December weather forecast
Richwood, MN

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Weather in December

December, the first month of the winter in Richwood, is also a subzero cold month, with an average temperature ranging between max 20.3°F (-6.5°C) and min 9.3°F (-12.6°C).

Temperature

The start of December signals a clear decrease in the average high-temperature, falling from a cold 35.4°F (1.9°C) in November to a freezing cold 20.3°F (-6.5°C). An average low-temperature of 9.3°F (-12.6°C) marks the nights throughout December.

Humidity

In December, the average relative humidity is 90%.

Rainfall

In December, in Richwood, Minnesota, the rain falls for 2.7 days. Throughout December, 0.98" (25mm) of precipitation is accumulated. Throughout the year, there are 109.9 rainfall days, and 19.72" (501mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. The month with the most snowfall is December, when snow falls for 19.4 days and typically aggregates up to 6.26" (159mm) of snow.

Daylight

With an average of 8h and 36min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:49 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 8:08 am and sunset at 4:44 pm CST.

Sunshine

In Richwood, the average sunshine in December is 2.8h.

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 unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily high UV index of 1 in December translates into this advice:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.

Frequently asked questions

How cold is December in Richwood?

In December, in Richwood, the average high-temperature is 20.3°F (-6.5°C), and the average low-temperature is 9.3°F (-12.6°C).

What is the average humidity in December?

In Richwood, the average relative humidity in December is 90%.

How many days does it rain in December?

In December, the rain falls for 2.7 days. Throughout December, 0.98" (25mm) of precipitation is accumulated.

What is the snowiest month?

The month with the most snowfall is December, when snow falls for 19.4 days and typically aggregates up to 6.26" (159mm) of snow.

How many days does it snow in December?

In Richwood, during December, snow falls for 19.4 days and regularly aggregates up to 6.26" (159mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 8h and 36min of daylight.

How many hours of daylight does Richwood have in December?

The average day length in December is 8h and 35min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:49 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 8:08 am and sunset at 4:44 pm CST.

How long on average sun shines in December?

In December, the average sunshine duration is 2.8h.

What are the months with the lowest UV index?

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?

The average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a low health threat from unsafe 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
Richwood, MN

Average temperature in December - Richwood, MN
  • Average high temperature in December: 20.3°F

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (15.6°F).

  • Average low temperature in December: 9.3°F

The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (1.9°F).

Average pressure in December
Richwood, MN

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

The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in December
Richwood, MN

Average wind speed in December - Richwood, MN
  • Average wind speed in December: 8.9mph

The windiest month (with the highest average wind speed) is October (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.8mph).

Average humidity in December
Richwood, MN

Average humidity in December - Richwood, MN
  • Average humidity in December: 90%

The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is May (69%).

Average rainfall in December
Richwood, MN

Average rainfall in December - Richwood, MN
  • Average rainfall in December: 0.98"

The wettest month (with the highest rainfall) is June (3.27").
The driest month (with the least rainfall) is February (0.75").

Average rainfall days in December
Richwood, MN

Average rainfall days in December - Richwood, MN
  • Average rainfall days in December: 2.7 days

The month with the highest number of rainy days is June (17.2 days).
The month with the least rainy days is February (2.2 days).

Average snowfall in December
Richwood, MN

Average snowfall in December - Richwood, MN
  • Average snowfall in December: 6.26"

The month with the highest snowfall is December (6.26").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Richwood, MN

Average snowfall days in December - Richwood, MN
  • Average snowfall days in December: 19.4 days

The month with the highest number of snowfall days is January (19.7 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in December / Average sunshine in December - Richwood, MN
  • Average daylight in December: 8h and 4min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in December: 2h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).

Average sunshine days in December
Richwood, MN

Average sunshine days in December - Richwood, MN
  • Average sunshine days in December: 11.9 days

The month with the most sunshine days is August (17.6 days).
The month with the least sunshine days is June (10.3 days).

Average UV index in December
Richwood, MN

Average UV index in December - Richwood, 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
Richwood, MN

Average cloud cover in December - Richwood, MN
  • Average cloud cover in December: 72

The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in December
Richwood, MN

Average visibility in December - Richwood, MN
  • Average visibility in December: 5mi

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 and February (4mi).

Richwood, Minnesota, USA

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