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 an increase in the average high-temperature, progressing from a mild 55.4°F (13°C) in April to a still refreshing 67.3°F (19.6°C). Throughout May, the nighttime temperature averages to a frosty 47.7°F (8.7°C).Humidity
In May, the average relative humidity is 76%.Rainfall
In Wales, in May, it is raining for 15.9 days, with typically 2.52" (64mm) of accumulated precipitation. In Wales, during the entire year, the rain falls for 148.3 days and collects up to 29.21" (742mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Wales. May is the last month it regularly snows. During 0.1 snowfall days, in May, Wales aggregates 0.28" (7mm) of snow. Throughout the year, there are 35.3 snowfall days, and 19.53" (496mm) of snow is accumulated.Daylight
In Wales, Massachusetts, the average length of the day in May is 14h and 35min.On the first day of the month, sunrise is at 5:43 am and sunset at 7:48 pm. On the last day of May, sunrise is at 5:15 am and sunset at 8:17 pm EDT.
Sunshine
In Wales, the average sunshine in May is 8h.UV index
The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 5 during May translates into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Wales in May?
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?
What time are sunrise and sunset in May?
How many hours of sunshine does Wales have in May?
What is the UV index intensity in May?
Average temperature in May
Wales, MA
- Average high temperature in May: 67.3°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in May: 47.7°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 (19°F).
Average pressure in May
Wales, MA
- 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
Wales, MA
- Average wind speed in May: 6.9mph
The windiest months (with the highest average wind speed) are January and February (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in May
Wales, MA
- Average humidity in May: 76%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (73%).
Average rainfall in May
Wales, MA
- Average rainfall in May: 2.52"
The wettest month (with the highest rainfall) is July (2.76").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in May
Wales, MA
- Average rainfall days in May: 15.9 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is January (7.1 days).
Average snowfall in May
Wales, MA
- Average snowfall in May: 0.28"
The month with the highest snowfall is February (4.88").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Wales, MA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Wales, 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 0min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in May
Wales, MA
- Average sunshine days in May: 13.9 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is June (13.1 days).
Average UV index in May
Wales, MA
- Average UV index in May: 5
The months with the highest UV index are June and July (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
Wales, MA
- Average cloud cover in May: 50
The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in May
Wales, MA
- Average visibility in May: 5mi
The months with the highest visibility are March, April, November and December (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September and October (5mi).
Wales, Massachusetts, USA
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