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 arrival brings a temperature shift, moving from a mild 55.4°F (13°C) in April to an enjoyable 67.3°F (19.6°C). Nighttime temperatures hover around an average low of 47.7°F (8.7°C) in May.Humidity
The average relative humidity in May is 76%.Rainfall
In Wales, in May, it is raining for 15.9 days, with typically 2.52" (64mm) of accumulated precipitation. In Wales, Massachusetts, during the entire year, the rain falls for 148.3 days and collects up to 29.21" (742mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Wales, Massachusetts. During 0.1 snowfall days, in May, Wales aggregates 0.28" (7mm) of snow. In Wales, during the entire year, snow falls for 35.3 days and aggregates up to 19.53" (496mm) of snow.Daylight
In May, the average length of the day is 14h and 35min.On the first day of May in Wales, sunrise is at 5:43 am and sunset at 7:48 pm. On the last day of the month, 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
In Wales, Massachusetts, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: An average maximum UV index of 5 in May leads to these recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
What is the average May temperature in Wales?
What is the average humidity in May in Wales?
How much does it rain in Wales in May?
What is the last month it snows in Wales?
How many hours of daylight does Wales have in May?
What time are sunrise and sunset in May in Wales?
How many hours of sunshine does Wales have in May?
What is the UV index intensity in May in Wales?
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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