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 brings a temperature change, with average high-temperatures moving from April's fresh 54°F (12.2°C) to a comfortable 66.2°F (19°C). Westminster's May nights cool down to an average low-temperature of 47.1°F (8.4°C).Humidity
In May, the average relative humidity is 75%.Rainfall
In Westminster, Massachusetts, in May, it is raining for 12.8 days, with typically 1.06" (27mm) of accumulated precipitation. Throughout the year, there are 119.4 rainfall days, and 12.44" (316mm) 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, Westminster aggregates 0.24" (6mm) of snow. In Westminster, during the entire year, snow falls for 41.1 days and aggregates up to 13.27" (337mm) of snow.Daylight
In May, the average length of the day is 14h and 38min.On the first day of the month, sunrise is at 5:41 am and sunset at 7:48 pm. On the last day of May, sunrise is at 5:12 am and sunset at 8:18 pm EDT.
Sunshine
In May, the average sunshine is 8h.UV index
The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In May, the maximum UV index of 5 translates into these guidelines:
Take precautions - Protection against sunburn is recommended. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
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?
How many hours of daylight does Westminster have in May?
When are sunrise and sunset in May in Westminster?
How long on average sun shines in May?
How high is the UV index in May?
Average temperature in May
Westminster, MA
- Average high temperature in May: 66.2°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in May: 47.1°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).
Average pressure in May
Westminster, MA
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Westminster, MA
- Average wind speed in May: 6.8mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in May
Westminster, MA
- Average humidity in May: 75%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (73%).
Average rainfall in May
Westminster, MA
- Average rainfall in May: 1.06"
The wettest months (with the highest rainfall) are June and July (1.3").
The driest month (with the least rainfall) is February (0.71").
Average rainfall days in May
Westminster, MA
- Average rainfall days in May: 12.8 days
The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in May
Westminster, MA
- Average snowfall in May: 0.24"
The month with the highest snowfall is March (2.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Westminster, MA
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Westminster, MA
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 8h and 0min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in May
Westminster, MA
- Average sunshine days in May: 15.2 days
The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is April (14.3 days).
Average UV index in May
Westminster, MA
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in May
Westminster, MA
- Average cloud cover in May: 50
The month with the most cloud cover is March (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in May
Westminster, MA
- Average visibility in May: 5mi
The months with the highest visibility are April, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and October (5mi).
Westminster, Massachusetts, USA
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