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
July
Weather in July
Temperature
July, characterized by an average high temperature of 21.8°C (71.2°F) and a low temperature of 13.2°C (55.8°F), is generally the warmest month.Humidity
The months with the lowest humidity are July and August, with an average relative humidity of 74%.Rainfall
In July, the rain falls for 18.4 days. Throughout July, 37mm (1.46") of precipitation is accumulated. Throughout the year, in Harrow on the Hill, there are 165.8 rainfall days, and 345mm (13.58") of precipitation is accumulated.Snowfall
In Harrow on the Hill, snow does not fall in April through October.Daylight
The average length of the day in July is 16h and 7min.On the first day of the month, sunrise is at 4:48 am and sunset at 9:22 pm. On the last day of July, sunrise is at 5:24 am and sunset at 8:51 pm BST.
Sunshine
July and August, with an average of 8h of sunshine, are months with the most sunshine.UV index
The months with the highest UV index in Harrow on the Hill, United Kingdom, are June and July, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 5 in July converts into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the warmest month in Harrow on the Hill?
What is the average July temperature in Harrow on the Hill?
What are the least humid months in Harrow on the Hill?
What is the average humidity in July in Harrow on the Hill?
How much does it rain in Harrow on the Hill in July?
When it does not snow in Harrow on the Hill?
How many hours of daylight does Harrow on the Hill have in July?
When are sunrise and sunset in July in Harrow on the Hill?
What is the month with the most sunshine in Harrow on the Hill?
How long on average sun shines in July in Harrow on the Hill?
When is the highest UV index in Harrow on the Hill?
What is the UV index intensity in July in Harrow on the Hill?
Average temperature in July
Harrow on the Hill, United Kingdom
- Average high temperature in July: 21.8°C
The warmest month (with the highest average high temperature) is July (21.8°C).
The month with the lowest average high temperature is January (6.7°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
Harrow on the Hill, United Kingdom
- Average pressure in July: 1015.3mbar
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
Harrow on the Hill, United Kingdom
- Average wind speed in July: 12.7km/h
The windiest month (with the highest average wind speed) is February (17.6km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).
Average humidity in July
Harrow on the Hill, 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
Harrow on the Hill, United Kingdom
- Average rainfall in July: 37mm
The wettest month (with the highest rainfall) is June (46mm).
The driest month (with the least rainfall) is January (19mm).
Average rainfall days in July
Harrow on the Hill, United Kingdom
- Average rainfall days in July: 18.4 days
The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is February (10.8 days).
Average snowfall in July
Harrow on the Hill, United Kingdom
- Average snowfall in July: 0mm
The month with the highest snowfall is February (16mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in July
Harrow on the Hill, United Kingdom
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (2.1 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
Harrow on the Hill, 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: 8h and 0min
The months with the most sunshine are July and August (Average sunshine: 8h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in July
Harrow on the Hill, United Kingdom
- Average sunshine days in July: 9.3 days
The month with the most sunshine days is December (16.3 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in July
Harrow on the Hill, 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
Harrow on the Hill, United Kingdom
- Average cloud cover in July: 50
The month with the most cloud cover is February (Cloud cover 61).
The months with the least cloud cover are April and September (Cloud cover 49).
Average visibility in July
Harrow on the Hill, 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).
