Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
With the onset of May, Stonington's average high-temperature sees a rise, moving from April's cool 52.5°F (11.4°C) to an enjoyable 62.6°F (17°C). May brings with it a nighttime average temperature of 50.7°F (10.4°C).Humidity
In Stonington, the average relative humidity in May is 79%.Rainfall
In May, the rain falls for 16.6 days. Throughout May, 2.6" (66mm) of precipitation is accumulated. In Stonington, during the entire year, the rain falls for 166.1 days and collects up to 34.09" (866mm) of precipitation.Snowfall
In Stonington, snow does not fall in May through September.Daylight
The average length of the day in May is 14h and 31min.On the first day of the month, sunrise is at 5:43 am and sunset at 7:45 pm. On the last day of May, sunrise is at 5:16 am and sunset at 8:14 pm EDT.
Sunshine
In Stonington, Connecticut, the average sunshine in May is 8.6h.UV index
In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: A daily high UV index of 5 in May leads to these guidelines:
Be vigilant - Suggestions to stave off sun damage are provided. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the average humidity in May?
How much does it rain in Stonington in May?
When it does not snow?
Does it snow in May?
What is the average length of the day in May in Stonington?
When are sunrise and sunset in May?
How many hours of sunshine does Stonington have in May?
What is the UV index reading in May?
Average temperature in May
Stonington, CT
- Average high temperature in May: 62.6°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (36.5°F).
- Average low temperature in May: 50.7°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).
Average pressure in May
Stonington, 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
Stonington, CT
- Average wind speed in May: 9.6mph
The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).
Average humidity in May
Stonington, CT
- Average humidity in May: 79%
The month with the highest relative humidity is June (81%).
The months with the lowest relative humidity are January, March, April and November (74%).
Average rainfall in May
Stonington, CT
- Average rainfall in May: 2.6"
The wettest month (with the highest rainfall) is December (3.86").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in May
Stonington, CT
- Average rainfall days in May: 16.6 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is February (10.1 days).
Average snowfall in May
Stonington, CT
- Average snowfall in May: 0"
The month with the highest snowfall is March (2.44").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Stonington, CT
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (6.8 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
Stonington, CT
- Average daylight in May: 14h and 3min
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 4min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in May
Stonington, CT
- Average sunshine days in May: 12.2 days
The month with the most sunshine days is November (16.5 days).
The months with the least sunshine days are June and July (11.7 days).
Average UV index in May
Stonington, 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 and December (UV index 2).
Average cloud cover in May
Stonington, CT
- Average cloud cover in May: 43
The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in May
Stonington, CT
- 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).
Stonington, Connecticut, USA
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