West Sayville Weather in July

What's the weather like in West Sayville (New York) in July 2025?

The climate in West Sayville during July can be summarized as hot, humid and a little damp.

July is in the summer in West Sayville and is typically the warmest month of the year. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 18°C (65°F) is normal.

West Sayville weather averages (imperial / metric)
Daytime temperature 27.8°C 82°F
Nightly temperature 18.3°C 64.9°F
Average temperature 23°C 73.4°F
Daily sunshine 9.4 hrs
Avg rainfall 88 mm 3.4 ins
Rainy days 9 days
Sea temperature 21.8°C 71.3°F
Humidity 74%
Windspeed 15.8kph 10 mph

On average July is the 4th driest month of the year in West Sayville with around 88mm 3.4 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.4 hours of sunshine per day.

July temperatures in West Sayville

West Sayville average temperature in July

July rainfall

West Sayville average rain in July

July hourly sunshine

West Sayville average rain in July

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in West Sayville in July 2025.

Other monthly averages

Best places to visit in July

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

West Sayville weather stats

West Sayville weather statistics
Hottest month: July 27.5°C 81.5°F
Driest month: June 84mm 3.3ins
Sunniest month: October 7.5hrs
Coldest month: January 3.2°C 37.8°F
Wettest month: March 107mm 4.2ins
Map showing location of West Sayville (40.72788, -73.09761) West Sayville map pin © Google

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