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Winchester Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Winchester.
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Climate overview of Winchester
Temperatures in Winchester, Hampshire, United Kingdom, vary greatly throughout the year. July is the hottest month at 23°C (73°F), while January is the coldest at 9°C (48°F).
The city receives around 812 mm (32 in) of rain/snowfall per year. It experiences warm summers and cold winters. October is the wettest month and March the driest. July is the sunniest month, averaging 7.4 hours of sunshine per day.
Winchester Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Winchester - and find the best time to visit.
Monthly Temperature in Winchester
The climate in Winchester is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a comfortable 23°C (73°F) in July to a chilly 9°C (48°F) in January.
Nighttime temperatures range from 13°C (55°F) in July to 3°C (37°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Winchester
Generally, Winchester receives mid-range precipitation levels, with 812 mm (32 in) annually. The wettest period in Winchester occurs in October, which receives around 79 mm (3.1 in) of precipitation. During the driest month, March, Winchester experiences moderate rainfall, totaling 54 mm (2.1 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our Winchester Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Winchester
In Winchester, summer days are longer and more sunny, with daily sunshine hours peaking at 7.4 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.8 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Southampton, the United Kingdom (18 KM, 11 Miles).
Daily hours of sunshine
Data from: Southampton, the United Kingdom (18 KM, 11 Miles).
Daily percentage of sunshine
Data from: Southampton, the United Kingdom (18 KM, 11 Miles).
Water Temperature in Winchester
The mean water temperature over the year ranges from 9°C (48°F) in March to 17°C (63°F) in September.
Water temperature over the year
Data from: Southampton, the United Kingdom (18 KM, 11 Miles).
Humidity in Winchester by Month
The city experiences its highest humidity in January, reaching 91%. In April, the humidity drops to its lowest level at 73%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: Southampton, the United Kingdom (18 KM, 11 Miles).
Best Time to Visit Winchester
The most comfortable overall weather for exploring Winchester is usually found in June, July, August and September. Conditions are generally least comfortable in January, February and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
cold
Feb
cold
Mar
mixed
Apr
good
May
very good
Jun
excellent
Jul
excellent
Aug
excellent
Sep
excellent
Oct
good
Nov
mixed
Dec
cold
- Best overall: June, July, August and September
- Warmest weather: July and August
- Most sunshine: May, June and July
- Fewest rainy days: June, July, August and September
- Warmest water temperature: August, September and October, although the water may still feel cool.
- Seasonal pattern: Warm summers and cold winters
Frequently asked questions about the climate in Winchester
What is the best time to visit Winchester?
June, July, August and September typically offer the most optimal weather in Winchester. In contrast, January, February and December tend to have less optimal conditions. Winchester has warm summers and cold winters.
What temperatures can I expect in Winchester?
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 Winchester get?
Annual rainfall is around 812 mm (32 in). October is the wettest month with 79 mm (3.1 in), while March is the driest with 54 mm (2.1 in).
How sunny is Winchester?
Winchester receives around 1,694 hours of sunshine per year. July is the sunniest month with 222 hours, while December is the cloudiest with just 54 hours.
Winchester 3-Day Forecast
Winchester on the map
Winchester is highlighted - select any city to see its climate.
Popular in October
Where to go in October - average daytime high across popular destinations.
London
16°C (61°F) Bath15°C (59°F) Torquay16°C (61°F) Manchester14°C (57°F) York15°C (59°F) Blackpool
15°C (59°F) Edinburgh13°C (55°F) Glasgow14°C (57°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
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