May weather forecast
De Graff, MN

Weather in May

May, the last month of the spring in De Graff, is an enjoyable month, with an average temperature varying between 66.6°F (19.2°C) and 49.3°F (9.6°C).

Temperature

In May, the average high-temperature rises from a cool 52.7°F (11.5°C) in April to a comfortable 66.6°F (19.2°C). In De Graff, in May, the average low-temperature is 49.3°F (9.6°C).

Humidity

The least humid month in De Graff is May, with an average relative humidity of 67%.

Rainfall

In De Graff, Minnesota, during 15.6 rainfall days, 2.4" (61mm) of precipitation is typically accumulated. In De Graff, during the entire year, the rain falls for 109.8 days and collects up to 20.47" (520mm) of precipitation.

Snowfall

Months with snowfall in De Graff are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, De Graff aggregates 0.12" (3mm) of snow. Throughout the year, there are 49.3 snowfall days, and 17.91" (455mm) of snow is accumulated.

Daylight

In De Graff, the average length of the day in May is 14h and 54min.
On the first day of May, sunrise is at 6:09 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 9:01 pm CDT.

Sunshine

In De Graff, the average sunshine in May is 8.8h.

UV index

The average daily maximum UV index in May in De Graff is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: The average daily UV index of 5 in May transform into the following instructions:
Take precautions - Protection against skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in May in De Graff?

In De Graff, in May, the average high-temperature is 66.6°F (19.2°C), and the average low-temperature is 49.3°F (9.6°C).

What is the least humid month in De Graff?

The least humid month in De Graff, Minnesota, is May, with an average relative humidity of 67%.

What is the average humidity in May in De Graff?

The average relative humidity in May is 67%.

How much does it rain in De Graff in May?

In De Graff, Minnesota, during May, the rain falls for 15.6 days and regularly aggregates up to 2.4" (61mm) of precipitation.

What is the last month it snows in De Graff?

May is the last month it regularly snows. During 0.2 snowfall days, in May, De Graff aggregates 0.12" (3mm) of snow.

What is the average length of the day in May in De Graff?

In May, the average day length is 14h and 54min.

What time are sunrise and sunset in May in De Graff?

On the first day of May in De Graff, sunrise is at 6:09 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 9:01 pm CDT.

How long on average sun shines in May in De Graff?

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

What is the UV index intensity in May in De Graff?

The average daily maximum UV index in May in De Graff is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
De Graff, MN

Average temperature in May - De Graff, MN
  • Average high temperature in May: 66.6°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (18.7°F).

  • Average low temperature in May: 49.3°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (4.6°F).

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Average pressure in May
De Graff, MN

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

The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed in May
De Graff, MN

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

The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (7.6mph).

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Average humidity in May
De Graff, MN

Average humidity in May - De Graff, MN
  • Average humidity in May: 67%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is May (67%).

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Average rainfall in May
De Graff, MN

Average rainfall in May - De Graff, MN
  • Average rainfall in May: 2.4"

The wettest month (with the highest rainfall) is July (3.43").
The driest months (with the least rainfall) are January and February (0.55").

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Average rainfall days in May
De Graff, MN

Average rainfall days in May - De Graff, MN
  • Average rainfall days in May: 15.6 days

The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is January (2 days).

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Average snowfall in May
De Graff, MN

Average snowfall in May - De Graff, MN
  • Average snowfall in May: 0.12"

The month with the highest snowfall is December (4.25").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
De Graff, MN

Average snowfall days in May - De Graff, MN
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
De Graff, MN

Average daylight in May / Average sunshine in May - De Graff, MN
  • Average daylight in May: 14h and 54min

The month with the longest days is June (Average daylight: 15h and 35min).
The month with the shortest days is December (Average daylight: 8h and 49min).

  • Average sunshine in May: 8h and 48min

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 18min).

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Average sunshine days in May
De Graff, MN

Average sunshine days in May - De Graff, MN
  • Average sunshine days in May: 13.8 days

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is June (10.7 days).

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Average UV index in May
De Graff, MN

Average UV index in May - De Graff, 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, February and December (UV index 1).

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Average cloud cover in May
De Graff, MN

Average cloud cover in May - De Graff, MN
  • Average cloud cover in May: 41

The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 28).

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Average visibility in May
De Graff, MN

Average visibility in May - De Graff, MN
  • 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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