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Cowes Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Cowes.
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Climate overview of Cowes
Temperatures in Cowes, Isle of Wight, United Kingdom, vary greatly throughout the year. July is the hottest month at 22°C (72°F), while January is the coldest at 10°C (50°F).
Annual rainfall is moderate at around 804 mm (32 in), with November being the wettest month. The city also has warm summers and cold winters. Sunshine peaks in July, when the city sees around 7.4 hours of sunshine per day.
Cowes Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Cowes - and find the best time to visit.
Monthly Temperature in Cowes
The climate in Cowes is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures reach a comfortable 22°C (72°F) in July. In January, the coolest month of the year, temperatures drop to a chilly 10°C (50°F).
At night, temperatures range from around 15°C (59°F) in July to 4°C (39°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Cowes
Generally, Cowes receives mid-range precipitation levels, with 804 mm (32 in) annually. Cowes experiences moderate seasonal variation in rainfall, with monthly averages ranging from 89 mm (3.5 in) in November, the wettest month, and 53 mm (2.1 in) in March, the driest month. For more details, please visit our Cowes 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 Cowes
Cowes can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 7.4 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.8 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Southampton, the United Kingdom (17 KM, 11 Miles).
Daily hours of sunshine
Data from: Southampton, the United Kingdom (17 KM, 11 Miles).
Daily percentage of sunshine
Data from: Southampton, the United Kingdom (17 KM, 11 Miles).
Water Temperature in Cowes
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 (17 KM, 11 Miles).
Humidity in Cowes 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 (17 KM, 11 Miles).
Best Time to Visit Cowes
Conditions in Cowes are generally most comfortable in June, July, August and September. They are typically 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
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 and August
- 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 Cowes
What is the best time to visit Cowes?
June, July, August and September typically offer the most optimal weather in Cowes. In contrast, January, February and December tend to have less optimal conditions. Cowes has warm summers and cold winters.
What temperatures can I expect in Cowes?
Daytime highs range from 10°C (50°F) in January to 22°C (72°F) in July. Nighttime lows range from 4°C (39°F) to 15°C (59°F). Temperatures vary considerably through the year.
How much rain does Cowes get?
Annual rainfall is around 804 mm (32 in). November is the wettest month with 89 mm (3.5 in), while March is the driest with 53 mm (2.1 in).
How sunny is Cowes?
Cowes 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.
Cowes 3-Day Forecast
Cowes on the map
Cowes 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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