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
May indicates a change in the average high-temperature, moving up from 55.4°F (13°C) in April to a still refreshing 67.1°F (19.5°C). Throughout May, North Chelmsford witnesses a consistent average low-temperature of 48.7°F (9.3°C).Humidity
In May, the average relative humidity in North Chelmsford is 73%.Rainfall
In North Chelmsford, in May, it is raining for 15.6 days, with typically 2.01" (51mm) of accumulated precipitation. In North Chelmsford, during the entire year, the rain falls for 145.9 days and collects up to 27.48" (698mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in North Chelmsford. May is the last month it regularly snows. During 0.1 snowfall days, in May, North Chelmsford aggregates 0.16" (4mm) of snow. Throughout the year, in North Chelmsford, Massachusetts, there are 32.6 snowfall days, and 21.61" (549mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 38min.On the first day of the month, sunrise is at 5:38 am and sunset at 7:46 pm. On the last day of May, sunrise is at 5:10 am and sunset at 8:16 pm EDT.
Sunshine
The average sunshine in May in North Chelmsford is 8.5h.UV index
In North Chelmsford, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 5 in May interprets into the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. During bright days, sunglasses that offer UVA and UVB defense are recommended. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
What is the average May temperature in North Chelmsford?
What is the average humidity in May in North Chelmsford?
How many days does it rain in May in North Chelmsford?
What is the last month it snows in North Chelmsford?
How many hours of daylight does North Chelmsford have in May?
When are sunrise and sunset in May in North Chelmsford?
How many hours of sunshine does North Chelmsford have in May?
What is the UV index intensity in May in North Chelmsford?
Average temperature in May
North Chelmsford, MA
- Average high temperature in May: 67.1°F
The warmest month (with the highest average high temperature) is July (82.2°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 (63.1°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in May
North Chelmsford, MA
- Average pressure in May: 30"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
North Chelmsford, MA
- Average wind speed in May: 6.6mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in May
North Chelmsford, MA
- Average humidity in May: 73%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (70%).
Average rainfall in May
North Chelmsford, MA
- Average rainfall in May: 2.01"
The wettest month (with the highest rainfall) is December (2.87").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in May
North Chelmsford, 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 February (6.9 days).
Average snowfall in May
North Chelmsford, MA
- Average snowfall in May: 0.16"
The month with the highest snowfall is February (5.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
North Chelmsford, MA
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (8.3 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 Chelmsford, MA
- 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 3min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in May
North Chelmsford, MA
- Average sunshine days in May: 13.6 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is May (13.6 days).
Average UV index in May
North Chelmsford, 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
North Chelmsford, MA
- Average cloud cover in May: 46
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in May
North Chelmsford, MA
- Average visibility in May: 6mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is February (5mi).
North Chelmsford, Massachusetts, USA
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