December weather forecast
Menno, SD

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Weather in December

December in Menno hails the onset of winter, bringing back heavy snowfall and marking the shortest days of the year. The temperatures dip, huddling close to the freezing point and snow blankets the town with an average of 2.56" (65mm). However, the coldest day typically falls after the winter solstice, extending the winter chill. Winter sports enthusiasts find December particularly appealing for its snowy landscapes. Though Menno's winter is harsh, December manages to spread the festive cheer, adding to the town's charm and warmth.

Temperature

In December, the meteorological conditions in Menno markedly change with the average high-temperature descending from a frosty 45.7°F (7.6°C) in November to a subzero cold 29.5°F (-1.4°C). The average temperature during December nights in Menno is registered at a still freezing cold 17.1°F (-8.3°C).

Humidity

The average relative humidity in December is 82%.

Rainfall

In Menno, in December, during 2.9 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. Throughout the year, there are 106.8 rainfall days, and 19.29" (490mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall in Menno. The month with the most snowfall in Menno, South Dakota, is December, when snow falls for 7.5 days and typically aggregates up to 2.56" (65mm) of snow.

Daylight

December has the shortest days of the year in Menno, with an average of 9h and 0min of daylight.
On the first day of the month, sunrise is at 7:43 am and sunset at 4:55 pm. On the last day of December, sunrise is at 8:02 am and sunset at 5:05 pm CST.

Sunshine

In Menno, the average sunshine in December is 4.7h.

UV index

The months with the lowest UV index in Menno are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: During December, 2 as the daily maximum UV index converts into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December in Menno?

In Menno, in December, the average high-temperature is 29.5°F (-1.4°C), and the average low-temperature is 17.1°F (-8.3°C). The average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, in August is calculated to be 89.6°F (32°C).

What is the average humidity in December in Menno?

The average relative humidity in December in Menno is 82%.

How much does it rain in Menno in December?

In Menno, in December, it is raining for 2.9 days, with typically 0.98" (25mm) of accumulated precipitation.

What is the snowiest month in Menno?

December is the month with the most snowfall in Menno, South Dakota. Snow falls for 7.5 days and accumulates 2.56" (65mm) of snow.

How much does it snow in Menno in December?

In Menno, South Dakota, in December, snow falls for 7.5 days, with typically accumulated 2.56" (65mm) of snow.

What is the month with the shortest days in Menno?

The month with the shortest days in Menno is December, with an average of 9h and 0min of daylight.

What is the average length of the day in December in Menno?

In Menno, South Dakota, the average day length in December is 9h and 2min.

When are sunrise and sunset in December in Menno?

On the first day of December in Menno, South Dakota, sunrise is at 7:43 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 8:02 am and sunset at 5:05 pm CST.

How many hours of sunshine does Menno have in December?

The average sunshine duration in December in Menno, South Dakota, is 4.7h.

When is the lowest UV index in Menno?

The months with the lowest UV index in Menno, South Dakota, are January, February, November and December, with an average maximum UV index of 2.

How high is the UV index in December in Menno?

In Menno, South Dakota, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from 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
Menno, SD

Average temperature in December - Menno, SD
  • Average high temperature in December: 29.5°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (26.2°F).

  • Average low temperature in December: 17.1°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).

Average pressure in December
Menno, SD

Average pressure in December - Menno, SD
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in December
Menno, SD

Average wind speed in December - Menno, SD
  • Average wind speed in December: 10.4mph

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (8.5mph).

Average humidity in December
Menno, SD

Average humidity in December - Menno, SD
  • Average humidity in December: 82%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (63%).

Average rainfall in December
Menno, SD

Average rainfall in December - Menno, SD
  • Average rainfall in December: 0.98"

The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is February (0.51").

Average rainfall days in December
Menno, SD

Average rainfall days in December - Menno, SD
  • Average rainfall days in December: 2.9 days

The month with the highest number of rainy days is June (15.8 days).
The month with the least rainy days is January (2.5 days).

Average snowfall in December
Menno, SD

Average snowfall in December - Menno, SD
  • Average snowfall in December: 2.56"

The month with the highest snowfall is December (2.56").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Menno, SD

Average snowfall days in December - Menno, SD
  • Average snowfall days in December: 7.5 days

The month with the highest number of snowfall days is December (7.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Menno, SD

Average daylight in December / Average sunshine in December - Menno, SD
  • Average daylight in December: 9h and 0min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in December: 4h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

Average sunshine days in December
Menno, SD

Average sunshine days in December - Menno, SD
  • Average sunshine days in December: 21.5 days

The month with the most sunshine days is November (22.8 days).
The month with the least sunshine days is June (11.8 days).

Average UV index in December
Menno, SD

Average UV index in December - Menno, SD
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Menno, SD

Average cloud cover in December - Menno, SD
  • Average cloud cover in December: 48

The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 23).

Average visibility in December
Menno, SD

Average visibility in December - Menno, SD
  • 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).

Menno, South Dakota, USA

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