May weather forecast
Waban, MA

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Weather in May

The last month of the spring, May, is a comfortable month in Waban, Massachusetts, with an average temperature varying between 49.6°F (9.8°C) and 66.7°F (19.3°C).

Temperature

Waban's transition into May sees a rise in the average high-temperature, advancing from a mild 55.9°F (13.3°C) in April to a still refreshing 66.7°F (19.3°C). Waban anticipates an average minimum temperature of 49.6°F (9.8°C) in the month of May.

Humidity

In Waban, the average relative humidity in May is 73%.

Rainfall

In Waban, 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

Months with snowfall in Waban, Massachusetts, are January through May, November and December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Waban 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 Waban, the average length of the day in May is 14h and 37min.
On the first day of May, sunrise is at 5:39 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 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 moderate health risk from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 5 in May interprets into the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May?

During May, Waban experiences an average 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?

In May, the average relative humidity is 73%.

How much does it rain in May?

In Waban, in May, it is raining for 8.9 days, with typically 0.51" (13mm) of accumulated precipitation.

What is the last month it snows?

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

How many hours of daylight does Waban have in May?

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

What time are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 5:39 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 many hours of sunshine does Waban have in May?

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

What is the UV index intensity in May?

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
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
Waban, MA

Average temperature in May - Waban, 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
Waban, MA

Average pressure in May - Waban, 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
Waban, MA

Average wind speed in May - Waban, 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
Waban, MA

Average humidity in May - Waban, 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
Waban, MA

Average rainfall in May - Waban, 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
Waban, MA

Average rainfall days in May - Waban, 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
Waban, MA

Average snowfall in May - Waban, 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
Waban, MA

Average snowfall days in May - Waban, 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
Waban, MA

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

Average sunshine days in May - Waban, 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
Waban, MA

Average UV index in May - Waban, 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
Waban, MA

Average cloud cover in May - Waban, 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
Waban, MA

Average visibility in May - Waban, 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).

Waban, Massachusetts, USA

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