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 brings an increase in the average high-temperature, moving from a moderate 55.9°F (13.3°C) in April to an enjoyable 67.3°F (19.6°C). The average nighttime temperature lowers to a chilly 48.6°F (9.2°C) throughout May.Humidity
In Douglas, the average relative humidity in May is 75%.Rainfall
In Douglas, Massachusetts, in May, it is raining for 16.1 days, with typically 2.48" (63mm) of accumulated precipitation. Throughout the year, there are 152.2 rainfall days, and 30.67" (779mm) of precipitation is accumulated.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, Douglas aggregates 0.2" (5mm) of snow. In Douglas, during the entire year, snow falls for 32.5 days and aggregates up to 18.78" (477mm) of snow.Daylight
In Douglas, the average length of the day in May is 14h and 35min.On the first day of the month, sunrise is at 5:41 am and sunset at 7:46 pm. On the last day of May, sunrise is at 5:13 am and sunset at 8:15 pm EDT.
Sunshine
In Douglas, the average sunshine in May is 8.2h.UV index
The average daily maximum UV index in May in Douglas is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 5 during May translates into these guidelines:
Heed the precautions - It is counselled to guard against solar damage. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
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 Douglas have in May?
When is the sunrise / sunset in May in Douglas?
How many hours of sunshine does Douglas have in May?
What is the UV index intensity in May?
Average temperature in May
Douglas, MA
- Average high temperature in May: 67.3°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in May: 48.6°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in May
Douglas, 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
Douglas, MA
- Average wind speed in May: 7.1mph
The windiest months (with the highest average wind speed) are January, February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in May
Douglas, MA
- Average humidity in May: 75%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (71%).
Average rainfall in May
Douglas, MA
- Average rainfall in May: 2.48"
The wettest month (with the highest rainfall) is December (3.15").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in May
Douglas, MA
- Average rainfall days in May: 16.1 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in May
Douglas, MA
- Average snowfall in May: 0.2"
The month with the highest snowfall is March (4.92").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
Douglas, MA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (8.4 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
Douglas, 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 1min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in May
Douglas, MA
- Average sunshine days in May: 12.9 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in May
Douglas, 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
Douglas, MA
- Average cloud cover in May: 48
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in May
Douglas, MA
- Average visibility in May: 5mi
The months with the highest visibility are January, March, April, October, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August and September (5mi).
Douglas, Massachusetts, USA
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