December weather forecast
Harmony, MN

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Weather in December

The first month of the winter, December, is still a freezing cold month in Harmony, Minnesota, with an average temperature fluctuating between 16.3°F (-8.7°C) and 26.4°F (-3.1°C).

Temperature

December is marked by a distinct decrease in the average high-temperature, falling from a cold 40.8°F (4.9°C) in November to a freezing cold 26.4°F (-3.1°C). In December, in Harmony, the average low-temperature is a still subzero cold 16.3°F (-8.7°C).

Humidity

The average relative humidity in December is 88%.

Rainfall

In Harmony, in December, during 4.2 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. In Harmony, Minnesota, during the entire year, the rain falls for 123.3 days and collects up to 19.37" (492mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Harmony, in December, snow falls for 11.6 days, with typically accumulated 1.97" (50mm) of snow. In Harmony, during the entire year, snow falls for 51.2 days and aggregates up to 14.49" (368mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 0min of daylight.
On the first day of the month, sunrise is at 7:22 am and sunset at 4:32 pm. On the last day of December, in Harmony, sunrise is at 7:41 am and sunset at 4:41 pm CST.

Sunshine

In December, the average sunshine is 3.8h.

UV index

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.
Note: In December, the UV index of 1 transforms into the following advice:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. It's recommended to limit sun exposure when its radiation is at its peak during midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Updated: Aug 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

In December, in Harmony, the average high-temperature is 26.4°F (-3.1°C), and the average low-temperature is 16.3°F (-8.7°C).

What is the average humidity in December?

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

How much does it rain in Harmony in December?

In Harmony, in December, it is raining for 4.2 days, with typically 0.83" (21mm) of accumulated precipitation.

How much does it snow in December?

In December, it is snowing for 11.6 days. Throughout December, 1.97" (50mm) 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.

How many hours of daylight does Harmony have in December?

The average day length in December is 9h and 1min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:22 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 4:41 pm CST.

How long on average sun shines in December?

The average sunshine duration in December is 3.8h.

When is the lowest UV index in Harmony?

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

How high is the UV index in December?

In Harmony, the average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Harmony, MN

Average temperature in December - Harmony, MN
  • Average high temperature in December: 26.4°F

The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (21°F).

  • Average low temperature in December: 16.3°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (8.4°F).

Average pressure in December
Harmony, MN

Average pressure in December - Harmony, 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
Harmony, MN

Average wind speed in December - Harmony, MN
  • Average wind speed in December: 9.9mph

The windiest months (with the highest average wind speed) are January, February, April and November (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (7.2mph).

Average humidity in December
Harmony, MN

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

The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is October (75%).

Average rainfall in December
Harmony, MN

Average rainfall in December - Harmony, MN
  • Average rainfall in December: 0.83"

The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is January (0.63").

Average rainfall days in December
Harmony, MN

Average rainfall days in December - Harmony, MN
  • Average rainfall days in December: 4.2 days

The month with the highest number of rainy days is June (17.2 days).
The month with the least rainy days is February (2.8 days).

Average snowfall in December
Harmony, MN

Average snowfall in December - Harmony, MN
  • Average snowfall in December: 1.97"

The month with the highest snowfall is February (3.74").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Harmony, MN

Average snowfall days in December - Harmony, MN
  • Average snowfall days in December: 11.6 days

The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Harmony, MN

Average daylight in December / Average sunshine in December - Harmony, 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
Harmony, MN

Average sunshine days in December - Harmony, MN
  • Average sunshine days in December: 17.5 days

The month with the most sunshine days is November (18.1 days).
The month with the least sunshine days is June (9.8 days).

Average UV index in December
Harmony, MN

Average UV index in December - Harmony, 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
Harmony, MN

Average cloud cover in December - Harmony, MN
  • Average cloud cover in December: 62

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in December
Harmony, MN

Average visibility in December - Harmony, 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).

Harmony, Minnesota, USA

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