December weather forecastUmpire, AR
December
Weather in December
December, the first month of the winter in Umpire, is still a cool month, with an average temperature ranging between max 50.5°F (10.3°C) and min 35.1°F (1.7°C).Temperature
The beginning of December subtly marks a decrease in the average high-temperature, transitioning from a refreshing 58.6°F (14.8°C) in November to a cool 50.5°F (10.3°C). Umpire observes an average nighttime low-temperature of 35.1°F (1.7°C) during the month of December.Humidity
In December, the average relative humidity is 78%.Rainfall
In Umpire, in December, during 10.5 rainfall days, 3.03" (77mm) of precipitation is typically accumulated. In Umpire, during the entire year, the rain falls for 164 days and collects up to 40.12" (1019mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Umpire, in December, during 1.5 snowfall days, 0.79" (20mm) of snow is typically accumulated. Throughout the year, there are 6.9 snowfall days, and 2.72" (69mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 7:04 am and sunset at 5:06 pm. On the last day of December, sunrise is at 7:22 am and sunset at 5:16 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 5.1h of sunshine.UV index
December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.Note: In December, the UV index of 2 transforms into the following advice:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Umpire, AR
- Average high temperature in December: 50.5°F
The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (48.2°F).
- Average low temperature in December: 35.1°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (31.8°F).
Average pressure in December
Umpire, 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 (29.93"Hg).
Average wind speed in December
Umpire, AR
- Average wind speed in December: 6.3mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Umpire, AR
- Average humidity in December: 78%
The months with the highest relative humidity are February and March (79%).
The month with the lowest relative humidity is August (72%).
Average rainfall in December
Umpire, AR
- Average rainfall in December: 3.03"
The wettest month (with the highest rainfall) is May (5.08").
The driest month (with the least rainfall) is January (2.28").
Average rainfall days in December
Umpire, AR
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is January (9.6 days).
Average snowfall in December
Umpire, AR
- Average snowfall in December: 0.79"
The month with the highest snowfall is February (0.94").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Umpire, AR
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Umpire, AR
- Average daylight in December: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 5h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in December
Umpire, AR
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is August (9.7 days).
Average UV index in December
Umpire, AR
- Average UV index in December: 2
The month with the highest UV index is June (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Umpire, AR
- Average cloud cover in December: 45
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June, August and September (Cloud cover 29).
Average visibility in December
Umpire, AR
- Average visibility in December: 5mi
The months with the highest visibility are March, April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, May and December (5mi).
