May weather forecast
Grayling, MI

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Weather in May

May, the last month of the spring in Grayling, is a comfortable month, with an average temperature varying between 64.4°F (18°C) and 44.2°F (6.8°C).

Temperature

With the onset of May, Grayling experiences a noticeable temperature shift, with the average high-temperature advancing from a frosty 48.7°F (9.3°C) in April to a comfortable 64.4°F (18°C). During May nights, Grayling records an average temperature of 44.2°F (6.8°C).

Humidity

With an average relative humidity of 71%, May is the least humid month.

Rainfall

In Grayling, in May, it is raining for 15.1 days, with typically 2.52" (64mm) of accumulated precipitation. In Grayling, during the entire year, the rain falls for 132.1 days and collects up to 21.81" (554mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Grayling, Michigan. May is the last month it regularly snows. During 0.9 snowfall days, in May, Grayling aggregates 0.2" (5mm) of snow. In Grayling, during the entire year, snow falls for 98.2 days and aggregates up to 37.95" (964mm) of snow.

Daylight

In May, the average length of the day in Grayling is 14h and 50min.
On the first day of May, sunrise is at 6:27 am and sunset at 8:44 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 9:16 pm EDT.

Sunshine

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

UV index

In Grayling, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 4 in May interprets into the following advice:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Grayling in May?

An average high-temperature, in May, in Grayling, is 64.4°F (18°C) and the average low-temperature is 44.2°F (6.8°C).

What is the least humid month in Grayling?

May is the least humid month, with an average relative humidity of 71%.

What is the average humidity in May in Grayling?

In May, the average relative humidity in Grayling is 71%.

How many days does it rain in May in Grayling?

In May, in Grayling, the rain falls for 15.1 days. Throughout May, 2.52" (64mm) of precipitation is accumulated.

What is the last month it snows in Grayling?

May is the last month it regularly snows in Grayling, Michigan. During 0.9 snowfall days, in May, Grayling aggregates 0.2" (5mm) of snow.

What is the average length of the day in May in Grayling?

The average day length in May in Grayling is 14h and 50min.

When is the sunrise / sunset in May in Grayling?

On the first day of May in Grayling, sunrise is at 6:27 am and sunset at 8:44 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 9:16 pm EDT.

How long on average sun shines in May in Grayling?

In May, the average sunshine duration in Grayling is 8.8h.

How high is the UV index in May in Grayling?

In Grayling, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium health risk 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
Grayling, MI

Average temperature in May - Grayling, MI
  • Average high temperature in May: 64.4°F

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (23.4°F).

  • Average low temperature in May: 44.2°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 (14.4°F).

Average pressure in May
Grayling, MI

Average pressure in May - Grayling, MI
  • Average pressure in May: 29.98"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).

Average wind speed in May
Grayling, MI

Average wind speed in May - Grayling, MI
  • Average wind speed in May: 7.6mph

The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).

Average humidity in May
Grayling, MI

Average humidity in May - Grayling, MI
  • Average humidity in May: 71%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is May (71%).

Average rainfall in May
Grayling, MI

Average rainfall in May - Grayling, MI
  • Average rainfall in May: 2.52"

The wettest month (with the highest rainfall) is October (2.68").
The driest month (with the least rainfall) is February (1.26").

Average rainfall days in May
Grayling, MI

Average rainfall days in May - Grayling, MI
  • Average rainfall days in May: 15.1 days

The month with the highest number of rainy days is October (16.5 days).
The month with the least rainy days is February (3.3 days).

Average snowfall in May
Grayling, MI

Average snowfall in May - Grayling, MI
  • Average snowfall in May: 0.2"

The month with the highest snowfall is January (9.17").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Grayling, MI

Average snowfall days in May - Grayling, MI
  • Average snowfall days in May: 0.9 days

The month with the highest number of snowfall days is January (23.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Grayling, MI

Average daylight in May / Average sunshine in May - Grayling, MI
  • Average daylight in May: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in May: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 1h and 36min).

Average sunshine days in May
Grayling, MI

Average sunshine days in May - Grayling, MI
  • Average sunshine days in May: 14 days

The month with the most sunshine days is September (15.7 days).
The month with the least sunshine days is January (7 days).

Average UV index in May
Grayling, MI

Average UV index in May - Grayling, MI
  • Average UV index in May: 4

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in May
Grayling, MI

Average cloud cover in May - Grayling, MI
  • Average cloud cover in May: 41

The month with the most cloud cover is January (Cloud cover 83).
The month with the least cloud cover is July (Cloud cover 34).

Average visibility in May
Grayling, MI

Average visibility in May - Grayling, MI
  • Average visibility in May: 6mi

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

Grayling, Michigan, USA

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