December weather forecast
Heidelberg, MN

Weather in December

December, the first month of the winter in Heidelberg, is still a freezing cold month, with an average temperature varying between 14.9°F (-9.5°C) and 25.9°F (-3.4°C).

Temperature

In December, the average high-temperature significantly decreases from a cold 41°F (5°C) in November to a freezing cold 25.9°F (-3.4°C). In Heidelberg, in December, the average low-temperature is 14.9°F (-9.5°C).

Humidity

The average relative humidity in December is 88%.

Rainfall

In Heidelberg, Minnesota, during December, the rain falls for 4.5 days and regularly aggregates up to 1.5" (38mm) of precipitation. In Heidelberg, Minnesota, during the entire year, the rain falls for 126.1 days and collects up to 25.55" (649mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Heidelberg. In Heidelberg, during December, snow falls for 13.5 days and regularly aggregates up to 5.35" (136mm) of snow. In Heidelberg, during the entire year, snow falls for 63.7 days and aggregates up to 27.48" (698mm) of snow.

Daylight

With an average of 8h and 54min of daylight, December has the shortest days of the year in Heidelberg.
On the first day of the month, sunrise is at 7:30 am and sunset at 4:36 pm. On the last day of December, sunrise is at 7:50 am and sunset at 4:44 pm CST.

Sunshine

The average sunshine in December in Heidelberg is 3.5h.

UV index

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 2 in December interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in December in Heidelberg?

In Heidelberg, Minnesota, in December, the average high-temperature is 25.9°F (-3.4°C), and the average low-temperature is 14.9°F (-9.5°C).

What is the average humidity in December in Heidelberg?

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

How many days does it rain in December in Heidelberg?

In Heidelberg, in December, it is raining for 4.5 days, with typically 1.5" (38mm) of accumulated precipitation.

How many days does it snow in December in Heidelberg?

In December, in Heidelberg, it is snowing for 13.5 days. Throughout December, 5.35" (136mm) of snow is accumulated.

What is the month with the shortest days in Heidelberg?

The month with the shortest days in Heidelberg is December, with an average of 8h and 54min of daylight.

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

In Heidelberg, the average day length in December is 8h and 54min.

When are sunrise and sunset in December in Heidelberg?

In December, on the first day of the month, sunrise is at 7:30 am and sunset at 4:36 pm. On the last day of the month, in Heidelberg, Minnesota, sunrise is at 7:50 am and sunset at 4:44 pm CST.

How many hours of sunshine does Heidelberg have in December?

The average sunshine duration in December in Heidelberg, Minnesota, is 3.5h.

What is the UV index intensity in December in Heidelberg?

In Heidelberg, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from exposure to the Sun's 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
Heidelberg, MN

Average temperature in December - Heidelberg, MN
  • Average high temperature in December: 25.9°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 (20.7°F).

  • Average low temperature in December: 14.9°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (7.5°F).

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Average pressure in December
Heidelberg, MN

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

The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in December
Heidelberg, MN

Average wind speed in December - Heidelberg, MN
  • Average wind speed in December: 8.1mph

The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

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Average humidity in December
Heidelberg, MN

Average humidity in December - Heidelberg, MN
  • Average humidity in December: 88%

The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and October (72%).

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Average rainfall in December
Heidelberg, MN

Average rainfall in December - Heidelberg, MN
  • Average rainfall in December: 1.5"

The wettest month (with the highest rainfall) is June (3.82").
The driest month (with the least rainfall) is January (0.83").

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Average rainfall days in December
Heidelberg, MN

Average rainfall days in December - Heidelberg, MN
  • Average rainfall days in December: 4.5 days

The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is February (2.4 days).

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Average snowfall in December
Heidelberg, MN

Average snowfall in December - Heidelberg, MN
  • Average snowfall in December: 5.35"

The month with the highest snowfall is February (6.85").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Heidelberg, MN

Average snowfall days in December - Heidelberg, MN
  • Average snowfall days in December: 13.5 days

The month with the highest number of snowfall days is January (15.3 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
Heidelberg, MN

Average daylight in December / Average sunshine in December - Heidelberg, MN
  • Average daylight in December: 8h and 5min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in December: 3h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).

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Average sunshine days in December
Heidelberg, MN

Average sunshine days in December - Heidelberg, MN
  • Average sunshine days in December: 15.5 days

The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is June (10.1 days).

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Average UV index in December
Heidelberg, MN

Average UV index in December - Heidelberg, 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, February and November (UV index 1).

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Average cloud cover in December
Heidelberg, MN

Average cloud cover in December - Heidelberg, MN
  • Average cloud cover in December: 64

The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 32).

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Average visibility in December
Heidelberg, MN

Average visibility in December - Heidelberg, MN
  • Average visibility in December: 4mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).

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