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
May's onset is marked by a temperature increase, moving from a moderate 55.4°F (13°C) in April to a comfortable 65.7°F (18.7°C). Camp Welch witnesses a consistent average low-temperature of 50°F (10°C) throughout May.Humidity
In May, the average relative humidity is 76%.Rainfall
In Camp Welch, in May, during 14.9 rainfall days, 2.01" (51mm) of precipitation is typically accumulated. Throughout the year, there are 146.7 rainfall days, and 29.17" (741mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall in Camp Welch. May is the last month it regularly snows. During 0.1 snowfall days, in May, Camp Welch aggregates 0.16" (4mm) of snow. In Camp Welch, during the entire year, snow falls for 26.8 days and aggregates up to 13.66" (347mm) of snow.Daylight
In May, the average length of the day is 14h and 34min.On the first day of May, sunrise is at 5:39 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 5:11 am and sunset at 8:12 pm EDT.
Sunshine
In Camp Welch, the average sunshine in May is 8.3h.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 unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 5 in May translates into this advice:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
When is the sunrise / sunset in May?
How long on average sun shines in May?
How high is the UV index in May?
Average temperature in May
Camp Welch, MA
- Average high temperature in May: 65.7°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (35.6°F).
- Average low temperature in May: 50°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).
Average pressure in May
Camp Welch, MA
- Average pressure in May: 30.01"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Camp Welch, MA
- Average wind speed in May: 8mph
The windiest month (with the highest average wind speed) is March (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in May
Camp Welch, MA
- Average humidity in May: 76%
The months with the highest relative humidity are June, July and September (78%).
The month with the lowest relative humidity is April (72%).
Average rainfall in May
Camp Welch, MA
- Average rainfall in May: 2.01"
The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is September (1.34").
Average rainfall days in May
Camp Welch, MA
- Average rainfall days in May: 14.9 days
The month with the highest number of rainy days is April (16 days).
The month with the least rainy days is February (8.5 days).
Average snowfall in May
Camp Welch, MA
- Average snowfall in May: 0.16"
The months with the highest snowfall are February and March (3.62").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Camp Welch, MA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (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
Camp Welch, MA
- Average daylight in May: 14h and 4min
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 2min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in May
Camp Welch, MA
- Average sunshine days in May: 14.5 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is April (12.8 days).
Average UV index in May
Camp Welch, MA
- 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
Camp Welch, MA
- Average cloud cover in May: 46
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in May
Camp Welch, MA
- 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).
Camp Welch, Massachusetts, USA
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