May weather forecastMiddle Island, NY
May
Weather in May
May, the last month of the spring in Middle Island, is a comfortable month, with an average temperature varying between 53.6°F (12°C) and 61.5°F (16.4°C).Temperature
Entering May, Middle Island sees a temperature rise, with the average high-temperature advancing from April's fresh 52.3°F (11.3°C) to a refreshing 61.5°F (16.4°C). In Middle Island, May's low temperatures hover around a cool 53.6°F (12°C), reflecting a minor decrease from the daytime highs.Humidity
May and June, with an average relative humidity of 78%, are the most humid months.Rainfall
In Middle Island, in May, during 15.8 rainfall days, 2.87" (73mm) of precipitation is typically accumulated. Throughout the year, there are 153 rainfall days, and 35.04" (890mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, May and December. May is the first month it typically snows in Middle Island. Throughout May, in the average 0.1 snowfall days, it receives 0.2" (5mm) of snow. In Middle Island, during the entire year, snow falls for 14.9 days and aggregates up to 5.71" (145mm) of snow.Daylight
In Middle Island, the average length of the day in May is 14h and 29min.On the first day of the month, sunrise is at 5:48 am and sunset at 7:48 pm. On the last day of May, sunrise is at 5:22 am and sunset at 8:16 pm EDT.
Sunshine
In May, the average sunshine is 8.7h.UV index
In Middle Island, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The average daily UV index of 5 in May transforms into the following instructions:
Take necessary precautions - Protection from skin and eye injury is mandatory. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Middle Island, NY
- Average high temperature in May: 61.5°F
The warmest months (with the highest average high temperature) are July and August (78.3°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in May: 53.6°F
The months with the highest average low temperature are July and August (70.9°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).
Average pressure in May
Middle Island, 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
Middle Island, NY
- Average wind speed in May: 9.9mph
The windiest month (with the highest average wind speed) is January (13.5mph).
The calmest month (with the lowest average wind speed) is July (8.7mph).
Average humidity in May
Middle Island, NY
- Average humidity in May: 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 May
Middle Island, NY
- Average rainfall in May: 2.87"
The wettest month (with the highest rainfall) is December (3.82").
The driest month (with the least rainfall) is January (2.24").
Average rainfall days in May
Middle Island, NY
- Average rainfall days in May: 15.8 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is January (8 days).
Average snowfall in May
Middle Island, NY
- Average snowfall in May: 0.2"
The month with the highest snowfall is March (2.17").
The months with the least snowfall are April, June, July, August, September, October and November (0").
Average snowfall days in May
Middle Island, NY
- Average snowfall days in May: 0.1 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, September and October (0 days).
Average daylight in May /
Average sunshine in May
Middle Island, NY
- Average daylight in May: 14h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 8h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in May
Middle Island, NY
- Average sunshine days in May: 13.9 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is August (12.5 days).
Average UV index in May
Middle Island, 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
Middle Island, NY
- Average cloud cover in May: 43
The month with the most cloud cover is December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in May
Middle Island, 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).
