December weather forecast
Menno, SD

Weather in December

The first month of the winter, December, is also a subzero cold month in Menno, South Dakota, with an average temperature ranging between min 17.1°F (-8.3°C) and max 29.5°F (-1.4°C).

Temperature

In Menno, the average high-temperature in December plummets from a chilly 45.7°F (7.6°C) in November to a subzero cold 29.5°F (-1.4°C). In December, the average low-temperature is 17.1°F (-8.3°C).

Humidity

The average relative humidity in December is 82%.

Rainfall

In Menno, during December, the rain falls for 2.9 days and regularly aggregates up to 0.98" (25mm) of precipitation. Throughout the year, in Menno, there are 106.8 rainfall days, and 19.29" (490mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. December is the month with the most snowfall. Snow falls for 7.5 days and accumulates 2.56" (65mm) of snow.

Daylight

With an average of 9h and 2min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:42 am and sunset at 4:56 pm. On the last day of December, in Menno, sunrise is at 8:02 am and sunset at 5:04 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 vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 2 in December interpret into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in December in Menno?

In Menno, South Dakota, 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', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in August is evaluated at 89.6°F (32°C).

What is the average humidity in December in Menno?

In December, the average relative humidity is 82%.

How many days does it rain in December in Menno?

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

When does it snow the most 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 many days does it snow in December in Menno?

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?

With an average of 9h and 2min of daylight, December has the shortest days of the year.

How many hours of daylight does Menno have in December?

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

When is the sunrise / sunset in December in Menno?

On the first day of December, sunrise is at 7:42 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 8:02 am and sunset at 5:04 pm CST.

How many hours of sunshine does Menno have in December?

The average sunshine duration in December in Menno is 4.7h.

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

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 intensity in December in Menno?

The average daily maximum UV index in December in Menno is 2. A UV Index value of 2, and less, symbolizes a low health threat 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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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 2min

The month with the longest days is June (Average daylight: 15h and 20min).
The month with the shortest days is December (Average daylight: 9h and 2min).

  • Average sunshine in December: 4h and 42min

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).

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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).

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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).

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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).

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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).

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