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
In May, the meteorological conditions change with the average high-temperature moving from a mild 55.9°F (13.3°C) in April to an enjoyable 67.5°F (19.7°C). Northborough's May nights cool down to an average low-temperature of 48.7°F (9.3°C).Humidity
The average relative humidity in May is 74%.Rainfall
In Northborough, in May, during 15.6 rainfall days, 2.01" (51mm) of precipitation is typically accumulated. Throughout the year, there are 140.8 rainfall days, and 26.34" (669mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Northborough. May is the last month it regularly snows in Northborough. During 0.1 snowfall days, in May, Northborough aggregates 0.16" (4mm) of snow. In Northborough, during the entire year, snow falls for 32.4 days and aggregates up to 21.61" (549mm) of snow.Daylight
The average length of the day in May is 14h and 37min.On the first day of May in Northborough, sunrise is at 5:40 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 5:12 am and sunset at 8:16 pm EDT.
Sunshine
The average sunshine in May is 8.4h.UV index
In Northborough, 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 radiation for average individuals.Note: In May, a daily UV index of 5 turns into the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. The solar radiation around mid-day is intense; avoid the Sun and stay safe. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
What is the average May temperature in Northborough?
What is the average humidity in May in Northborough?
How much does it rain in Northborough in May?
What is the last month it snows in Northborough?
How many hours of daylight does Northborough have in May?
What time are sunrise and sunset in May in Northborough?
How many hours of sunshine does Northborough have in May?
How high is the UV index in May in Northborough?
Average temperature in May
Northborough, MA
- Average high temperature in May: 67.5°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in May: 48.7°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in May
Northborough, 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
Northborough, MA
- Average wind speed in May: 6.8mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in May
Northborough, MA
- Average humidity in May: 74%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (71%).
Average rainfall in May
Northborough, MA
- Average rainfall in May: 2.01"
The wettest months (with the highest rainfall) are March, November and December (2.56").
The driest month (with the least rainfall) is September (1.34").
Average rainfall days in May
Northborough, MA
- Average rainfall days in May: 15.6 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in May
Northborough, MA
- Average snowfall in May: 0.16"
The month with the highest snowfall is February (5.24").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Northborough, MA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Northborough, 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 2min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in May
Northborough, MA
- Average sunshine days in May: 13.7 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is April (13.4 days).
Average UV index in May
Northborough, 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
Northborough, 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
Northborough, MA
- Average visibility in May: 6mi
The months with the highest visibility are January, March, April, May, October, November and December (6mi).
The months with the lowest visibility are February, June, July, August and September (5mi).
Northborough, Massachusetts, USA
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