Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Rushmore's weather experiences a significant temperature drop with the arrival of December, falling from a wintry 41.7°F (5.4°C) in November to a freezing cold 26.2°F (-3.2°C). Rushmore's nights in December experience an average temperature drop to 15.4°F (-9.2°C).Humidity
In December, the average relative humidity in Rushmore is 86%.Rainfall
In Rushmore, in December, during 5.1 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. Throughout the year, there are 130.6 rainfall days, and 24.57" (624mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Rushmore. In Rushmore, in December, snow falls for 13.8 days, with typically accumulated 4.69" (119mm) of snow. In Rushmore, during the entire year, snow falls for 62.3 days and aggregates up to 26.18" (665mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 0min of daylight.On the first day of December, sunrise is at 7:37 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:56 am and sunset at 4:56 pm CST.
Sunshine
In December, the average sunshine is 4.2h.UV index
The average daily maximum UV index in December in Rushmore is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A maximum daily UV index of 2 during December morphs into the following directions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Rushmore in December?
What is the average humidity in December in Rushmore?
How much does it rain in Rushmore in December?
How many days does it snow in December in Rushmore?
What is the month with the shortest days in Rushmore?
How many hours of daylight does Rushmore have in December?
When are sunrise and sunset in December in Rushmore?
How many hours of sunshine does Rushmore have in December?
What is the UV index reading in December in Rushmore?
Average temperature in December
Rushmore, MN
- Average high temperature in December: 26.2°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 (21.6°F).
- Average low temperature in December: 15.4°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 (8.6°F).
Average pressure in December
Rushmore, MN
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in December
Rushmore, MN
- Average wind speed in December: 11mph
The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is July (8mph).
Average humidity in December
Rushmore, MN
- Average humidity in December: 86%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (68%).
Average rainfall in December
Rushmore, MN
- Average rainfall in December: 1.38"
The wettest month (with the highest rainfall) is June (3.78").
The driest month (with the least rainfall) is January (0.83").
Average rainfall days in December
Rushmore, MN
- Average rainfall days in December: 5.1 days
The month with the highest number of rainy days is June (19 days).
The month with the least rainy days is February (2.9 days).
Average snowfall in December
Rushmore, MN
- Average snowfall in December: 4.69"
The month with the highest snowfall is February (6.22").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Rushmore, MN
- Average snowfall days in December: 13.8 days
The month with the highest number of snowfall days is January (14.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rushmore, 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: 4h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Rushmore, MN
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is June (8.7 days).
Average UV index in December
Rushmore, MN
- Average UV index in December: 2
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are February and November (UV index 1).
Average cloud cover in December
Rushmore, MN
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in December
Rushmore, MN
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Rushmore, Minnesota, USA
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