May weather forecast
Bellingham, MN

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Weather in May

May, the last month of the spring in Bellingham, is a comfortable month, with an average temperature ranging between min 49.6°F (9.8°C) and max 67.1°F (19.5°C).

Temperature

With the beginning of May, Bellingham's average high-temperature sees an increase, transitioning from a fresh 53.6°F (12°C) in April to a comfortable 67.1°F (19.5°C). Throughout May, the nighttime temperature averages to a chilly 49.6°F (9.8°C).

Humidity

The average relative humidity in May is 67%.

Rainfall

In Bellingham, during May, the rain falls for 13.3 days and regularly aggregates up to 2.44" (62mm) of precipitation. Throughout the year, there are 99.9 rainfall days, and 19.65" (499mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Bellingham aggregates 0.31" (8mm) of snow. Throughout the year, there are 47 snowfall days, and 20.35" (517mm) of snow is accumulated.

Daylight

In Bellingham, the average length of the day in May is 14h and 53min.
On the first day of the month, sunrise is at 6:12 am and sunset at 8:31 pm. On the last day of May, sunrise is at 5:41 am and sunset at 9:04 pm CDT.

Sunshine

In May, the average sunshine in Bellingham is 8.8h.

UV index

In Bellingham, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 5 during May translates into these guidelines:
Put precautions into practice - Guidance to elude sunburn is provided. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May?

May temperatures vary between a high-temperature of 67.1°F (19.5°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 67%.

How many days does it rain in May?

In May, the rain falls for 13.3 days. Throughout May, 2.44" (62mm) of precipitation is accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Bellingham aggregates 0.31" (8mm) of snow.

What is the average length of the day in May?

The average day length in May is 14h and 53min.

When is the sunrise / sunset in May?

On the first day of May, sunrise is at 6:12 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 9:04 pm CDT.

How many hours of sunshine does Bellingham have in May?

In May, the average sunshine duration is 8.8h.

What is the UV index reading in May?

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

Average temperature in May
Bellingham, MN

Average temperature in May - Bellingham, MN
  • Average high temperature in May: 67.1°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (20.3°F).

  • Average low temperature in May: 49.6°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (6.3°F).

Average pressure in May
Bellingham, MN

Average pressure in May - Bellingham, MN
  • Average pressure in May: 29.93"Hg

The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

Average wind speed in May
Bellingham, MN

Average wind speed in May - Bellingham, MN
  • Average wind speed in May: 9.4mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).

Average humidity in May
Bellingham, MN

Average humidity in May - Bellingham, MN
  • Average humidity in May: 67%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (66%).

Average rainfall in May
Bellingham, MN

Average rainfall in May - Bellingham, MN
  • Average rainfall in May: 2.44"

The wettest month (with the highest rainfall) is July (3.35").
The driest month (with the least rainfall) is January (0.55").

Average rainfall days in May
Bellingham, MN

Average rainfall days in May - Bellingham, MN
  • Average rainfall days in May: 13.3 days

The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is February (1.3 days).

Average snowfall in May
Bellingham, MN

Average snowfall in May - Bellingham, MN
  • Average snowfall in May: 0.31"

The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Bellingham, MN

Average snowfall days in May - Bellingham, MN
  • Average snowfall days in May: 0.1 days

The months with the highest number of snowfall days are January and December (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Bellingham, MN

Average daylight in May / Average sunshine in May - Bellingham, MN
  • Average daylight in May: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in May: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in May
Bellingham, MN

Average sunshine days in May - Bellingham, MN
  • Average sunshine days in May: 15.7 days

The month with the most sunshine days is November (21.4 days).
The month with the least sunshine days is June (12.6 days).

Average UV index in May
Bellingham, MN

Average UV index in May - Bellingham, MN
  • Average UV index in May: 5

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and November (UV index 1).

Average cloud cover in May
Bellingham, MN

Average cloud cover in May - Bellingham, MN
  • Average cloud cover in May: 41

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 26).

Average visibility in May
Bellingham, MN

Average visibility in May - Bellingham, MN
  • Average visibility in May: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

Bellingham, Minnesota, USA

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