Windsor Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Windsor.
Climate overview of Windsor
The climate in Windsor, Berkshire, United Kingdom, is marked by large temperature swings across the seasons, ranging from 23°C (73°F) in July to 9°C (48°F) in January.
Windsor sees a moderate amount of rain/snowfall, totalling around 722 mm (28 in) per year. July is the sunniest month, averaging 7.3 hours of sunshine per day.
Windsor Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Windsor — and find the best time to visit.
Monthly Temperature in Windsor
In Windsor, temperatures differ significantly between summer and winter months. Average maximum daytime temperatures range from a comfortable 23°C (73°F) in July, the warmest time of the year, to a chilly 9°C (48°F) during cooler months like January.
At night, you can expect temperatures ranging from 13°C (55°F) in July to around 3°C (37°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Windsor
On average, Windsor receives a reasonable amount of rain/snowfall, with an annual precipitation of 722 mm (28 in). Year-round, Windsor has a balanced climate with minimal variation in precipitation. The difference between the wettest month, November, with 68 mm (2.7 in), and the driest month, March, with 49 mm (1.9 in), is minimal. For more details, please visit our Windsor Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
Sunshine Hours in Windsor
Seasonal changes in sunshine hours are quite dramatic in Windsor. While July receives considerable daily sunshine with up to 7.3 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.8 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Windsor by Month
The relative humidity is high throughout the year in Windsor.
The city experiences its highest humidity in November, reaching 81%. In April, the humidity drops to its lowest level at 64%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Windsor
The mean wind speed over the year ranges from 3 m/s (6 knots) in May, June, July, August, September, October and November to 4 m/s (8 knots) in January, February, March, April and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Windsor
Frequently asked questions about the climate in Windsor
What is the best time to visit Windsor?
June, July, August and September typically offer the most optimal weather in Windsor. In contrast, January, February and December tend to have less optimal conditions.
What temperatures can I expect in Windsor?
Daytime highs range from 9°C (48°F) in January to 23°C (73°F) in July. Nighttime lows range from 3°C (37°F) to 13°C (55°F). Temperatures vary considerably through the year.
How much rain does Windsor get?
Annual rainfall is around 722 mm (28 in). November is the wettest month with 68 mm (2.7 in), while March is the driest with 49 mm (1.9 in).
How sunny is Windsor?
Windsor receives around 1,675 hours of sunshine per year. July is the sunniest month with 219 hours, while December is the cloudiest with just 54 hours.
Windsor 3-Day Forecast
Windsor 3-Day Forecast
Windsor on the map
Windsor is highlighted — select any city to see its climate.
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