Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
July brings the highest temperatures, with an average high of 20.7°C (69.3°F) and an average low of 12°C (53.6°F).Humidity
July and August, with an average relative humidity of 80%, are the least humid months.Rainfall
In July, the rain falls for 16.8 days. Throughout July, 30mm (1.18") of precipitation is accumulated. In Harwell, United Kingdom, during the entire year, the rain falls for 156.1 days and collects up to 332mm (13.07") of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in July in Harwell is 16h and 7min.On the first day of the month, sunrise is at 4:52 am and sunset at 9:26 pm. On the last day of July, sunrise is at 5:28 am and sunset at 8:55 pm BST.
Sunshine
July has the most sunshine of the year, with an average of 7.7h of sunshine.UV index
The months with the highest UV index in Harwell are May through September, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 4 in July translates into this advice:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Frequently asked questions
What time of the year is the hottest in Harwell?
What is the average July temperature in Harwell?
What is the least humid month in Harwell?
What is the average humidity in July in Harwell?
How many days does it rain in July in Harwell?
When it does not snow in Harwell?
What is the average length of the day in July in Harwell?
What time are sunrise and sunset in July in Harwell?
What month has the most sunshine in Harwell?
How many hours of sunshine does Harwell have in July?
When is the highest UV index in Harwell?
How high is the UV index in July in Harwell?
Average temperature in July
Harwell, United Kingdom
- Average high temperature in July: 20.7°C
The warmest month (with the highest average high temperature) is July (20.7°C).
The month with the lowest average high temperature is January (6.4°C).
- Average low temperature in July: 12°C
The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is January (1.4°C).
Average pressure in July
Harwell, United Kingdom
- Average pressure in July: 1015.1mbar
The months with the highest atmospheric pressure are May and September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1010.2mbar).
Average wind speed in July
Harwell, United Kingdom
- Average wind speed in July: 12.9km/h
The windiest month (with the highest average wind speed) is February (18.3km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).
Average humidity in July
Harwell, United Kingdom
- Average humidity in July: 80%
The month with the highest relative humidity is December (91%).
The months with the lowest relative humidity are July and August (80%).
Average rainfall in July
Harwell, United Kingdom
- Average rainfall in July: 30mm
The wettest months (with the highest rainfall) are June, August and November (35mm).
The driest month (with the least rainfall) is September (17mm).
Average rainfall days in July
Harwell, United Kingdom
- Average rainfall days in July: 16.8 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is September (9.8 days).
Average snowfall in July
Harwell, United Kingdom
- Average snowfall in July: 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 July
Harwell, United Kingdom
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in July /
Average sunshine in July
Harwell, United Kingdom
- Average daylight in July: 16h and 1min
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 July: 7h and 4min
The month with the most sunshine is July (Average sunshine: 7h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in July
Harwell, United Kingdom
- Average sunshine days in July: 10.8 days
The month with the most sunshine days is September (18 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in July
Harwell, United Kingdom
- Average UV index in July: 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, November and December (UV index 2).
Average cloud cover in July
Harwell, United Kingdom
- Average cloud cover in July: 53
The month with the most cloud cover is November (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 51).
Average visibility in July
Harwell, United Kingdom
- Average visibility in July: 9km
The months with the highest visibility are January, February, March, May, June, July, August, October and December (9km).
The months with the lowest visibility are April, September and November (8km).
Harwell, United Kingdom
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