December weather forecast
Cyrus, MN

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Weather in December

December, the first month of the winter in Cyrus, is still a freezing cold month, with an average temperature varying between 12.6°F (-10.8°C) and 23°F (-5°C).

Temperature

December's arrival sees a clear drop in the average high-temperature, decreasing from November's wintry 38.7°F (3.7°C) to a freezing cold 23°F (-5°C). An average minimum temperature of 12.6°F (-10.8°C) marks the month of December.

Humidity

In December, the average relative humidity is 87%.

Rainfall

In Cyrus, in December, it is raining for 3.4 days, with typically 0.98" (25mm) of accumulated precipitation. Throughout the year, there are 105.3 rainfall days, and 19.29" (490mm) of precipitation is accumulated.

Snowfall

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

Daylight

The month with the shortest days is December, with an average of 8h and 48min of daylight.
On the first day of December, sunrise is at 7:43 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 8:03 am and sunset at 4:49 pm CST.

Sunshine

In Cyrus, the average sunshine in December 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 reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.
Note: In December, a daily maximum UV index of 1 leads to the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Updated: Jul 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

The high-temperature during December is 23°F (-5°C) and the low-temperature is 12.6°F (-10.8°C).

What is the average humidity in December?

In December, the average relative humidity is 87%.

How many days does it rain in December?

In Cyrus, during December, the rain falls for 3.4 days and regularly aggregates up to 0.98" (25mm) of precipitation.

When does it snow the most?

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

How many days does it snow in December?

In Cyrus, in December, during 13.5 snowfall days, 4.29" (109mm) of snow is typically accumulated.

What is the month with the shortest days?

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

What is the average length of the day in December?

In Cyrus, the average day length in December is 8h and 46min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:43 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 8:03 am and sunset at 4:49 pm CST.

How long on average sun shines in December?

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

What are the months with the lowest UV index?

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

What is the UV index reading in December?

In Cyrus, the average daily maximum UV index in December is 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation.
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
Cyrus, MN

Average temperature in December - Cyrus, 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).

Average pressure in December
Cyrus, MN

Average pressure in December - Cyrus, 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).

Average wind speed in December
Cyrus, MN

Average wind speed in December - Cyrus, 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).

Average humidity in December
Cyrus, MN

Average humidity in December - Cyrus, 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%).

Average rainfall in December
Cyrus, MN

Average rainfall in December - Cyrus, 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").

Average rainfall days in December
Cyrus, MN

Average rainfall days in December - Cyrus, 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).

Average snowfall in December
Cyrus, MN

Average snowfall in December - Cyrus, 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").

Average snowfall days in December
Cyrus, MN

Average snowfall days in December - Cyrus, 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).

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

Average daylight in December / Average sunshine in December - Cyrus, 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).

Average sunshine days in December
Cyrus, MN

Average sunshine days in December - Cyrus, 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).

Average UV index in December
Cyrus, MN

Average UV index in December - Cyrus, 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).

Average cloud cover in December
Cyrus, MN

Average cloud cover in December - Cyrus, 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).

Average visibility in December
Cyrus, MN

Average visibility in December - Cyrus, 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).

Cyrus, Minnesota, USA

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