May weather forecast and climate
Tolna, ND

Weather in May

May, the last month of the spring, in Tolna, is a comfortable month, with average temperature ranging between min 46.4°F (8°C) and max 63.1°F (17.3°C).

Temperature

In May, the average high-temperature increases considerably, from a frosty 48.4°F (9.1°C) in April, to a comfortable 63.1°F (17.3°C). In May, in Tolna, North Dakota, the average low-temperature is 46.4°F (8°C).

Humidity

The average relative humidity in Tolna is 63%.

Rainfall

In Tolna, North Dakota,, during 12 rainfall days, 1.81" (46mm) of precipitation is typically accumulated. Throughout the year, in Tolna, there are 95.3 rainfall days, and 14.41" (366mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.8 snowfall days, in May, Tolna aggregates 0.24" (6mm) of snow. In Tolna, North Dakota, during the entire year, snow falls for 74.3 days, and aggregates up to 18.9" (480mm) of snow.

Daylight

In Tolna, the average length of the day in May is 15.2h.

Sunshine

The average sunshine in Tolna is 9h.

UV index

In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to the UV radiation for ordinary individuals.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions - Protection against sun damage is advised. 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 average humidity in May in Tolna?

The average relative humidity in May is 63%.

How many days does it rain in May in Tolna?

In Tolna, North Dakota, in May, during 12 rainfall days, 1.81" (46mm) of precipitation is typically accumulated.

What is the last month it snows in Tolna?

May is the last month it regularly snows in Tolna. During 0.8 snowfall days, in May, Tolna aggregates 0.24" (6mm) of snow.

How many hours of daylight does Tolna have in May?

The average length of the day in May is 15.2h.

How long on average sun shines in May in Tolna?

The average sunshine in May is 9h.

What is the UV index reading in May in Tolna?

In Tolna, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to the UV radiation.

Average temperature in May
Tolna, ND

Average temperature in May - Tolna, ND
  • Average high temperature in May: 63.1°F

The warmest month (with the highest average high temperature) is August (79.5°F).
The month with the lowest average high temperature is January (15.3°F).

  • Average low temperature in May: 46.4°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 (1°F).

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Average pressure in May
Tolna, ND

Average pressure in May - Tolna, ND
  • Average pressure in May: 29.94"

The month with the highest atmospheric pressure is February (30.18").
The month with the lowest atmospheric pressure is June (29.85").

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Average wind speed in May
Tolna, ND

Average wind speed in May - Tolna, ND
  • Average wind speed in May: 10.3mph

The windiest month (with the highest average wind speed) is October (11.1mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).

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Average humidity in May
Tolna, ND

Average humidity in May - Tolna, ND
  • Average humidity in May: 63%

Months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is August (58%).

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Average rainfall in May
Tolna, ND

Average rainfall in May - Tolna, ND
  • Average rainfall in May: 1.81"

The wettest month (with the highest rainfall) is July (2.44").
The driest months (with the least rainfall) are January and February (0.43").

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Average rainfall days in May
Tolna, ND

Average rainfall days in May - Tolna, ND
  • Average rainfall days in May: 12 days

The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is December (2.1 days).

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Average snowfall in May
Tolna, ND

Average snowfall in May - Tolna, ND
  • Average snowfall in May: 0.24"

The month with the highest snowfall is December (3.9").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Tolna, ND

Average snowfall days in May - Tolna, ND
  • Average snowfall days in May: 0.8 days

The month with the highest number of snowfall days is December (15.5 days).
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
Tolna, ND

Average daylight in May / Average sunshine in May - Tolna, ND
  • Average daylight in May: 15.2h

The month with the longest days is June (Average daylight: 16h).
The month with the shortest days is December (Average daylight: 8.5h).

  • Average sunshine in May: 9h

The month with the most sunshine is July (Average sunshine: 11.1h).
The month with the least sunshine is January (Average sunshine: 3.2h).

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Average sunshine days in May
Tolna, ND

Average sunshine days in May - Tolna, ND
  • Average sunshine days in May: 16.3 days

Months with the most sunshine days are August and September (19.8 days).
The month with the least sunshine days is June (11 days).

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Average UV index in May
Tolna, ND

Average UV index in May - Tolna, ND
  • Average UV index in May: 5

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

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Average cloud cover in May
Tolna, ND

Average cloud cover in May - Tolna, ND
  • Average cloud cover in May: 40

The month with the most cloud cover is February (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 23).

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Average visibility in May
Tolna, ND

Average visibility in May - Tolna, ND
  • Average visibility in May: 6mi

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

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