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
Harlow's weather in December is marked by a clear decrease in the average high-temperature, moving down from November's cold 34.3°F (1.3°C) to a freezing cold 18.7°F (-7.4°C). During December, Harlow's temperature averages to a frigid cold 7°F (-13.9°C) at night.Humidity
In December, the average relative humidity in Harlow, North Dakota, is 90%.Rainfall
In Harlow, in December, during 2.5 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. Throughout the year, there are 96 rainfall days, and 15.39" (391mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. December is the month with the most snowfall. Snow falls for 16.1 days and accumulates 3.9" (99mm) of snow.Daylight
The month with the shortest days in Harlow, North Dakota, is December, with an average of 8h and 24min of daylight.On the first day of the month, sunrise is at 8:08 am and sunset at 4:46 pm. On the last day of December, in Harlow, North Dakota, sunrise is at 8:28 am and sunset at 4:54 pm CST.
Sunshine
The average sunshine in December is 3.5h.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index in Harlow, North Dakota. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 1 during December leads to these instructions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Harlow in December?
What is the average humidity in December in Harlow?
How much does it rain in Harlow in December?
When does it snow the most in Harlow?
How many days does it snow in December in Harlow?
What is the month with the shortest days in Harlow?
What is the average length of the day in December in Harlow?
What time are sunrise and sunset in December in Harlow?
How long on average sun shines in December in Harlow?
What is the month with the lowest UV index in Harlow?
What is the UV index reading in December in Harlow?
Average temperature in December
Harlow, ND
- Average high temperature in December: 18.7°F
The warmest month (with the highest average high temperature) is August (80.1°F).
The month with the lowest average high temperature is January (15.3°F).
- Average low temperature in December: 7°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (1.2°F).
Average pressure in December
Harlow, 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
Harlow, ND
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is October (11mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in December
Harlow, ND
- Average humidity in December: 90%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is August (57%).
Average rainfall in December
Harlow, ND
- Average rainfall in December: 0.67"
The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days in December
Harlow, ND
- Average rainfall days in December: 2.5 days
The month with the highest number of rainy days is June (15.7 days).
The month with the least rainy days is February (2.1 days).
Average snowfall in December
Harlow, ND
- Average snowfall in December: 3.9"
The month with the highest snowfall is December (3.9").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Harlow, ND
- Average snowfall days in December: 16.1 days
The month with the highest number of snowfall days is December (16.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Harlow, ND
- Average daylight in December: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 3h and 3min
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 12min).
Average sunshine days in December
Harlow, ND
- Average sunshine days in December: 15.3 days
The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is June (11.9 days).
Average UV index in December
Harlow, 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
Harlow, ND
- Average cloud cover in December: 64
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in December
Harlow, 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).
Harlow, North Dakota, USA
Weather forecast for your location
2. Allow the app to use your location