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
December is marked by a significant decrease, with the average high-temperature retreating from an icy 35.8°F (2.1°C) in November to a freezing cold 20.1°F (-6.6°C). An average low-temperature of 8.2°F (-13.2°C) is recorded during the nights in December.Humidity
In December, the average relative humidity is 89%.Rainfall
In McHenry, during December, the rain falls for 2.2 days and regularly aggregates up to 0.87" (22mm) of precipitation. In McHenry, during the entire year, the rain falls for 87.8 days and collects up to 15.83" (402mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. The month with the most snowfall is December, when snow falls for 13.6 days and typically aggregates up to 4.49" (114mm) of snow.Daylight
With an average of 8h and 30min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 8:02 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 8:22 am and sunset at 4:53 pm CST.
Sunshine
In December, the average sunshine in McHenry is 3.5h.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In December, an average UV index of 1 transforms into the following instructions:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. During bright days, sunglasses that offer UVA and UVB defense are recommended. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
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 in McHenry?
How much 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?
What is the average length of the day in December?
When are sunrise and sunset in December?
How many hours of sunshine does McHenry have in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
McHenry, ND
- Average high temperature in December: 20.1°F
The warmest months (with the highest average high temperature) are July and August (80.1°F).
The month with the lowest average high temperature is January (16.9°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 (2.7°F).
Average pressure in December
McHenry, 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
McHenry, ND
- Average wind speed in December: 10.4mph
The windiest month (with the highest average wind speed) is October (11.4mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in December
McHenry, 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 (60%).
Average rainfall in December
McHenry, ND
- Average rainfall in December: 0.87"
The wettest month (with the highest rainfall) is June (2.64").
The driest month (with the least rainfall) is February (0.43").
Average rainfall days in December
McHenry, ND
- Average rainfall days in December: 2.2 days
The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is February (1.1 days).
Average snowfall in December
McHenry, ND
- Average snowfall in December: 4.49"
The month with the highest snowfall is December (4.49").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
McHenry, ND
- Average snowfall days in December: 13.6 days
The month with the highest number of snowfall days is December (13.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
McHenry, 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 3min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in December
McHenry, ND
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is September (21.5 days).
The month with the least sunshine days is June (13 days).
Average UV index in December
McHenry, 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
McHenry, ND
- Average cloud cover in December: 63
The months with the most cloud cover are January and February (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in December
McHenry, 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).
McHenry, North Dakota, USA
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