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
In December, the average high-temperature goes from a refreshing 56.7°F (13.7°C) in November to a chilly 46.8°F (8.2°C). Harmon experiences a mean low-temperature of 32.2°F (0.1°C) during December.Humidity
In Harmon, Arkansas, the average relative humidity in December is 74%.Rainfall
In Harmon, during December, the rain falls for 8.8 days and regularly aggregates up to 2.09" (53mm) of precipitation. In Harmon, Arkansas, during the entire year, the rain falls for 151.2 days and collects up to 33.15" (842mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. In Harmon, in December, snow falls for 1.9 days, with typically accumulated 0.47" (12mm) of snow. In Harmon, during the entire year, snow falls for 12.1 days and aggregates up to 4.53" (115mm) of snow.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:10 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:12 pm CST.
Sunshine
The months with the least sunshine are January and December, with an average of 5.5h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A typical high UV index of 2 in December suggests the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. 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
What are the temperatures in December?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Harmon, AR
- Average high temperature in December: 46.8°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (44.4°F).
- Average low temperature in December: 32.2°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in December
Harmon, AR
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Harmon, AR
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is April (10.2mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in December
Harmon, AR
- Average humidity in December: 74%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are August and October (71%).
Average rainfall in December
Harmon, AR
- Average rainfall in December: 2.09"
The wettest month (with the highest rainfall) is May (4.13").
The driest month (with the least rainfall) is February (1.73").
Average rainfall days in December
Harmon, AR
- Average rainfall days in December: 8.8 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in December
Harmon, AR
- Average snowfall in December: 0.47"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Harmon, AR
- Average snowfall days in December: 1.9 days
The month with the highest number of snowfall days is February (3.8 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, AR
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 5h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in December
Harmon, AR
- Average sunshine days in December: 19.8 days
The months with the most sunshine days are January and December (19.8 days).
The month with the least sunshine days is July (12.5 days).
Average UV index in December
Harmon, AR
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Harmon, AR
- Average cloud cover in December: 40
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in December
Harmon, AR
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Harmon, Arkansas, USA
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