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
Arco in December showcases a distinct temperature shift, moving from an average high of an icy 41.7°F (5.4°C) in November to a freezing cold 25.7°F (-3.5°C). Throughout December, Arco registers a consistent average low-temperature of 14.9°F (-9.5°C).Humidity
The average relative humidity in December is 85%.Rainfall
In Arco, during December, the rain falls for 3.8 days and regularly aggregates up to 1.3" (33mm) of precipitation. In Arco, during the entire year, the rain falls for 114.5 days and collects up to 22.99" (584mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Arco, during December, snow falls for 11 days and regularly aggregates up to 5.16" (131mm) of snow. In Arco, during the entire year, snow falls for 54.5 days and aggregates up to 25.35" (644mm) of snow.Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:41 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 8:00 am and sunset at 4:55 pm CST.
Sunshine
In Arco, the average sunshine in December is 4.1h.UV index
In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 2 during December leads to these instructions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Arco have in December?
When are sunrise and sunset in December?
How many hours of sunshine does Arco have in December?
What is the UV index reading in December in Arco?
Average temperature in December
Arco, MN
- Average high temperature in December: 25.7°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (21°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 (7.3°F).
Average pressure in December
Arco, MN
- Average pressure in December: 30.12"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in December
Arco, MN
- Average wind speed in December: 10.5mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (8mph).
Average humidity in December
Arco, MN
- Average humidity in December: 85%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (66%).
Average rainfall in December
Arco, MN
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is June (3.27").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in December
Arco, MN
- Average rainfall days in December: 3.8 days
The month with the highest number of rainy days is June (17.7 days).
The month with the least rainy days is January (2.3 days).
Average snowfall in December
Arco, MN
- Average snowfall in December: 5.16"
The month with the highest snowfall is February (5.63").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Arco, MN
- Average snowfall days in December: 11 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Arco, 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: 4h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Arco, MN
- Average sunshine days in December: 17.7 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in December
Arco, 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).
Average cloud cover in December
Arco, MN
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in December
Arco, 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).
Arco, Minnesota, USA
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