December weather forecast
Alva, OK

Weather in December

The first month of the winter, December, is still a chilly month in Alva, Oklahoma, with an average temperature ranging between min 31.3°F (-0.4°C) and max 47.1°F (8.4°C).

Temperature

In Alva, the average high-temperature in December drops from a mild 58.1°F (14.5°C) in November to a frosty 47.1°F (8.4°C). In December, the average low-temperature is 31.3°F (-0.4°C).

Humidity

In Alva, the average relative humidity in December is 63%.

Rainfall

January, February, November and December are months with the least rain in Alva, Oklahoma, when the rain falls for 4.6 days and typically aggregates up to 0.63" (16mm) of rain.

Snowfall

January through April, October through December are months with snowfall. In Alva, Oklahoma, during 1.8 snowfall days, 0.71" (18mm) of snow is typically accumulated. In Alva, during the entire year, snow falls for 10.8 days and aggregates up to 5.16" (131mm) of snow.

Daylight

With an average of 9h and 41min of daylight, December has the shortest days of the year in Alva.
On the first day of the month, sunrise is at 7:28 am and sunset at 5:18 pm. On the last day of December, in Alva, sunrise is at 7:47 am and sunset at 5:28 pm CST.

Sunshine

With an average of 6.4h of sunshine, December has the least sunshine of the year.

UV index

The months with the lowest UV index in Alva are January and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 2 in December interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in December in Alva?

In Alva, the average relative humidity in December is 63%.

What is the driest month in Alva?

The months with the least rainfall in Alva are January, February, November and December Rain falls for 4.6 days and accumulates 0.63" (16mm) of rain.

How many days does it rain in December in Alva?

In Alva, Oklahoma, in December, it is raining for 4.6 days, with typically 0.63" (16mm) of accumulated precipitation.

How much does it snow in Alva in December?

In Alva, in December, during 1.8 snowfall days, 0.71" (18mm) of snow is typically accumulated.

What is the month with the shortest days in Alva?

With an average of 9h and 41min of daylight, December has the shortest days of the year in Alva, Oklahoma.

How many hours of daylight does Alva have in December?

The average day length in December in Alva is 9h and 41min.

What time are sunrise and sunset in December in Alva?

On the first day of December in Alva, Oklahoma, sunrise is at 7:28 am and sunset at 5:18 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 5:28 pm CST.

What is the month with the least sunshine in Alva?

December has the least sunshine of the year in Alva, Oklahoma, with an average of 6.4h of sunshine.

How long on average sun shines in December in Alva?

In Alva, the average sunshine duration in December is 6.4h.

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

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Alva, Oklahoma.

What is the UV index reading in December in Alva?

In December, the average daily maximum UV index in Alva, Oklahoma, is 2. A UV Index reading of 2, and below, represents a low health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Alva, OK

Average temperature in December - Alva, OK
  • Average high temperature in December: 47.1°F

The warmest month (with the highest average high temperature) is July (95.4°F).
The month with the lowest average high temperature is January (46.6°F).

  • Average low temperature in December: 31.3°F

The month with the highest average low temperature is July (74.8°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).

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Average pressure in December
Alva, OK

Average pressure in December - Alva, OK
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in December
Alva, OK

Average wind speed in December - Alva, OK
  • Average wind speed in December: 9.9mph

The windiest month (with the highest average wind speed) is April (12mph).
The calmest month (with the lowest average wind speed) is August (9mph).

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Average humidity in December
Alva, OK

Average humidity in December - Alva, OK
  • Average humidity in December: 63%

The month with the highest relative humidity is May (65%).
The month with the lowest relative humidity is July (53%).

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Average rainfall in December
Alva, OK

Average rainfall in December - Alva, OK
  • Average rainfall in December: 0.63"

The wettest month (with the highest rainfall) is May (3.43").
The driest months (with the least rainfall) are January, February, November and December (0.63").

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Average rainfall days in December
Alva, OK

Average rainfall days in December - Alva, OK
  • Average rainfall days in December: 4.6 days

The month with the highest number of rainy days is May (12.9 days).
The month with the least rainy days is January (3.7 days).

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Average snowfall in December
Alva, OK

Average snowfall in December - Alva, OK
  • Average snowfall in December: 0.71"

The month with the highest snowfall is February (1.73").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Alva, OK

Average snowfall days in December - Alva, OK
  • Average snowfall days in December: 1.8 days

The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Alva, OK

Average daylight in December / Average sunshine in December - Alva, OK
  • Average daylight in December: 9h and 41min

The month with the longest days is June (Average daylight: 14h and 38min).
The month with the shortest days is December (Average daylight: 9h and 41min).

  • Average sunshine in December: 6h and 24min

The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).

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Average sunshine days in December
Alva, OK

Average sunshine days in December - Alva, OK
  • Average sunshine days in December: 24.4 days

The month with the most sunshine days is January (25.2 days).
The month with the least sunshine days is September (15.5 days).

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Average UV index in December
Alva, OK

Average UV index in December - Alva, OK
  • Average UV index in December: 2

The month with the highest UV index is June (UV index 8).
The months with the lowest UV index are January and December (UV index 2).

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Average cloud cover in December
Alva, OK

Average cloud cover in December - Alva, OK
  • Average cloud cover in December: 26

The months with the most cloud cover are March and April (Cloud cover 32).
The month with the least cloud cover is June (Cloud cover 17).

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Average visibility in December
Alva, OK

Average visibility in December - Alva, OK
  • 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).

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