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 beginning of May signals a rise in the average high-temperature, moving from a mild 55.9°F (13.3°C) in April to an enjoyable 66.7°F (19.3°C). West Roxbury records an average nighttime low-temperature of 49.6°F (9.8°C) throughout May.Humidity
In May, the average relative humidity is 73%.Rainfall
In West Roxbury, in May, during 8.9 rainfall days, 0.51" (13mm) of precipitation is typically accumulated. Throughout the year, there are 85.9 rainfall days, and 5.87" (149mm) 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, West Roxbury aggregates 0.08" (2mm) of snow. In West Roxbury, Massachusetts, during the entire year, snow falls for 18.8 days and aggregates up to 3.15" (80mm) of snow.Daylight
In May, the average length of the day is 14h and 37min.On the first day of May, sunrise is at 5:38 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 5:10 am and sunset at 8:14 pm EDT.
Sunshine
In West Roxbury, the average sunshine in May is 8.5h.UV index
The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The UV index of 5 during May translates into the following guidance:
Ensure safety - Recommendations to avert sunburn are presented. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the average humidity in May?
How many days does it rain in May?
What is the last month it snows?
How many hours of daylight does West Roxbury have in May?
When is the sunrise / sunset in May?
How long on average sun shines in May?
What is the UV index intensity in May?
Average temperature in May
West Roxbury, 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 (33.6°F).
- Average low temperature in May: 49.6°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in May
West Roxbury, 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 (29.92"Hg).
Average wind speed in May
West Roxbury, MA
- Average wind speed in May: 7.1mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in May
West Roxbury, MA
- Average humidity in May: 73%
The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (70%).
Average rainfall in May
West Roxbury, MA
- Average rainfall in May: 0.51"
The wettest month (with the highest rainfall) is November (0.67").
The driest month (with the least rainfall) is September (0.24").
Average rainfall days in May
West Roxbury, MA
- Average rainfall days in May: 8.9 days
The month with the highest number of rainy days is July (10.2 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in May
West Roxbury, MA
- Average snowfall in May: 0.08"
The month with the highest snowfall is December (0.91").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in May
West Roxbury, MA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (4.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
West Roxbury, 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 6min).
- Average sunshine in May: 8h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in May
West Roxbury, MA
- Average sunshine days in May: 18.7 days
The months with the most sunshine days are January and November (22.5 days).
The month with the least sunshine days is June (17.5 days).
Average UV index in May
West Roxbury, 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
West Roxbury, MA
- Average cloud cover in May: 46
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in May
West Roxbury, MA
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
West Roxbury, Massachusetts, USA
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