June weather forecastWest Sayville, NY
June
Weather in June
June, the first month of the summer in West Sayville, is a pleasant month, with an average temperature ranging between min 63.5°F (17.5°C) and max 70.7°F (21.5°C).Temperature
The arrival of June signals an increase in the average high-temperature, moving from an enjoyable 61.2°F (16.2°C) in May to a pleasant 70.7°F (21.5°C). West Sayville experiences a minimal drop from daytime high temperatures, recording an average low-temperature of 63.5°F (17.5°C) throughout June.Humidity
The months with the highest humidity are May and June, with an average relative humidity of 78%.Rainfall
In West Sayville, during June, the rain falls for 14.8 days and regularly aggregates up to 2.8" (71mm) of precipitation. In West Sayville, New York, during the entire year, the rain falls for 155.3 days and collects up to 34.84" (885mm) of precipitation.Snowfall
April, June through September and November are months without snowfall.Ocean temperature
In West Sayville, the average seawater temperature in June is 64.6°F (18.1°C).Note: In water with a temperature of 64.6°F (18.1°C), swimming is not a joy for most people. The challenge of controlling breathing increases as the temperature dips from 69.8°F (21°C) to 59°F (15°C).
Daylight
The month with the longest days in West Sayville is June, with an average of 15h and 0min of daylight.On the first day of the month, sunrise is at 5:22 am and sunset at 8:17 pm. On the last day of June, sunrise is at 5:24 am and sunset at 8:27 pm EDT.
Sunshine
The average sunshine in June in West Sayville is 10h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The daily maximum UV index of 6 in June interprets into the following advice:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
West Sayville, NY
- Average high temperature in June: 70.7°F
The warmest month (with the highest average high temperature) is August (78.1°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in June: 63.5°F
The month with the highest average low temperature is August (71.8°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure in June
West Sayville, NY
- Average pressure in June: 29.93"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in June
West Sayville, NY
- Average wind speed in June: 9.3mph
The windiest month (with the highest average wind speed) is January (13.8mph).
The calmest months (with the lowest average wind speed) are July and August (9mph).
Average humidity in June
West Sayville, NY
- Average humidity in June: 78%
The months with the highest relative humidity are May and June (78%).
The month with the lowest relative humidity is November (71%).
Average rainfall in June
West Sayville, NY
- Average rainfall in June: 2.8"
The wettest month (with the highest rainfall) is December (3.74").
The driest month (with the least rainfall) is January (2.17").
Average rainfall days in June
West Sayville, NY
- Average rainfall days in June: 14.8 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in June
West Sayville, NY
- Average snowfall in June: 0"
The month with the highest snowfall is March (2.13").
The months with the least snowfall are April, June, July, August, September and November (0").
Average snowfall days in June
West Sayville, NY
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is February (4.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in June
West Sayville, NY
- Average sea temperature in June: 64.6°F
The best month for swimming (with the highest average sea temperature) is August (74°F).
The coldest month (with the lowest average sea temperature) is February (39.7°F).
Average daylight in June /
Average sunshine in June
West Sayville, NY
- Average daylight in June: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in June: 10h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in June
West Sayville, NY
- Average sunshine days in June: 12.8 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in June
West Sayville, NY
- Average UV index in June: 6
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).
Average cloud cover in June
West Sayville, NY
- Average cloud cover in June: 33
The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in June
West Sayville, NY
- Average visibility in June: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





