December weather forecast
Umpire, AR

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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.

Frequently asked questions

What are the temperatures in Umpire in December?

The high-temperature during December is 50.5°F (10.3°C) and the low-temperature is 35.1°F (1.7°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in September is appraised at 89.6°F (32°C).

What is the average humidity in December in Umpire?

The average relative humidity in December is 78%.

How much does it rain in December?

In Umpire, during December, the rain falls for 10.5 days and regularly aggregates up to 3.03" (77mm) of precipitation.

How much does it snow in December?

In Umpire, in December, snow falls for 1.5 days, with typically accumulated 0.79" (20mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 54min of daylight.

How many hours of daylight does Umpire have in December?

In Umpire, Arkansas, the average day length in December is 9h and 55min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:04 am and sunset at 5:06 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:16 pm CST.

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 5.1h of sunshine.

How long on average sun shines in December?

In Umpire, Arkansas, the average sunshine duration in December is 5.1h.

What is the month with the lowest UV index?

The month with the lowest UV index is December, with an average maximum UV index of 2.

What is the UV index intensity in December?

In Umpire, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Umpire, AR

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in December - Umpire, AR
  • Average daylight in December: 9h and 5min

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 1min

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 - 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 - 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 - 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 - 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).

Umpire, Arkansas, USA

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