Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
West Haven (CT) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit West Haven.
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Climate overview of West Haven
Temperatures in West Haven, Connecticut, United States of America, vary greatly throughout the year. July is the hottest month at 29°C (84°F), while January is the coldest at 4°C (39°F).
The city receives considerable rain/snowfall, with around 1261 mm (50 in) annually. June is the wettest month. It has warm summers and cold winters. Sunshine peaks in July, when the city sees around 9.8 hours of sunshine per day.
West Haven Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in West Haven - and find the best time to visit.
Monthly Temperature in West Haven
The climate in West Haven is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a comfortable 29°C (84°F) in July to a chilly 4°C (39°F) in the coolest month, January.
Nights vary from 20°C (68°F) in July to around -5°C (23°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in West Haven
West Haven has a notably wet climate with abundant precipitation, recording 1261 mm (50 in) of rain/snowfall per year. Precipitation levels in West Haven remain relatively steady throughout the year. June has the most rain, with 130 mm (5.1 in) over 14 days. In the driest month November, this drops slightly to 86 mm (3.4 in), making the city's climate fairly predictable. For more details, please visit our West Haven 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 West Haven
For those who appreciate different seasons, West Haven serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 9.8 hours of sunshine daily, and embrace the darker days in November, offering only 4.6 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Hartford, the United States of America (58 KM, 36 Miles).
Daily hours of sunshine
Data from: Hartford, the United States of America (58 KM, 36 Miles).
Daily percentage of sunshine
Data from: Hartford, the United States of America (58 KM, 36 Miles).
Humidity in West Haven by Month
The relative humidity is high throughout the year in West Haven.
The city experiences its highest humidity in September, reaching 72%. In April, the humidity drops to its lowest level at 58%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: Hartford, the United States of America (58 KM, 36 Miles).
Best Time to Visit West Haven
Conditions in West Haven are generally most comfortable in July and September. They are typically least comfortable in January, February, March 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
wet
Apr
mixed
May
very good
Jun
very good
Jul
excellent
Aug
very good
Sep
excellent
Oct
good
Nov
mixed
Dec
wet
- Best overall: July and September
- Warmest weather: July and August
- Most sunshine: July
- Fewer rainy days: February, March, April, September and November
- Seasonal pattern: Warm summers and cold winters
- Coldest conditions: January, with freezing nights around -5°C (23°F).
Frequently asked questions about the climate in West Haven
What is the best time to visit West Haven?
July and September typically offer the most optimal weather in West Haven. In contrast, January, February, March and December tend to have less optimal conditions. West Haven has warm summers and cold winters.
What temperatures can I expect in West Haven?
Daytime highs range from 4°C (39°F) in January to 29°C (84°F) in July. Nighttime lows range from -5°C (23°F) to 20°C (68°F). Temperatures vary considerably through the year.
How much rain does West Haven get?
Annual rainfall is around 1261 mm (50 in). June is the wettest month with 130 mm (5.1 in), while November is the driest with 86 mm (3.4 in).
How sunny is West Haven?
West Haven receives around 2,579 hours of sunshine per year. July is the sunniest month with 293 hours, while November is the cloudiest with just 139 hours. Overall, West Haven enjoys abundant sunshine.
West Haven 3-Day Forecast
West Haven on the map
West Haven is highlighted - select any city to see its climate.
Popular in October
Where to go in October - average daytime high across popular destinations.
Miami Beach
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29°C (84°F) Destin26°C (79°F) Los Angeles24°C (75°F) New York City19°C (66°F) Big Bear Lake19°C (66°F) Bucket list
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