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
August is Harleston's warmest month, registering average high temperatures of 20.9°C (69.6°F) and lows of 14.3°C (57.7°F).Humidity
August is the least humid month, with an average relative humidity of 75%.Rainfall
In Harleston, during August, the rain falls for 15.1 days and regularly aggregates up to 27mm (1.06") of precipitation. In Harleston, during the entire year, the rain falls for 159.6 days and collects up to 268mm (10.55") of precipitation.Snowfall
In Harleston, snow does not fall in May through October.Daylight
In August, the average length of the day in Harleston is 14h and 38min.On the first day of the month, sunrise is at 5:16 am and sunset at 8:46 pm. On the last day of August, sunrise is at 6:05 am and sunset at 7:44 pm BST.
Sunshine
The month with the most sunshine in Harleston is August, with an average of 8.8h of sunshine.UV index
In August, the average daily maximum UV index in Harleston is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 4 in August translates into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the warmest months in Harleston?
What is the temperature in August in Harleston?
What is the least humid month in Harleston?
What is the average humidity in August in Harleston?
How much does it rain in Harleston in August?
When it does not snow in Harleston?
What is the average length of the day in August in Harleston?
When are sunrise and sunset in August in Harleston?
What month has the most sunshine in Harleston?
How long on average sun shines in August in Harleston?
What is the UV index reading in August in Harleston?
Average temperature in August
Harleston, United Kingdom
- Average high temperature in August: 20.9°C
The warmest month (with the highest average high temperature) is August (20.9°C).
The month with the lowest average high temperature is January (6.4°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 January (2.6°C).
Average pressure in August
Harleston, United Kingdom
- Average pressure in August: 1014.4mbar
The month with the highest atmospheric pressure is May (1016.6mbar).
The month with the lowest atmospheric pressure is November (1010.2mbar).
Average wind speed in August
Harleston, United Kingdom
- Average wind speed in August: 14.4km/h
The windiest month (with the highest average wind speed) is December (20.3km/h).
The calmest month (with the lowest average wind speed) is July (13.7km/h).
Average humidity in August
Harleston, United Kingdom
- Average humidity in August: 75%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (75%).
Average rainfall in August
Harleston, United Kingdom
- Average rainfall in August: 27mm
The wettest months (with the highest rainfall) are July and December (29mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in August
Harleston, United Kingdom
- Average rainfall days in August: 15.1 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is September (11.3 days).
Average snowfall in August
Harleston, United Kingdom
- Average snowfall in August: 0mm
The month with the highest snowfall is February (20mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in August
Harleston, United Kingdom
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (3.8 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
Harleston, United Kingdom
- Average daylight in August: 14h and 4min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in August: 8h and 5min
The month with the most sunshine is August (Average sunshine: 8h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in August
Harleston, United Kingdom
- Average sunshine days in August: 12.9 days
The months with the most sunshine days are March and April (15.3 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in August
Harleston, United Kingdom
- Average UV index in August: 4
The months with the highest UV index are June and 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
Harleston, United Kingdom
- Average cloud cover in August: 43
The months with the most cloud cover are January and February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 43).
Average visibility in August
Harleston, 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).
