May weather forecastSterling, CT
May
Weather in May
The last month of the spring, May, is a comfortable month in Sterling, Connecticut, with an average temperature fluctuating between 49.5°F (9.7°C) and 66.2°F (19°C).Temperature
The shift from April to May sees an increase in the average high-temperature, transitioning from a refreshing 55.6°F (13.1°C) to an enjoyable 66.2°F (19°C). Sterling sees an average low-temperature of 49.5°F (9.7°C) during May.Humidity
In May, the average relative humidity is 77%.Rainfall
In Sterling, in May, during 16.6 rainfall days, 2.76" (70mm) of precipitation is typically accumulated. In Sterling, during the entire year, the rain falls for 163.2 days and collects up to 33.7" (856mm) of precipitation.Snowfall
January through May, November and December are months with snowfall in Sterling. May is the last month it regularly snows in Sterling. During 0.2 snowfall days, in May, Sterling aggregates 0.28" (7mm) of snow. Throughout the year, in Sterling, there are 29.7 snowfall days, and 12.99" (330mm) of snow is accumulated.Daylight
In Sterling, the average length of the day in May is 14h and 34min.On the first day of May, sunrise is at 5:42 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 5:15 am and sunset at 8:15 pm EDT.
Sunshine
In Sterling, Connecticut, the average sunshine in May is 8.3h.UV index
In Sterling, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In May, an average UV index of 5 transforms into the following instructions:
Take precautions - Protection against skin and eye damage is obliged. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Sterling, CT
- Average high temperature in May: 66.2°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in May: 49.5°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in May
Sterling, CT
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Sterling, CT
- Average wind speed in May: 7.5mph
The windiest months (with the highest average wind speed) are January and March (9.4mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in May
Sterling, CT
- Average humidity in May: 77%
The months with the highest relative humidity are February, June, July and September (79%).
The month with the lowest relative humidity is April (72%).
Average rainfall in May
Sterling, CT
- Average rainfall in May: 2.76"
The wettest month (with the highest rainfall) is December (3.39").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in May
Sterling, CT
- Average rainfall days in May: 16.6 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 May
Sterling, CT
- Average snowfall in May: 0.28"
The month with the highest snowfall is March (3.62").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Sterling, CT
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is February (7.7 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
Sterling, CT
- Average daylight in May: 14h and 36min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in May: 8h and 18min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in May
Sterling, CT
- Average sunshine days in May: 12 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in May
Sterling, CT
- 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, November and December (UV index 2).
Average cloud cover in May
Sterling, CT
- Average cloud cover in May: 47
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in May
Sterling, CT
- Average visibility in May: 5mi
The months with the highest visibility are January, February, March, April, September, October, November and December (6mi).
The months with the lowest visibility are May, June, July and August (5mi).
