May weather forecastCopiague, NY
May
Weather in May
The last month of the spring, May, is an enjoyable month in Copiague, New York, with an average temperature fluctuating between 54.7°F (12.6°C) and 62.1°F (16.7°C).Temperature
An increase in the average high-temperature marks May, moving from April's cool 52.7°F (11.5°C) to a comfortable 62.1°F (16.7°C). Copiague welcomes an average low temperature of 54.7°F (12.6°C) in May, a gentle shift from the day's high.Humidity
May is the most humid month, with an average relative humidity of 78%.Rainfall
In Copiague, in May, during 15.3 rainfall days, 2.68" (68mm) of precipitation is typically accumulated. Throughout the year, in Copiague, there are 158.8 rainfall days, and 31.38" (797mm) of precipitation is accumulated.Snowfall
In Copiague, snow does not fall in May through September.Daylight
In May, the average length of the day is 14h and 28min.On the first day of the month, sunrise is at 5:51 am and sunset at 7:50 pm. On the last day of May, in Copiague, sunrise is at 5:24 am and sunset at 8:18 pm EDT.
Sunshine
In May, the average sunshine is 9h.UV index
In Copiague, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A daily high UV index of 5 in May leads to these guidelines:
Undertake protective steps - Preventing sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Copiague, NY
- Average high temperature in May: 62.1°F
The warmest months (with the highest average high temperature) are July and August (78.4°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in May: 54.7°F
The months with the highest average low temperature are July and August (72°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure in May
Copiague, NY
- Average pressure in May: 30.01"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 May
Copiague, NY
- Average wind speed in May: 10.3mph
The windiest month (with the highest average wind speed) is January (13.9mph).
The calmest month (with the lowest average wind speed) is July (9.1mph).
Average humidity in May
Copiague, NY
- Average humidity in May: 78%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is November (71%).
Average rainfall in May
Copiague, NY
- Average rainfall in May: 2.68"
The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is January (1.89").
Average rainfall days in May
Copiague, NY
- Average rainfall days in May: 15.3 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in May
Copiague, NY
- Average snowfall in May: 0"
The month with the highest snowfall is March (1.34").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Copiague, NY
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Copiague, NY
- Average daylight in May: 14h and 30min
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 May: 9h 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 May
Copiague, NY
- Average sunshine days in May: 14.1 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in May
Copiague, NY
- Average UV index in May: 5
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 May
Copiague, NY
- Average cloud cover in May: 41
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 May
Copiague, NY
- Average visibility in May: 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).
