Westbury (NY) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Westbury.
Climate overview of Westbury
The climate in Westbury, New York State, United States of America, is marked by large temperature swings across the seasons, ranging from 30°C (86°F) in July to 5°C (41°F) in January.
With around 1177 mm (46 in) of annual rain/snowfall, Westbury has a notably wet climate. However, this rain/snowfall is not evenly distributed, the city has warm summers and cold winters. The wettest month is December. The most sunshine falls in July, with an average of 9.0 hours of daily sunshine.
Westbury Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Westbury - and find the best time to visit.
Monthly Temperature in Westbury
In Westbury, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a comfortable 30°C (86°F) in July. In January, the coolest month of the year, temperatures drop to a chilly 5°C (41°F).
At night, temperatures range from around 20°C (68°F) in July to -4°C (25°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Westbury
Westbury experiences significant rain/snowfall throughout the year, averaging 1177 mm (46 in) of precipitation annually. Westbury experiences moderate seasonal variation in rainfall, with monthly averages ranging from 124 mm (4.9 in) in December, the wettest month, and 68 mm (2.7 in) in November, the driest month. For more details, please visit our Westbury 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 Westbury
Westbury can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 9.0 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 4.7 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Westbury by Month
The relative humidity is high throughout the year in Westbury.
The city experiences its highest humidity in September, reaching 68%. In April, the humidity drops to its lowest level at 55%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Westbury
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May and September
- Warmest weather: July and August
- Most sunshine: May, June, July and August
- Seasonal pattern: Warm summers and cold winters
- Coldest conditions: January, with freezing nights around -4°C (25°F).
Frequently asked questions about the climate in Westbury
What is the best time to visit Westbury?
May and September typically offer the most optimal weather in Westbury. In contrast, January, February, March and December tend to have less optimal conditions. Westbury has warm summers and cold winters.
What temperatures can I expect in Westbury?
Daytime highs range from 5°C (41°F) in January to 30°C (86°F) in July. Nighttime lows range from -4°C (25°F) to 20°C (68°F). Temperatures vary considerably through the year.
How much rain does Westbury get?
Annual rainfall is around 1177 mm (46 in). December is the wettest month with 124 mm (4.9 in), while November is the driest with 68 mm (2.7 in).
How sunny is Westbury?
Westbury receives around 2,544 hours of sunshine per year. July is the sunniest month with 271 hours, while December is the cloudiest with just 141 hours. Overall, Westbury enjoys abundant sunshine.
Westbury 3-Day Forecast
Westbury (NY) 3-Day Forecast
Westbury on the map
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