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 is the month when Harmondsworth, United Kingdom, sees the highest average temperatures, with a high of 22°C (71.6°F) and a low of 13.2°C (55.8°F).Humidity
July and August, with an average relative humidity of 74%, are the least humid months in Harmondsworth.Rainfall
In Harmondsworth, in July, during 12 rainfall days, 16mm (0.63") of precipitation is typically accumulated. In Harmondsworth, United Kingdom, during the entire year, the rain falls for 109 days and collects up to 156mm (6.14") of precipitation.Snowfall
In Harmondsworth, snow does not fall in April through November.Daylight
In Harmondsworth, the average length of the day in July is 16h and 5min.On the first day of the month, sunrise is at 4:49 am and sunset at 9:22 pm. On the last day of July, in Harmondsworth, sunrise is at 5:25 am and sunset at 8:51 pm BST.
Sunshine
With an average of 7.9h of sunshine, July has the most sunshine of the year in Harmondsworth.UV index
June and July, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: An average UV index of 5 in July transforms into this advice:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Frequently asked questions
What part of the year is the hottest in Harmondsworth?
What are the temperatures in Harmondsworth in July?
What is the least humid month in Harmondsworth?
What is the average humidity in July in Harmondsworth?
How much does it rain in Harmondsworth in July?
When it does not snow in Harmondsworth?
How many hours of daylight does Harmondsworth have in July?
When are sunrise and sunset in July in Harmondsworth?
What month has the most sunshine in Harmondsworth?
How many hours of sunshine does Harmondsworth have in July?
What is the month with the highest UV index in Harmondsworth?
What is the UV index reading in July in Harmondsworth?
Average temperature in July
Harmondsworth, United Kingdom
- Average high temperature in July: 22°C
The warmest month (with the highest average high temperature) is July (22°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in July: 13.2°C
The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is January (1.9°C).
Average pressure in July
Harmondsworth, United Kingdom
- Average pressure in July: 1015.4mbar
The month with the highest atmospheric pressure is September (1016.9mbar).
The month with the lowest atmospheric pressure is November (1010.5mbar).
Average wind speed in July
Harmondsworth, United Kingdom
- Average wind speed in July: 12.7km/h
The windiest month (with the highest average wind speed) is February (17.5km/h).
The calmest months (with the lowest average wind speed) are July and September (12.7km/h).
Average humidity in July
Harmondsworth, United Kingdom
- Average humidity in July: 74%
The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are July and August (74%).
Average rainfall in July
Harmondsworth, United Kingdom
- Average rainfall in July: 16mm
The wettest month (with the highest rainfall) is June (21mm).
The driest months (with the least rainfall) are January, March, April and May (9mm).
Average rainfall days in July
Harmondsworth, United Kingdom
- Average rainfall days in July: 12 days
The month with the highest number of rainy days is June (12.3 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in July
Harmondsworth, United Kingdom
- Average snowfall in July: 0mm
The months with the highest snowfall are January and February (6mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in July
Harmondsworth, United Kingdom
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (2 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
Harmondsworth, 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 5min
The month with the most sunshine is July (Average sunshine: 7h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in July
Harmondsworth, United Kingdom
- Average sunshine days in July: 14.2 days
The month with the most sunshine days is October (20.2 days).
The months with the least sunshine days are June and July (14.2 days).
Average UV index in July
Harmondsworth, United Kingdom
- Average UV index in July: 5
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 July
Harmondsworth, United Kingdom
- Average cloud cover in July: 50
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is April (Cloud cover 49).
Average visibility in July
Harmondsworth, United Kingdom
- Average visibility in July: 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).
Harmondsworth, United Kingdom
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