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 arrival of May sees a shift in the average high-temperature, moving from a cool 51.4°F (10.8°C) in April to a comfortable 64.2°F (17.9°C). North Boston's average low-temperature in May is measured at a chilly 47.7°F (8.7°C).Humidity
The average relative humidity in May is 79%.Rainfall
In North Boston, in May, during 16.4 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. In North Boston, New York, during the entire year, the rain falls for 160.5 days and collects up to 24.17" (614mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in North Boston. During 0.4 snowfall days, in May, North Boston aggregates 0.2" (5mm) of snow. In North Boston, during the entire year, snow falls for 62.9 days and aggregates up to 19.65" (499mm) of snow.Daylight
The average length of the day in May in North Boston is 14h and 39min.On the first day of May, sunrise is at 6:08 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 8:46 pm EDT.
Sunshine
The average sunshine in May is 8.9h.UV index
The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The average daily UV index of 5 in May transforms into the following instructions:
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 hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. 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 North Boston have in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index intensity in May?
Average temperature in May
North Boston, NY
- Average high temperature in May: 64.2°F
The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (28.8°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 (18.9°F).
Average pressure in May
North Boston, NY
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
North Boston, NY
- Average wind speed in May: 8.1mph
The windiest month (with the highest average wind speed) is January (11.8mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).
Average humidity in May
North Boston, NY
- Average humidity in May: 79%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are August and September (78%).
Average rainfall in May
North Boston, NY
- Average rainfall in May: 2.48"
The wettest month (with the highest rainfall) is July (2.52").
The driest month (with the least rainfall) is January (1.54").
Average rainfall days in May
North Boston, NY
- Average rainfall days in May: 16.4 days
The months with the highest number of rainy days are July and October (18.1 days).
The month with the least rainy days is February (7 days).
Average snowfall in May
North Boston, NY
- Average snowfall in May: 0.2"
The month with the highest snowfall is February (5.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
North Boston, NY
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is January (15.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
North Boston, NY
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in May
North Boston, NY
- Average sunshine days in May: 12.6 days
The month with the most sunshine days is March (13 days).
The month with the least sunshine days is January (8.3 days).
Average UV index in May
North Boston, NY
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
North Boston, NY
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in May
North Boston, NY
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
North Boston, New York, USA
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