December weather forecast
Donnelly, MN

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Weather in December

The first month of the winter, December, is also a subzero cold month in Donnelly, Minnesota, with an average temperature ranging between max 23°F (-5°C) and min 12.6°F (-10.8°C).

Temperature

December's arrival signals a significant decrease in average high-temperatures, falling from November's cold 38.7°F (3.7°C) to a subzero cold 23°F (-5°C). During the month of December, an average temperature of 12.6°F (-10.8°C) is noted during the nights in Donnelly, Minnesota.

Humidity

In December, the average relative humidity is 87%.

Rainfall

In Donnelly, during December, the rain falls for 3.4 days and regularly aggregates up to 0.98" (25mm) of precipitation. In Donnelly, during the entire year, the rain falls for 105.3 days and collects up to 19.29" (490mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. December is the month with the most snowfall in Donnelly. Snow falls for 13.5 days and accumulates 4.29" (109mm) of snow.

Daylight

The month with the shortest days in Donnelly is December, with an average of 8h and 48min of daylight.
On the first day of December in Donnelly, sunrise is at 7:45 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 8:04 am and sunset at 4:50 pm CST.

Sunshine

In December, the average sunshine is 3.4h.

UV index

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.
Note: A typical high UV index of 1 in December suggests the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. It's recommended to limit sun exposure when its radiation is at its peak during midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
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Frequently asked questions

How cold is it in Donnelly in December?

Donnelly in December has an average high-temperature of 23°F (-5°C) and an average low-temperature of 12.6°F (-10.8°C).

What is the average humidity in December in Donnelly?

In December, the average relative humidity in Donnelly is 87%.

How many days does it rain in December in Donnelly?

In Donnelly, Minnesota, in December, it is raining for 3.4 days, with typically 0.98" (25mm) of accumulated precipitation.

When does it snow the most in Donnelly?

The month with the most snowfall in Donnelly is December, when snow falls for 13.5 days and typically aggregates up to 4.29" (109mm) of snow.

How much does it snow in Donnelly in December?

In Donnelly, during December, snow falls for 13.5 days and regularly aggregates up to 4.29" (109mm) of snow.

What is the month with the shortest days in Donnelly?

With an average of 8h and 48min of daylight, December has the shortest days of the year in Donnelly.

How many hours of daylight does Donnelly have in December?

In Donnelly, Minnesota, the average day length in December is 8h and 45min.

When is the sunrise / sunset in December in Donnelly?

On the first day of December, sunrise is at 7:45 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 8:04 am and sunset at 4:50 pm CST.

How many hours of sunshine does Donnelly have in December?

In December, the average sunshine duration in Donnelly, Minnesota, is 3.4h.

What is the month with the lowest UV index in Donnelly?

The months with the lowest UV index are January, November and December, with an average maximum UV index of 1.

How high is the UV index in December in Donnelly?

In December, the average daily maximum UV index is 1. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Donnelly, MN

Average temperature in December - Donnelly, MN
  • Average high temperature in December: 23°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°F).

  • Average low temperature in December: 12.6°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 (4.5°F).

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Average pressure in December
Donnelly, MN

Average pressure in December - Donnelly, MN
  • Average pressure in December: 30.12"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 December
Donnelly, MN

Average wind speed in December - Donnelly, MN
  • Average wind speed in December: 9.9mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).

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Average humidity in December
Donnelly, MN

Average humidity in December - Donnelly, MN
  • Average humidity in December: 87%

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

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Average rainfall in December
Donnelly, MN

Average rainfall in December - Donnelly, MN
  • Average rainfall in December: 0.98"

The wettest months (with the highest rainfall) are June and July (3.15").
The driest months (with the least rainfall) are January and February (0.55").

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Average rainfall days in December
Donnelly, MN

Average rainfall days in December - Donnelly, MN
  • Average rainfall days in December: 3.4 days

The month with the highest number of rainy days is June (15.7 days).
The month with the least rainy days is February (1.9 days).

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Average snowfall in December
Donnelly, MN

Average snowfall in December - Donnelly, MN
  • Average snowfall in December: 4.29"

The month with the highest snowfall is December (4.29").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Donnelly, MN

Average snowfall days in December - Donnelly, MN
  • Average snowfall days in December: 13.5 days

The month with the highest number of snowfall days is January (14.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Donnelly, MN

Average daylight in December / Average sunshine in December - Donnelly, MN
  • Average daylight in December: 8h and 5min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in December: 3h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

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Average sunshine days in December
Donnelly, MN

Average sunshine days in December - Donnelly, MN
  • Average sunshine days in December: 16.5 days

The month with the most sunshine days is September (19.5 days).
The month with the least sunshine days is June (12.1 days).

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Average UV index in December
Donnelly, MN

Average UV index in December - Donnelly, MN
  • Average UV index in December: 1

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).

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Average cloud cover in December
Donnelly, MN

Average cloud cover in December - Donnelly, MN
  • Average cloud cover in December: 63

The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 29).

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Average visibility in December
Donnelly, MN

Average visibility in December - Donnelly, MN
  • Average visibility in December: 5mi

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, March and December (5mi).

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Donnelly, Minnesota, USA

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