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
A clear reduction in the average high-temperature marks the arrival of December, falling from a cold 35.4°F (1.9°C) in November to a freezing cold 20.1°F (-6.6°C). Throughout December, the nighttime temperature averages to a frigid cold 8.2°F (-13.2°C).Humidity
The average relative humidity in December is 89%.Rainfall
In Harvey, in December, it is raining for 3 days, with typically 0.83" (21mm) of accumulated precipitation. In Harvey, during the entire year, the rain falls for 105.9 days and collects up to 17.32" (440mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. The month with the most snowfall is December, when snow falls for 16 days and typically aggregates up to 4.84" (123mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 30min of daylight.On the first day of the month, sunrise is at 8:08 am and sunset at 4:49 pm. On the last day of December, sunrise is at 8:28 am and sunset at 4:57 pm CST.
Sunshine
In December, the average sunshine is 3.6h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 1 during December translates into the following directions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. To guard against the harmful effects of the Sun, minimize exposure during midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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?
When does it snow the most?
How many days does it snow in December?
What is the month with the shortest days in Harvey?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Harvey have in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Harvey, ND
- Average high temperature in December: 20.1°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (17.1°F).
- Average low temperature in December: 8.2°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (3°F).
Average pressure in December
Harvey, ND
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is February (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in December
Harvey, ND
- Average wind speed in December: 10.2mph
The windiest month (with the highest average wind speed) is October (11.5mph).
The calmest month (with the lowest average wind speed) is August (8.8mph).
Average humidity in December
Harvey, ND
- Average humidity in December: 89%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (57%).
Average rainfall in December
Harvey, ND
- Average rainfall in December: 0.83"
The wettest month (with the highest rainfall) is June (3.07").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days in December
Harvey, ND
- Average rainfall days in December: 3 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is February (2.1 days).
Average snowfall in December
Harvey, ND
- Average snowfall in December: 4.84"
The month with the highest snowfall is December (4.84").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Harvey, ND
- Average snowfall days in December: 16 days
The month with the highest number of snowfall days is December (16 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Harvey, ND
- Average daylight in December: 8h and 3min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in December: 3h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in December
Harvey, ND
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is September (18 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in December
Harvey, 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 January, February and December (UV index 1).
Average cloud cover in December
Harvey, ND
- Average cloud cover in December: 63
The month with the most cloud cover is February (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in December
Harvey, 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).
Harvey, North Dakota, USA
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