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
As Willimantic transitions into May, the average high-temperature shows a marked escalation, increasing from a frosty 46.9°F (8.3°C) in April to a refreshing 61.7°F (16.5°C). In the month of May, Willimantic's average low-temperature falls to a wintry 41.7°F (5.4°C).Humidity
May is the least humid month, with an average relative humidity of 76%.Rainfall
In Willimantic, in May, during 15.8 rainfall days, 2.01" (51mm) of precipitation is typically accumulated. Throughout the year, there are 152.4 rainfall days, and 20.83" (529mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.4 snowfall days, in May, Willimantic aggregates 0.12" (3mm) of snow. Throughout the year, there are 71.8 snowfall days, and 27.28" (693mm) of snow is accumulated.Daylight
In Willimantic, the average length of the day in May is 14h and 54min.On the first day of May, sunrise is at 5:24 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 4:53 am and sunset at 8:17 pm EDT.
Sunshine
In May, the average sunshine in Willimantic is 7.7h.UV index
In May, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 4 in May translates into these instructions:
Take precautions - Protection against sunburn is recommended. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Enhance your sun protection with tightly woven, yet airy clothing. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the least humid month in Willimantic?
What is the average humidity in May?
How many days does it rain in May?
What is the last month it snows in Willimantic?
What is the average length of the day in May?
When are sunrise and sunset in May in Willimantic?
How long on average sun shines in May?
How high is the UV index in May?
Average temperature in May
Willimantic, ME
- Average high temperature in May: 61.7°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (23.4°F).
- Average low temperature in May: 41.7°F
The month with the highest average low temperature is July (55.6°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in May
Willimantic, ME
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is September (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Willimantic, ME
- Average wind speed in May: 6.6mph
The windiest month (with the highest average wind speed) is March (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in May
Willimantic, ME
- Average humidity in May: 76%
The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is May (76%).
Average rainfall in May
Willimantic, ME
- Average rainfall in May: 2.01"
The wettest month (with the highest rainfall) is April (2.24").
The driest months (with the least rainfall) are February and March (1.22").
Average rainfall days in May
Willimantic, ME
- Average rainfall days in May: 15.8 days
The month with the highest number of rainy days is June (16.7 days).
The month with the least rainy days is February (7.7 days).
Average snowfall in May
Willimantic, ME
- Average snowfall in May: 0.12"
The month with the highest snowfall is February (5.71").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Willimantic, ME
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is February (16.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Willimantic, ME
- Average daylight in May: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in May: 7h and 4min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in May
Willimantic, ME
- Average sunshine days in May: 11.5 days
The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is April (10.4 days).
Average UV index in May
Willimantic, ME
- Average UV index in May: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in May
Willimantic, ME
- Average cloud cover in May: 53
The month with the most cloud cover is February (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 41).
Average visibility in May
Willimantic, ME
- Average visibility in May: 5mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February and March (4mi).
Willimantic, Maine, USA
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