December weather forecast
Spring Valley, MN

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Weather in December

The first month of the winter, December, is still a freezing cold month in Spring Valley, Minnesota, with an average temperature varying between 16.2°F (-8.8°C) and 26.2°F (-3.2°C).

Temperature

With the beginning of December, Spring Valley's average high-temperature experiences a significant decrease, moving from an icy 40.8°F (4.9°C) in November to a freezing cold 26.2°F (-3.2°C). The average nighttime temperature lowers to a still subzero cold 16.2°F (-8.8°C) throughout December.

Humidity

In December, the average relative humidity is 88%.

Rainfall

In Spring Valley, during December, the rain falls for 5.3 days and regularly aggregates up to 1.3" (33mm) of precipitation. Throughout the year, there are 136.6 rainfall days, and 25.79" (655mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Spring Valley, in December, during 12.5 snowfall days, 4.02" (102mm) of snow is typically accumulated. Throughout the year, there are 60.5 snowfall days, and 23.35" (593mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 0min of daylight.
On the first day of the month, sunrise is at 7:23 am and sunset at 4:33 pm. On the last day of December, sunrise is at 7:43 am and sunset at 4:42 pm CST.

Sunshine

The average sunshine in December is 3.8h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.
Note: An average UV index of 1 in December transforms into this advice:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.

Frequently asked questions

How cold is December?

In December, the average high-temperature and low-temperature are 26.2°F (-3.2°C) and 16.2°F (-8.8°C) respectively.

What is the average humidity in December?

In Spring Valley, the average relative humidity in December is 88%.

How many days does it rain in December?

In Spring Valley, during December, the rain falls for 5.3 days and regularly aggregates up to 1.3" (33mm) of precipitation.

How many days does it snow in December?

In December, it is snowing for 12.5 days. Throughout December, 4.02" (102mm) of snow is accumulated.

What is the month with the shortest days?

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

What is the average length of the day in December?

The average day length in December is 8h and 59min.

What time are sunrise and sunset in December?

On the first day of December in Spring Valley, sunrise is at 7:23 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 4:42 pm CST.

How long on average sun shines in December?

In December, the average sunshine duration is 3.8h.

When is the lowest UV index in Spring Valley?

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

What is the UV index reading in December?

In Spring Valley, Minnesota, the average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a low health threat 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
Spring Valley, MN

Average temperature in December - Spring Valley, MN
  • Average high temperature in December: 26.2°F

The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (20.8°F).

  • Average low temperature in December: 16.2°F

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (8.6°F).

Average pressure in December
Spring Valley, MN

Average pressure in December - Spring Valley, MN
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in December
Spring Valley, MN

Average wind speed in December - Spring Valley, MN
  • Average wind speed in December: 10.1mph

The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).

Average humidity in December
Spring Valley, MN

Average humidity in December - Spring Valley, MN
  • Average humidity in December: 88%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (74%).

Average rainfall in December
Spring Valley, MN

Average rainfall in December - Spring Valley, MN
  • Average rainfall in December: 1.3"

The wettest month (with the highest rainfall) is June (4.53").
The driest month (with the least rainfall) is January (0.91").

Average rainfall days in December
Spring Valley, MN

Average rainfall days in December - Spring Valley, MN
  • Average rainfall days in December: 5.3 days

The month with the highest number of rainy days is June (19.1 days).
The month with the least rainy days is February (3.6 days).

Average snowfall in December
Spring Valley, MN

Average snowfall in December - Spring Valley, MN
  • Average snowfall in December: 4.02"

The month with the highest snowfall is February (5.91").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Spring Valley, MN

Average snowfall days in December - Spring Valley, MN
  • Average snowfall days in December: 12.5 days

The month with the highest number of snowfall days is January (14.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Spring Valley, MN

Average daylight in December / Average sunshine in December - Spring Valley, 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: 3h and 5min

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

Average sunshine days in December
Spring Valley, MN

Average sunshine days in December - Spring Valley, MN
  • Average sunshine days in December: 15 days

The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is June (8.8 days).

Average UV index in December
Spring Valley, MN

Average UV index in December - Spring Valley, MN
  • Average UV index in December: 1

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in December
Spring Valley, MN

Average cloud cover in December - Spring Valley, MN
  • Average cloud cover in December: 62

The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in December
Spring Valley, MN

Average visibility in December - Spring Valley, MN
  • Average visibility in December: 5mi

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

Spring Valley, Minnesota, USA

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