset at 7:50 pm BST.
Sunshine
The months with the most sunshine are July and August, with an average of 7.8h of sunshine.UV index
The average daily maximum UV index in August is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The average daily UV index of 4 in August transforms into the following instructions:
Act with care - Obligation to protect against skin and eye damage is highlighted. To guard against the harmful effects of the Sun, minimize exposure during midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average August temperature in Harpenden?
What is the least humid month in Harpenden?
What is the average humidity in August in Harpenden?
How much does it rain in Harpenden in August?
When it does not snow in Harpenden?
What is the average length of the day in August in Harpenden?
What time are sunrise and sunset in August in Harpenden?
What are the months with the most sunshine in Harpenden?
How many hours of sunshine does Harpenden have in August?
What is the UV index intensity in August in Harpenden?
Average temperature in August
Harpenden, United Kingdom
- Average high temperature in August: 20.9°C
The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in August: 13.2°C
The month with the highest average low temperature is August (13.2°C).
The coldest month (with the lowest average low temperature) is January (1.6°C).
Average pressure in August
Harpenden, United Kingdom
- Average pressure in August: 1014.6mbar
The months with the highest atmospheric pressure are May and September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1010.3mbar).
Average wind speed in August
Harpenden, United Kingdom
- Average wind speed in August: 13.5km/h
The windiest months (with the highest average wind speed) are February and December (18.4km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).
Average humidity in August
Harpenden, United Kingdom
- Average humidity in August: 77%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (77%).
Average rainfall in August
Harpenden, United Kingdom
- Average rainfall in August: 33mm
The wettest month (with the highest rainfall) is June (43mm).
The driest month (with the least rainfall) is September (19mm).
Average rainfall days in August
Harpenden, United Kingdom
- Average rainfall days in August: 15.4 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is February (10.8 days).
Average snowfall in August
Harpenden, United Kingdom
- Average snowfall in August: 0mm
The month with the highest snowfall is February (29mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in August
Harpenden, United Kingdom
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (3.6 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
Harpenden, United Kingdom
- Average daylight in August: 14h and 4min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in August: 7h and 5min
The months with the most sunshine are July and August (Average sunshine: 7h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in August
Harpenden, United Kingdom
- Average sunshine days in August: 11.8 days
The month with the most sunshine days is March (15.1 days).
The month with the least sunshine days is July (9.7 days).
Average UV index in August
Harpenden, 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
Harpenden, United Kingdom
- Average cloud cover in August: 50
The months with the most cloud cover are February and November (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 49).
Average visibility in August
Harpenden, United Kingdom
- Average visibility in August: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (9km).
The month with the lowest visibility is November (8km).
