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
Harmon, North Dakota, in December showcases a distinct temperature shift, moving from an average high of a wintry 38.5°F (3.6°C) in November to a subzero cold 23°F (-5°C). The temperature in Harmon lowers to an average of 11.3°F (-11.5°C) during December nights.Humidity
The average relative humidity in December in Harmon, North Dakota, is 87%.Rainfall
In Harmon, during December, the rain falls for 2.9 days and regularly aggregates up to 0.63" (16mm) of precipitation. Throughout the year, there are 94.3 rainfall days, and 14.29" (363mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Harmon, North Dakota. December is the month with the most snowfall. Snow falls for 12.8 days and accumulates 3.31" (84mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 36min of daylight.On the first day of December, sunrise is at 8:09 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 8:29 am and sunset at 5:05 pm CST.
Sunshine
The average sunshine in December is 4.1h.UV index
November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, a regular UV index of 1 translates into these guidelines:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Harmon in December?
What is the average humidity in December in Harmon?
How many days does it rain in December in Harmon?
What is the snowiest month in Harmon?
How much does it snow in Harmon in December?
What is the month with the shortest days in Harmon?
What is the average length of the day in December in Harmon?
When are sunrise and sunset in December in Harmon?
How many hours of sunshine does Harmon have in December?
What are the months with the lowest UV index in Harmon?
What is the UV index reading in December in Harmon?
Average temperature in December
Harmon, ND
- Average high temperature in December: 23°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (20.7°F).
- Average low temperature in December: 11.3°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 (6.3°F).
Average pressure in December
Harmon, ND
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in December
Harmon, ND
- Average wind speed in December: 9.8mph
The windiest months (with the highest average wind speed) are April and October (10.8mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in December
Harmon, ND
- Average humidity in December: 87%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (55%).
Average rainfall in December
Harmon, ND
- Average rainfall in December: 0.63"
The wettest month (with the highest rainfall) is June (2.32").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in December
Harmon, ND
- Average rainfall days in December: 2.9 days
The month with the highest number of rainy days is June (13.1 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in December
Harmon, ND
- Average snowfall in December: 3.31"
The month with the highest snowfall is December (3.31").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Harmon, ND
- Average snowfall days in December: 12.8 days
The month with the highest number of snowfall days is December (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
Harmon, ND
- 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: 4h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Harmon, ND
- Average sunshine days in December: 16.8 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is June (14.6 days).
Average UV index in December
Harmon, ND
- 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 November and December (UV index 1).
Average cloud cover in December
Harmon, ND
- Average cloud cover in December: 58
The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in December
Harmon, ND
- 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, February, March and December (5mi).
Harmon, North Dakota, USA
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