May weather forecast
Grand Rapids, MI

The vast cityscape of Grand Rapids, a moderately large town in Michigan and two visible bridges across the river
The vast cityscape of Grand Rapids, a moderately large town in Michigan and two visible bridges across the river

Weather in May

The last month of the spring, May, is an enjoyable month in Grand Rapids, Michigan, with an average temperature ranging between min 48.7°F (9.3°C) and max 66.4°F (19.1°C).

Temperature

In May, the average high-temperature increases from a fresh 54.1°F (12.3°C) in April to a comfortable 66.4°F (19.1°C). The average low-temperature, in May, is 48.7°F (9.3°C).

Humidity

In May, the average relative humidity in Grand Rapids is 77%.

Rainfall

May is the month with the most rainfall in Grand Rapids. Rain falls for 13 days and accumulates 1.14" (29mm) of precipitation.

Snowfall

In Grand Rapids, Michigan, snow does not fall through October.

Daylight

In Grand Rapids, the average length of the day in May is 14h and 40min.
On the first day of May, sunrise is at 6:36 am and sunset at 8:43 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 9:13 pm EDT.

Sunshine

In May, the average sunshine in Grand Rapids, Michigan, is 8.6h.

UV index

The average daily maximum UV index in May in Grand Rapids is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The average daily UV index of 5 in May transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in May in Grand Rapids?

The average high-temperature, in May, is 66.4°F (19.1°C), while the average low-temperature is 48.7°F (9.3°C).

What is the average humidity in May in Grand Rapids?

In May, the average relative humidity in Grand Rapids is 77%.

What is the wettest month in Grand Rapids?

May is the month with the most rainfall in Grand Rapids, Michigan. Rain falls for 13 days and accumulates 1.14" (29mm) of precipitation.

How much does it rain in Grand Rapids in May?

In Grand Rapids, during May, the rain falls for 13 days and regularly aggregates up to 1.14" (29mm) of precipitation.

When it does not snow in Grand Rapids?

In Grand Rapids, snow does not fall in May through October.

Does it snow in Grand Rapids in May?

In May, it doesn't snow. April is the latest month when it typically snows.

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

In May, the average day length in Grand Rapids is 14h and 40min.

When are sunrise and sunset in May in Grand Rapids?

In May, on the first day of the month, sunrise is at 6:36 am and sunset at 8:43 pm. On the last day of the month, in Grand Rapids, sunrise is at 6:06 am and sunset at 9:13 pm EDT.

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

In May, the average sunshine duration is 8.6h.

How high is the UV index in May in Grand Rapids?

The average daily maximum UV index in May in Grand Rapids, Michigan, is 5. A UV Index reading of 3 to 5 represents a medium health risk 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
Grand Rapids, MI

Average temperature in May - Grand Rapids, MI
  • Average high temperature in May: 66.4°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 (27.7°F).

  • Average low temperature in May: 48.7°F

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).

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Average pressure in May
Grand Rapids, MI

Average pressure in May - Grand Rapids, MI
  • Average pressure in May: 29.97"Hg

The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in May
Grand Rapids, MI

Average wind speed in May - Grand Rapids, MI
  • Average wind speed in May: 8.5mph

The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

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Average humidity in May
Grand Rapids, MI

Average humidity in May - Grand Rapids, MI
  • Average humidity in May: 77%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is April (75%).

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Average rainfall in May
Grand Rapids, MI

Average rainfall in May - Grand Rapids, MI
  • Average rainfall in May: 1.14"

The wettest month (with the highest rainfall) is May (1.14").
The driest month (with the least rainfall) is March (0.47").

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Average rainfall days in May
Grand Rapids, MI

Average rainfall days in May - Grand Rapids, MI
  • Average rainfall days in May: 13 days

The month with the highest number of rainy days is May (13 days).
The month with the least rainy days is February (3.8 days).

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Average snowfall in May
Grand Rapids, MI

Average snowfall in May - Grand Rapids, MI
  • Average snowfall in May: 0"

The month with the highest snowfall is January (1.57").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in May
Grand Rapids, MI

Average snowfall days in May - Grand Rapids, MI
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (11.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Grand Rapids, MI
  • 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 4min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).

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Average sunshine days in May
Grand Rapids, MI

Average sunshine days in May - Grand Rapids, MI
  • Average sunshine days in May: 14.6 days

The month with the most sunshine days is September (21 days).
The month with the least sunshine days is April (13.4 days).

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Average UV index in May
Grand Rapids, MI

Average UV index in May - Grand Rapids, MI
  • 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 and December (UV index 1).

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Average cloud cover in May
Grand Rapids, MI

Average cloud cover in May - Grand Rapids, MI
  • Average cloud cover in May: 42

The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is July (Cloud cover 30).

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Average visibility in May
Grand Rapids, MI

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

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

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