December weather forecast
Ceylon, MN

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Weather in December

The first month of the winter, December, is still a freezing cold month in Ceylon, Minnesota, with an average temperature varying between 27.3°F (-2.6°C) and 16.5°F (-8.6°C).

Temperature

December is marked by a distinct decrease in the average high-temperature, falling from a cold 42.4°F (5.8°C) in November to a subzero cold 27.3°F (-2.6°C). In December, Ceylon experiences an average nighttime temperature of 16.5°F (-8.6°C).

Humidity

In Ceylon, the average relative humidity in December is 85%.

Rainfall

In Ceylon, in December, during 4.4 rainfall days, 1.3" (33mm) of precipitation is typically accumulated. Throughout the year, there are 123.7 rainfall days, and 23.66" (601mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In December, in Ceylon, it is snowing for 11.1 days. Throughout December, 3.66" (93mm) of snow is accumulated. Throughout the year, there are 48.8 snowfall days, and 19.76" (502mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 0min of daylight.
On the first day of December, sunrise is at 7:32 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 4:52 pm CST.

Sunshine

The average sunshine in December is 4.3h.

UV index

In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index, 2 during December, leads to the following recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

In Ceylon, in December, the average high-temperature is 27.3°F (-2.6°C), and the average low-temperature is 16.5°F (-8.6°C).

What is the average humidity in December?

In Ceylon, the average relative humidity in December is 85%.

How many days does it rain in December?

In December, the rain falls for 4.4 days. Throughout December, 1.3" (33mm) of precipitation is accumulated.

How many days does it snow in December?

In Ceylon, Minnesota, in December, snow falls for 11.1 days, with typically accumulated 3.66" (93mm) of snow.

What is the month with the shortest days?

With an average of 9h and 0min of daylight, December has the shortest days of the year.

How many hours of daylight does Ceylon have in December?

The average day length in December in Ceylon is 9h and 1min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:32 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 4:52 pm CST.

How long on average sun shines in December?

The average sunshine duration in December is 4.3h.

How high is the UV index in December?

In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to 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
Ceylon, MN

Average temperature in December - Ceylon, MN
  • Average high temperature in December: 27.3°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 (22.5°F).

  • Average low temperature in December: 16.5°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).

Average pressure in December
Ceylon, MN

Average pressure in December - Ceylon, MN
  • Average pressure in December: 30.12"Hg

The months with the highest atmospheric pressure are January and February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in December
Ceylon, MN

Average wind speed in December - Ceylon, MN
  • Average wind speed in December: 10.7mph

The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).

Average humidity in December
Ceylon, MN

Average humidity in December - Ceylon, MN
  • Average humidity in December: 85%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (68%).

Average rainfall in December
Ceylon, MN

Average rainfall in December - Ceylon, MN
  • Average rainfall in December: 1.3"

The wettest month (with the highest rainfall) is June (3.7").
The driest month (with the least rainfall) is January (0.87").

Average rainfall days in December
Ceylon, MN

Average rainfall days in December - Ceylon, MN
  • Average rainfall days in December: 4.4 days

The month with the highest number of rainy days is June (18 days).
The month with the least rainy days is February (2.3 days).

Average snowfall in December
Ceylon, MN

Average snowfall in December - Ceylon, MN
  • Average snowfall in December: 3.66"

The month with the highest snowfall is February (4.8").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Ceylon, MN

Average snowfall days in December - Ceylon, MN
  • Average snowfall days in December: 11.1 days

The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Ceylon, MN
  • Average daylight in December: 9h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in December: 4h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in December
Ceylon, MN

Average sunshine days in December - Ceylon, MN
  • Average sunshine days in December: 17.1 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is June (10.1 days).

Average UV index in December
Ceylon, MN

Average UV index in December - Ceylon, MN
  • Average UV index in December: 2

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

Average cloud cover in December
Ceylon, MN

Average cloud cover in December - Ceylon, MN
  • Average cloud cover in December: 56

The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are July and September (Cloud cover 31).

Average visibility in December
Ceylon, MN

Average visibility in December - Ceylon, MN
  • Average visibility in December: 6mi

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

Ceylon, Minnesota, USA

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