December weather forecast
Quinn, SD

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Weather in December

The first month of the winter, December, is still a freezing cold month in Quinn, South Dakota, with an average temperature ranging between max 30.7°F (-0.7°C) and min 18°F (-7.8°C).

Temperature

A decrease in the average high-temperature marks December, falling from November's chilly 46.4°F (8°C) to a freezing cold 30.7°F (-0.7°C). Quinn's average low-temperature during December nights is observed to be 18°F (-7.8°C).

Humidity

In Quinn, the average relative humidity in December is 79%.

Rainfall

In Quinn, in December, it is raining for 2.7 days, with typically 0.71" (18mm) of accumulated precipitation. In Quinn, South Dakota, during the entire year, the rain falls for 95.3 days and collects up to 13.74" (349mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Quinn, in December, during 6.9 snowfall days, 2.95" (75mm) of snow is typically accumulated. In Quinn, during the entire year, snow falls for 38.8 days and aggregates up to 16.1" (409mm) of snow.

Daylight

With an average of 9h and 0min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:03 am and sunset at 4:11 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:20 pm MST.

Sunshine

In Quinn, the average sunshine in December is 5.3h.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index of 1 during December leads to these instructions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

In December, in Quinn, the average high-temperature is 30.7°F (-0.7°C), and the average low-temperature is 18°F (-7.8°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in August is estimated at 89.6°F (32°C).

What is the average humidity in December?

The average relative humidity in December is 79%.

How many days does it rain in December?

In Quinn, in December, it is raining for 2.7 days, with typically 0.71" (18mm) of accumulated precipitation.

How much does it snow in December?

In Quinn, during December, snow falls for 6.9 days and regularly aggregates up to 2.95" (75mm) of snow.

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?

In December, the average day length is 8h and 58min.

What time are sunrise and sunset in December in Quinn?

On the first day of December, sunrise is at 7:03 am and sunset at 4:11 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:20 pm MST.

How long on average sun shines in December?

The average sunshine duration in December is 5.3h.

When is the lowest UV index?

The month with the lowest UV index is December, with an average maximum UV index of 1.

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 risk 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
Quinn, SD

Average temperature in December - Quinn, SD
  • Average high temperature in December: 30.7°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (29.8°F).

  • Average low temperature in December: 18°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).

Average pressure in December
Quinn, SD

Average pressure in December - Quinn, SD
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in December
Quinn, SD

Average wind speed in December - Quinn, SD
  • Average wind speed in December: 10.3mph

The windiest month (with the highest average wind speed) is April (12.1mph).
The calmest month (with the lowest average wind speed) is February (10.1mph).

Average humidity in December
Quinn, SD

Average humidity in December - Quinn, SD
  • Average humidity in December: 79%

The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is September (47%).

Average rainfall in December
Quinn, SD

Average rainfall in December - Quinn, SD
  • Average rainfall in December: 0.71"

The wettest month (with the highest rainfall) is May (2.09").
The driest month (with the least rainfall) is January (0.39").

Average rainfall days in December
Quinn, SD

Average rainfall days in December - Quinn, SD
  • Average rainfall days in December: 2.7 days

The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is February (2.6 days).

Average snowfall in December
Quinn, SD

Average snowfall in December - Quinn, SD
  • Average snowfall in December: 2.95"

The month with the highest snowfall is February (3.15").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Quinn, SD

Average snowfall days in December - Quinn, SD
  • Average snowfall days in December: 6.9 days

The month with the highest number of snowfall days is February (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Quinn, SD

Average daylight in December / Average sunshine in December - Quinn, SD
  • 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: 5h and 2min

The month with the most sunshine is August (Average sunshine: 11h and 42min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).

Average sunshine days in December
Quinn, SD

Average sunshine days in December - Quinn, SD
  • Average sunshine days in December: 21.1 days

The month with the most sunshine days is December (21.1 days).
The months with the least sunshine days are April and June (14.1 days).

Average UV index in December
Quinn, SD

Average UV index in December - Quinn, SD
  • Average UV index in December: 1

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in December
Quinn, SD

Average cloud cover in December - Quinn, SD
  • Average cloud cover in December: 44

The month with the most cloud cover is January (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 18).

Average visibility in December
Quinn, SD

Average visibility in December - Quinn, 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).

Quinn, South Dakota, USA

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