May weather forecast
Thief River Falls, MN

Weather in May

The last month of the spring, May, is an enjoyable month in Thief River Falls, Minnesota, with temperature in the range of an average low of 46°F (7.8°C) and an average high of 63.3°F (17.4°C).

Temperature

In May, the average high-temperature soars, from a chilly 48.7°F (9.3°C) in April, to a comfortable 63.3°F (17.4°C). In May, the average low-temperature is 46°F (7.8°C).

Humidity

May and August, with an average relative humidity of 66%, are the least humid months in Thief River Falls, Minnesota.

Rainfall

In Thief River Falls, during May, the rain falls for 14.2 days and regularly aggregates up to 2.24" (57mm) of precipitation. Throughout the year, there are 104.3 rainfall days, and 18.39" (467mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Thief River Falls are January through May, October through December. May is the last month it regularly snows. During 0.5 snowfall days, Thief River Falls aggregates 0.2" (5mm) of snow. In Thief River Falls, Minnesota, during the entire year, snow falls for 81.1 days and aggregates up to 25.08" (637mm) of snow.

Daylight

In May, the average length of the day in Thief River Falls is 15h and 13min.
On the first day of May in Thief River Falls, sunrise is at 6:05 am and sunset at 8:38 pm. On the last day of the month, sunrise is at 5:29 am and sunset at 9:15 pm CDT.

Sunshine

In May, the average sunshine is 8.6h.

UV index

The average daily maximum UV index in May in Thief River Falls, Minnesota, is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 4 in May interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the least humid month in Thief River Falls?

May and August, with an average relative humidity of 66%, are the least humid months in Thief River Falls, Minnesota.

What is the average humidity in May in Thief River Falls?

In May, the average relative humidity is 66%.

How much does it rain in Thief River Falls in May?

In May, in Thief River Falls, Minnesota, the rain falls for 14.2 days. Throughout May, 2.24" (57mm) of precipitation is accumulated.

What is the last month it snows in Thief River Falls?

May is the last month it regularly snows in Thief River Falls, Minnesota. During 0.5 snowfall days, in May, Thief River Falls aggregates 0.2" (5mm) of snow.

How many hours of daylight does Thief River Falls have in May?

In Thief River Falls, Minnesota, the average day length in May is 15h and 13min.

What time are sunrise and sunset in May in Thief River Falls?

On the first day of May, sunrise is at 6:05 am and sunset at 8:38 pm. On the last day of the month, sunrise is at 5:29 am and sunset at 9:15 pm CDT.

How long on average sun shines in May in Thief River Falls?

The average sunshine duration in May in Thief River Falls is 8.6h.

What is the UV index intensity in May in Thief River Falls?

In May, the average daily maximum UV index in Thief River Falls is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.

Average temperature in May
Thief River Falls, MN

Average temperature in May - Thief River Falls, MN
  • Average high temperature in May: 63.3°F

The warmest months (with the highest average high temperature) are July and August (78.4°F).
The month with the lowest average high temperature is January (13.8°F).

  • Average low temperature in May: 46°F

The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (0°F).

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Average pressure in May
Thief River Falls, MN

Average pressure in May - Thief River Falls, MN
  • Average pressure in May: 29.94"Hg

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

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Average wind speed in May
Thief River Falls, MN

Average wind speed in May - Thief River Falls, MN
  • Average wind speed in May: 9.3mph

The windiest month (with the highest average wind speed) is October (10.1mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).

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Average humidity in May
Thief River Falls, MN

Average humidity in May - Thief River Falls, MN
  • Average humidity in May: 66%

The months with the highest relative humidity are January and February (93%).
The months with the lowest relative humidity are May and August (66%).

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Average rainfall in May
Thief River Falls, MN

Average rainfall in May - Thief River Falls, MN
  • Average rainfall in May: 2.24"

The wettest month (with the highest rainfall) is June (3.15").
The driest months (with the least rainfall) are January and February (0.63").

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Average rainfall days in May
Thief River Falls, MN

Average rainfall days in May - Thief River Falls, MN
  • Average rainfall days in May: 14.2 days

The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is January (1.9 days).

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Average snowfall in May
Thief River Falls, MN

Average snowfall in May - Thief River Falls, MN
  • Average snowfall in May: 0.2"

The month with the highest snowfall is December (5.24").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Thief River Falls, MN

Average snowfall days in May - Thief River Falls, MN
  • Average snowfall days in May: 0.5 days

The month with the highest number of snowfall days is December (16.2 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in May /
Average sunshine in May
Thief River Falls, MN

Average daylight in May / Average sunshine in May - Thief River Falls, MN
  • Average daylight in May: 15h and 13min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 26min).

  • Average sunshine in May: 8.6h

The month with the most sunshine is July (Average sunshine: 10.6h).
The month with the least sunshine is January (Average sunshine: 2.3h).

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Average sunshine days in May
Thief River Falls, MN

Average sunshine days in May - Thief River Falls, MN
  • Average sunshine days in May: 15.3 days

The month with the most sunshine days is August (18.5 days).
The month with the least sunshine days is June (11.3 days).

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Average UV index in May
Thief River Falls, MN

Average UV index in May - Thief River Falls, 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).

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Average cloud cover in May
Thief River Falls, MN

Average cloud cover in May - Thief River Falls, MN
  • Average cloud cover in May: 42

The months with the most cloud cover are January and February (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in May
Thief River Falls, MN

Average visibility in May - Thief River Falls, MN
  • Average visibility in May: 6mi

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

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