May weather forecast
Nonantum, MA

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Weather in May

May, the last month of the spring in Nonantum, is a comfortable month, with an average temperature ranging between min 49.6°F (9.8°C) and max 66.7°F (19.3°C).

Temperature

With the onset of May, Nonantum's average high-temperature sees a rise, moving from April's mild 55.9°F (13.3°C) to an enjoyable 66.7°F (19.3°C). Nonantum reports a consistent average low-temperature of 49.6°F (9.8°C) throughout May nights.

Humidity

In May, the average relative humidity is 73%.

Rainfall

In May, the rain falls for 8.9 days. Throughout May, 0.51" (13mm) of precipitation is accumulated. In Nonantum, during the entire year, the rain falls for 85.9 days and collects up to 5.87" (149mm) of precipitation.

Snowfall

Months with snowfall are January through May, November and December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Nonantum aggregates 0.08" (2mm) of snow. Throughout the year, there are 18.8 snowfall days, and 3.15" (80mm) of snow is accumulated.

Daylight

In May, the average length of the day is 14h and 37min.
On the first day of the month, sunrise is at 5:38 am and sunset at 7:44 pm. On the last day of May, sunrise is at 5:10 am and sunset at 8:14 pm EDT.

Sunshine

In May, the average sunshine is 8.5h.

UV index

The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 5 in May interprets into the following advice:
Undertake precautions - It is suggested to shield oneself from sunburn. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature?

May temperatures vary between a high-temperature of 66.7°F (19.3°C) and a low-temperature of 49.6°F (9.8°C).

What is the average humidity in May?

The average relative humidity in May is 73%.

How many days does it rain in May?

In Nonantum, during May, the rain falls for 8.9 days and regularly aggregates up to 0.51" (13mm) of precipitation.

What is the last month it snows?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Nonantum aggregates 0.08" (2mm) of snow.

What is the average length of the day in May?

In Nonantum, Massachusetts, the average day length in May is 14h and 37min.

What time are sunrise and sunset in May?

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.

How long on average sun shines in May?

In Nonantum, the average sunshine duration in May is 8.5h.

What is the UV index reading in May?

The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Nonantum, MA

Average temperature in May - Nonantum, 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
Nonantum, MA

Average pressure in May - Nonantum, 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
Nonantum, MA

Average wind speed in May - Nonantum, 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
Nonantum, MA

Average humidity in May - Nonantum, 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
Nonantum, MA

Average rainfall in May - Nonantum, 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
Nonantum, MA

Average rainfall days in May - Nonantum, 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
Nonantum, MA

Average snowfall in May - Nonantum, 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
Nonantum, MA

Average snowfall days in May - Nonantum, 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
Nonantum, MA

Average daylight in May / Average sunshine in May - Nonantum, 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
Nonantum, MA

Average sunshine days in May - Nonantum, 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
Nonantum, MA

Average UV index in May - Nonantum, 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
Nonantum, MA

Average cloud cover in May - Nonantum, 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
Nonantum, MA

Average visibility in May - Nonantum, 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).

Nonantum, Massachusetts, USA

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