December weather forecast
Mankato, KS

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Weather in December

The first month of the winter, December, is also an icy month in Mankato, Kansas, with an average temperature varying between 23.9°F (-4.5°C) and 38.5°F (3.6°C).

Temperature

December comes with a drop in the average high-temperature, falling from November's cool 51.4°F (10.8°C) to a cold 38.5°F (3.6°C). In Mankato, an average temperature of 23.9°F (-4.5°C) is noted during December nights.

Humidity

The average relative humidity in December is 72%.

Rainfall

In December, the rain falls for 4.5 days. Throughout December, 1.3" (33mm) of precipitation is accumulated. Throughout the year, there are 110.2 rainfall days, and 21.42" (544mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Mankato, Kansas, are January through May, October through December. In Mankato, in December, during 4.5 snowfall days, 1.81" (46mm) of snow is typically accumulated. In Mankato, during the entire year, snow falls for 24.3 days and aggregates up to 10.51" (267mm) of snow.

Daylight

The month with the shortest days in Mankato is December, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 7:35 am and sunset at 5:08 pm. On the last day of December, sunrise is at 7:53 am and sunset at 5:18 pm CST.

Sunshine

The months with the least sunshine in Mankato are January and December, with an average of 5.7h of sunshine.

UV index

The months with the lowest UV index in Mankato are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.
Note: In December, a regular UV index of 2 translates into these guidelines:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Mankato in December?

During December, Mankato experiences an average high-temperature of 38.5°F (3.6°C) and a low-temperature of 23.9°F (-4.5°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, in August is calculated to be 95°F (35°C).

What is the average humidity in December in Mankato?

In Mankato, Kansas, the average relative humidity in December is 72%.

How many days does it rain in December in Mankato?

In Mankato, during December, the rain falls for 4.5 days and regularly aggregates up to 1.3" (33mm) of precipitation.

How many days does it snow in December in Mankato?

In December, in Mankato, Kansas, it is snowing for 4.5 days. Throughout December, 1.81" (46mm) of snow is accumulated.

What is the month with the shortest days in Mankato?

December has the shortest days of the year in Mankato, Kansas, with an average of 9h and 24min of daylight.

How many hours of daylight does Mankato have in December?

In December, the average day length in Mankato, Kansas, is 9h and 25min.

When are sunrise and sunset in December in Mankato?

On the first day of December in Mankato, Kansas, sunrise is at 7:35 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 7:53 am and sunset at 5:18 pm CST.

What are the months with the least sunshine in Mankato?

January and December, with an average of 5.7h of sunshine, are months with the least sunshine in Mankato, Kansas.

How long on average sun shines in December in Mankato?

The average sunshine duration in December in Mankato is 5.7h.

When is the lowest UV index in Mankato?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index reading in December in Mankato?

The average daily maximum UV index in December in Mankato is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability 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
Mankato, KS

Average temperature in December - Mankato, KS
  • Average high temperature in December: 38.5°F

The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in December: 23.9°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).

Average pressure in December
Mankato, KS

Average pressure in December - Mankato, KS
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in December
Mankato, KS

Average wind speed in December - Mankato, KS
  • Average wind speed in December: 10.4mph

The windiest month (with the highest average wind speed) is April (11.8mph).
The calmest months (with the lowest average wind speed) are July and August (8.7mph).

Average humidity in December
Mankato, KS

Average humidity in December - Mankato, KS
  • Average humidity in December: 72%

The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is October (61%).

Average rainfall in December
Mankato, KS

Average rainfall in December - Mankato, KS
  • Average rainfall in December: 1.3"

The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is January (0.71").

Average rainfall days in December
Mankato, KS

Average rainfall days in December - Mankato, KS
  • Average rainfall days in December: 4.5 days

The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (2.6 days).

Average snowfall in December
Mankato, KS

Average snowfall in December - Mankato, KS
  • Average snowfall in December: 1.81"

The month with the highest snowfall is January (2.68").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Mankato, KS

Average snowfall days in December - Mankato, KS
  • Average snowfall days in December: 4.5 days

The month with the highest number of snowfall days is February (6.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Mankato, KS

Average daylight in December / Average sunshine in December - Mankato, KS
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in December: 5h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 42min).

Average sunshine days in December
Mankato, KS

Average sunshine days in December - Mankato, KS
  • Average sunshine days in December: 22.7 days

The months with the most sunshine days are January and November (23.2 days).
The months with the least sunshine days are May and June (13.8 days).

Average UV index in December
Mankato, KS

Average UV index in December - Mankato, KS
  • Average UV index in December: 2

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Mankato, KS

Average cloud cover in December - Mankato, KS
  • Average cloud cover in December: 37

The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 24).

Average visibility in December
Mankato, KS

Average visibility in December - Mankato, KS
  • Average visibility in December: 6mi

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

Mankato, Kansas, USA

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