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Windsor, United Kingdom Weather Averages

July is the hottest month in Windsor with an average temperature of 18°C (64°F) and the coldest is January at 5°C (40°F) with the most daily sunshine hours at 7 in June. The wettest month is October with an average of 70mm of rain..

Average Temperature Windsor

What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month
What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month

Average High Low Temperature Windsor

What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily
What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

Average Rainfall Windsor

What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years
What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years

Average Daily Sunshine Hours Windsor

What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer
What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer

Windsor : Next 24-Hour Weather

Today - 19th August 2026

Sunrise 05:54

Sunrise

Sunset 20:17

Sunset
14:00
Overcast
24°C (74°F)
15:00
Overcast
24°C (74°F)
16:00
Overcast
23°C (72°F)
17:00
Patchy rain possible
21°C (69°F)
18:00
Overcast
22°C (70°F)
19:00
Patchy rain possible
21°C (69°F)
20:00
Patchy rain possible
21°C (68°F)
21:00
Overcast
20°C (66°F)
22:00
Patchy rain possible
18°C (64°F)
23:00
Clear
16°C (61°F)

Tomorrow - 20th August 2026

Sunrise 05:54

Sunrise

Sunset 20:17

Sunset
0:00
Clear
15°C (59°F)
1:00
Clear
15°C (58°F)
2:00
Clear
14°C (57°F)
3:00
Clear
14°C (56°F)
4:00
Patchy rain possible
14°C (56°F)
5:00
Partly cloudy
13°C (55°F)
6:00
Clear
13°C (55°F)
7:00
Clear
14°C (56°F)
8:00
Clear
16°C (59°F)
9:00
Clear
18°C (63°F)
10:00
Clear
20°C (66°F)
11:00
Light rain shower
21°C (69°F)
12:00
Overcast
21°C (69°F)
13:00
Overcast
22°C (71°F)