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 meteorological conditions change slightly, with the average high-temperature moving from a refreshing 62.4°F (16.9°C) in November to a fresh 54.5°F (12.5°C). The nights of December anticipate an average low-temperature of 39.6°F (4.2°C).Humidity
The months with the highest humidity are February, March and December, with an average relative humidity of 80%.Rainfall
In December, the rain falls for 12 days. Throughout December, 3.82" (97mm) of precipitation is accumulated. In Harmony Grove, during the entire year, the rain falls for 155.9 days and collects up to 38.86" (987mm) of precipitation.Snowfall
Months with snowfall in Harmony Grove, Arkansas, are January through March, November and December. In Harmony Grove, Arkansas, in December, snow falls for 0.5 days, with typically accumulated 0.08" (2mm) of snow. Throughout the year, in Harmony Grove, there are 3.7 snowfall days, and 1.3" (33mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 6:58 am and sunset at 5:02 pm. On the last day of December, in Harmony Grove, Arkansas, sunrise is at 7:15 am and sunset at 5:13 pm CST.
Sunshine
The average sunshine in December is 5.2h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 3 during December translates into these guidelines:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Harmony Grove?
What is the most humid month in Harmony Grove?
What is the average humidity in December in Harmony Grove?
How many days does it rain in December in Harmony Grove?
How many days does it snow in December in Harmony Grove?
What is the month with the shortest days in Harmony Grove?
How many hours of daylight does Harmony Grove have in December?
When are sunrise and sunset in December in Harmony Grove?
How long on average sun shines in December in Harmony Grove?
What are the months with the lowest UV index in Harmony Grove?
What is the UV index intensity in December in Harmony Grove?
Average temperature in December
Harmony Grove, AR
- Average high temperature in December: 54.5°F
The warmest month (with the highest average high temperature) is July (93.7°F).
The month with the lowest average high temperature is January (52°F).
- Average low temperature in December: 39.6°F
The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (36°F).
Average pressure in December
Harmony Grove, AR
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Harmony Grove, AR
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Harmony Grove, AR
- Average humidity in December: 80%
The months with the highest relative humidity are February, March and December (80%).
The months with the lowest relative humidity are July, August, September and October (71%).
Average rainfall in December
Harmony Grove, AR
- Average rainfall in December: 3.82"
The wettest month (with the highest rainfall) is April (4.88").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in December
Harmony Grove, AR
- Average rainfall days in December: 12 days
The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is October (9.5 days).
Average snowfall in December
Harmony Grove, AR
- Average snowfall in December: 0.08"
The month with the highest snowfall is February (0.59").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Harmony Grove, AR
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (1.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Harmony Grove, AR
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Harmony Grove, AR
- Average sunshine days in December: 16.6 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is July (12.7 days).
Average UV index in December
Harmony Grove, AR
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Harmony Grove, AR
- Average cloud cover in December: 46
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are June and September (Cloud cover 28).
Average visibility in December
Harmony Grove, AR
- 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).
Harmony Grove, Arkansas, USA
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