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
The shift into May is characterized by a rise in the average high-temperature, transitioning from April's mild 55.9°F (13.3°C) to a comfortable 66.7°F (19.3°C). Throughout May, the temperature in Chartley tends to fall to a consistent average low of 49.6°F (9.8°C).Humidity
In May, the average relative humidity is 75%.Rainfall
In Chartley, during May, the rain falls for 15.8 days and regularly aggregates up to 2.17" (55mm) of precipitation. In Chartley, Massachusetts, during the entire year, the rain falls for 149.9 days and collects up to 29.09" (739mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Chartley aggregates 0.28" (7mm) of snow. Throughout the year, in Chartley, there are 29.8 snowfall days, and 14.13" (359mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 35min.On the first day of May, sunrise is at 5:39 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 5:12 am and sunset at 8:13 pm EDT.
Sunshine
In May, the average sunshine in Chartley is 8.3h.UV index
In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: In May, a daily maximum UV index of 5 leads to the following instructions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Frequently asked questions
What are the temperatures in Chartley in May?
What is the average humidity in May in Chartley?
How many days does it rain in May in Chartley?
What is the last month it snows in Chartley?
How many hours of daylight does Chartley have in May?
When is the sunrise / sunset in May in Chartley?
How long on average sun shines in May in Chartley?
What is the UV index intensity in May in Chartley?
Average temperature in May
Chartley, MA
- Average high temperature in May: 66.7°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in May: 49.6°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in May
Chartley, 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
Chartley, MA
- Average wind speed in May: 7.6mph
The windiest months (with the highest average wind speed) are February and March (9.3mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in May
Chartley, MA
- Average humidity in May: 75%
The months with the highest relative humidity are February, June, September and October (78%).
The month with the lowest relative humidity is April (71%).
Average rainfall in May
Chartley, MA
- Average rainfall in May: 2.17"
The wettest month (with the highest rainfall) is April (3.11").
The driest month (with the least rainfall) is September (1.34").
Average rainfall days in May
Chartley, MA
- Average rainfall days in May: 15.8 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in May
Chartley, MA
- Average snowfall in May: 0.28"
The month with the highest snowfall is March (4.06").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Chartley, MA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (7.8 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
Chartley, 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 42min).
Average sunshine days in May
Chartley, MA
- Average sunshine days in May: 13.3 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is April (12.8 days).
Average UV index in May
Chartley, 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
Chartley, MA
- Average cloud cover in May: 47
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in May
Chartley, MA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are August and September (5mi).
Chartley, Massachusetts, USA
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