May weather forecast
Grand Rapids, MN

Share

Weather in May

May, the last month of the spring in Grand Rapids, is a refreshing month, with an average temperature ranging between max 63.9°F (17.7°C) and min 42.6°F (5.9°C).

Temperature

Grand Rapids's transition into May is marked by a clear rise in the average high-temperature, advancing from a chilly 47.8°F (8.8°C) in April to an enjoyable 63.9°F (17.7°C). Grand Rapids sees an average low-temperature of 42.6°F (5.9°C) during May.

Humidity

May is the least humid month, with an average relative humidity of 70%.

Rainfall

In Grand Rapids, in May, during 15.8 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. In Grand Rapids, during the entire year, the rain falls for 113.8 days and collects up to 18.94" (481mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 1.4 snowfall days, in May, Grand Rapids aggregates 0.71" (18mm) of snow. In Grand Rapids, during the entire year, snow falls for 106.1 days and aggregates up to 36.73" (933mm) of snow.

Daylight

In Grand Rapids, the average length of the day in May is 15h and 7min.
On the first day of May, sunrise is at 5:56 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 5:21 am and sunset at 9:01 pm CDT.

Sunshine

In Grand Rapids, the average sunshine in May is 8.2h.

UV index

In Grand Rapids, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In May, the maximum UV index of 4 translates into these guidelines:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Updated: Jul 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in May?

The high-temperature, in May, in Grand Rapids, records 63.9°F (17.7°C), while the low-temperature is 42.6°F (5.9°C).

What is the least humid month?

May is the least humid month in Grand Rapids, with an average relative humidity of 70%.

What is the average humidity in May?

The average relative humidity in May is 70%.

How much does it rain in May?

In Grand Rapids, in May, it is raining for 15.8 days, with typically 1.89" (48mm) of accumulated precipitation.

What is the last month it snows in Grand Rapids?

May is the last month it regularly snows. During 1.4 snowfall days, in May, Grand Rapids aggregates 0.71" (18mm) of snow.

What is the average length of the day in May?

The average day length in May is 15h and 7min.

When is the sunrise / sunset in May in Grand Rapids?

In May, on the first day of the month, sunrise is at 5:56 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 5:21 am and sunset at 9:01 pm CDT.

How many hours of sunshine does Grand Rapids have in May?

In Grand Rapids, the average sunshine duration in May is 8.2h.

What is the UV index reading in May in Grand Rapids?

In May, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium hazard to health 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
Grand Rapids, MN

Average temperature in May - Grand Rapids, MN
  • Average high temperature in May: 63.9°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (15.8°F).

  • Average low temperature in May: 42.6°F

The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is January (1.4°F).

Average pressure in May
Grand Rapids, MN

Average pressure in May - Grand Rapids, MN
  • Average pressure in May: 29.95"Hg

The month with the highest atmospheric pressure is February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in May
Grand Rapids, MN

Average wind speed in May - Grand Rapids, MN
  • Average wind speed in May: 7.2mph

The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

Average humidity in May
Grand Rapids, MN

Average humidity in May - Grand Rapids, MN
  • Average humidity in May: 70%

The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is May (70%).

Average rainfall in May
Grand Rapids, MN

Average rainfall in May - Grand Rapids, MN
  • Average rainfall in May: 1.89"

The wettest month (with the highest rainfall) is June (2.91").
The driest months (with the least rainfall) are January and February (0.75").

Average rainfall days in May
Grand Rapids, MN

Average rainfall days in May - Grand Rapids, MN
  • Average rainfall days in May: 15.8 days

The month with the highest number of rainy days is June (16.4 days).
The month with the least rainy days is February (2.3 days).

Average snowfall in May
Grand Rapids, MN

Average snowfall in May - Grand Rapids, MN
  • Average snowfall in May: 0.71"

The month with the highest snowfall is December (7.2").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Grand Rapids, MN

Average snowfall days in May - Grand Rapids, MN
  • Average snowfall days in May: 1.4 days

The month with the highest number of snowfall days is January (21.1 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in May /
Average sunshine in May
Grand Rapids, MN

Average daylight in May / Average sunshine in May - Grand Rapids, MN
  • Average daylight in May: 15h and 1min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in May: 8h and 1min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 1h and 54min).

Average sunshine days in May
Grand Rapids, MN

Average sunshine days in May - Grand Rapids, MN
  • Average sunshine days in May: 12.8 days

The months with the most sunshine days are August and September (16.5 days).
The month with the least sunshine days is February (10.1 days).

Average UV index in May
Grand Rapids, MN

Average UV index in May - Grand Rapids, MN
  • Average UV index in May: 4

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in May
Grand Rapids, MN

Average cloud cover in May - Grand Rapids, MN
  • Average cloud cover in May: 46

The month with the most cloud cover is January (Cloud cover 81).
The month with the least cloud cover is July (Cloud cover 36).

Average visibility in May
Grand Rapids, MN

Average visibility in May - Grand Rapids, MN
  • Average visibility in May: 6mi

The months with the highest visibility are May and June (6mi).
The months with the lowest visibility are January, February, March and December (4mi).

Grand Rapids, Minnesota, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location