December weather forecast
Dumas, AR

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Weather in December

December, the first month of the winter in Dumas, is still a cool month, with an average temperature fluctuating between 40.6°F (4.8°C) and 53.2°F (11.8°C).

Temperature

In December, the average high-temperature marginally drops from an enjoyable 61.7°F (16.5°C) in November to a cool 53.2°F (11.8°C). Dumas observes an average nighttime low-temperature of 40.6°F (4.8°C) during the month of December.

Humidity

In December, the average relative humidity is 78%.

Rainfall

In Dumas, during December, the rain falls for 11.6 days and regularly aggregates up to 3.7" (94mm) of precipitation. In Dumas, during the entire year, the rain falls for 153.1 days and collects up to 40.47" (1028mm) of precipitation.

Snowfall

Months with snowfall in Dumas are January through March, November and December. In Dumas, Arkansas, in December, during 0.5 snowfall days, 0.08" (2mm) of snow is typically accumulated. Throughout the year, in Dumas, there are 3.1 snowfall days, and 1.5" (38mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 54min of daylight.
On the first day of December in Dumas, Arkansas, sunrise is at 6:53 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:07 pm CST.

Sunshine

In December, the average sunshine is 5.1h.

UV index

The months with the lowest UV index in Dumas are January, February and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, a regular UV index of 3 translates into these guidelines:
Adopt protective measures - Suggestions to resist sunburn are offered. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.

Frequently asked questions

What are the temperatures in Dumas in December?

In December, in Dumas, the average high-temperature is 53.2°F (11.8°C), and the average low-temperature is 40.6°F (4.8°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in September is calculated to be 95°F (35°C).

What is the average humidity in December in Dumas?

In Dumas, the average relative humidity in December is 78%.

How much does it rain in Dumas in December?

In December, in Dumas, the rain falls for 11.6 days. Throughout December, 3.7" (94mm) of precipitation is accumulated.

How many days does it snow in December in Dumas?

In Dumas, Arkansas, during December, snow falls for 0.5 days and regularly aggregates up to 0.08" (2mm) of snow.

What is the month with the shortest days in Dumas?

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

How many hours of daylight does Dumas have in December?

The average day length in December in Dumas, Arkansas, is 9h and 56min.

What time are sunrise and sunset in December in Dumas?

On the first day of December, sunrise is at 6:53 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:07 pm CST.

How long on average sun shines in December in Dumas?

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

What is the month with the lowest UV index in Dumas?

January, February and December, with an average maximum UV index of 3, are months with the lowest UV index in Dumas.

How high is the UV index in December in Dumas?

The average daily maximum UV index in December in Dumas, Arkansas, is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
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
Dumas, AR

Average temperature in December - Dumas, AR
  • Average high temperature in December: 53.2°F

The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (50.5°F).

  • Average low temperature in December: 40.6°F

The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (37°F).

Average pressure in December
Dumas, AR

Average pressure in December - Dumas, 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 (29.94"Hg).

Average wind speed in December
Dumas, AR

Average wind speed in December - Dumas, AR
  • Average wind speed in December: 8.6mph

The windiest month (with the highest average wind speed) is February (9.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in December
Dumas, AR

Average humidity in December - Dumas, AR
  • Average humidity in December: 78%

The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is October (67%).

Average rainfall in December
Dumas, AR

Average rainfall in December - Dumas, AR
  • Average rainfall in December: 3.7"

The wettest month (with the highest rainfall) is April (4.37").
The driest month (with the least rainfall) is November (2.2").

Average rainfall days in December
Dumas, AR

Average rainfall days in December - Dumas, AR
  • Average rainfall days in December: 11.6 days

The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is October (8.6 days).

Average snowfall in December
Dumas, AR

Average snowfall in December - Dumas, AR
  • Average snowfall in December: 0.08"

The month with the highest snowfall is February (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Dumas, AR

Average snowfall days in December - Dumas, AR
  • Average snowfall days in December: 0.5 days

The month with the highest number of snowfall days is February (1.3 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
Dumas, AR

Average daylight in December / Average sunshine in December - Dumas, 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 June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in December
Dumas, AR

Average sunshine days in December - Dumas, AR
  • Average sunshine days in December: 17 days

The month with the most sunshine days is October (21.1 days).
The month with the least sunshine days is July (11.9 days).

Average UV index in December
Dumas, AR

Average UV index in December - Dumas, AR
  • Average UV index in December: 3

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).

Average cloud cover in December
Dumas, AR

Average cloud cover in December - Dumas, AR
  • Average cloud cover in December: 45

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 26).

Average visibility in December
Dumas, AR

Average visibility in December - Dumas, 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).

Dumas, Arkansas, USA

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