December weather forecast
Willow, OK

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Weather in December

December, the first month of the winter in Willow, is still a cool month, with an average temperature fluctuating between 33.4°F (0.8°C) and 50.9°F (10.5°C).

Temperature

December proves to be the coldest month, recording an average maximum temperature of 50.9°F (10.5°C) and a minimum temperature of 33.4°F (0.8°C).

Humidity

May and December, with an average relative humidity of 61%, are the most humid months in Willow.

Rainfall

In Willow, Oklahoma, in December, during 4 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. Throughout the year, in Willow, there are 93.6 rainfall days, and 18.27" (464mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In Willow, during December, snow falls for 1.4 days and regularly aggregates up to 0.47" (12mm) of snow. In Willow, during the entire year, snow falls for 6.8 days and aggregates up to 3.9" (99mm) of snow.

Daylight

The month with the shortest days in Willow is December, with an average of 9h and 48min of daylight.
On the first day of December, sunrise is at 7:28 am and sunset at 5:26 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:36 pm CST.

Sunshine

The month with the least sunshine is December, with an average of 6.5h of sunshine.

UV index

With an average maximum UV index of 2, December is the month with the lowest UV index in Willow. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, the maximum UV index of 2 translates into these guidelines:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. To protect against the Sun's most potent rays, avoid direct exposure around midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Frequently asked questions

What are the coldest months in Willow?

December is the coldest month in Willow, Oklahoma, with the temperature often reaching an average high of 50.9°F (10.5°C) and an average low of 33.4°F (0.8°C).

What is the average December temperature in Willow?

In Willow, 50.9°F (10.5°C) is the average high-temperature and 33.4°F (0.8°C) is the average low-temperature during December. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, in September is computed to be 89.6°F (32°C).

What is the most humid month in Willow?

May and December, with an average relative humidity of 61%, are most humid months in Willow.

What is the average humidity in December in Willow?

In December, the average relative humidity in Willow is 61%.

How many days does it rain in December in Willow?

In Willow, in December, it is raining for 4 days, with typically 0.71" (18mm) of accumulated precipitation.

How much does it snow in Willow in December?

In Willow, in December, during 1.4 snowfall days, 0.47" (12mm) of snow is typically accumulated.

What is the month with the shortest days in Willow?

The month with the shortest days in Willow, Oklahoma, is December, with an average of 9h and 48min of daylight.

What is the average length of the day in December in Willow?

In Willow, the average day length in December is 9h and 50min.

What time are sunrise and sunset in December in Willow?

On the first day of December, sunrise is at 7:28 am and sunset at 5:26 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:36 pm CST.

What is the month with the least sunshine in Willow?

December has the least sunshine of the year in Willow, Oklahoma, with an average of 6.5h of sunshine.

How long on average sun shines in December in Willow?

The average sunshine duration in December in Willow, Oklahoma, is 6.5h.

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

December is the month with the lowest UV index in Willow, Oklahoma, with an average maximum UV index of 2.

How high is the UV index in December in Willow?

In December, the average daily maximum UV index in Willow, Oklahoma, is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health 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
Willow, OK

Average temperature in December - Willow, OK
  • Average high temperature in December: 50.9°F

The warmest month (with the highest average high temperature) is July (96.1°F).
The month with the lowest average high temperature is December (50.9°F).

  • Average low temperature in December: 33.4°F

The month with the highest average low temperature is July (75°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).

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Average pressure in December
Willow, OK

Average pressure in December - Willow, OK
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

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Average wind speed in December
Willow, OK

Average wind speed in December - Willow, OK
  • Average wind speed in December: 10.2mph

The windiest month (with the highest average wind speed) is April (12.7mph).
The calmest month (with the lowest average wind speed) is August (9.1mph).

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Average humidity in December
Willow, OK

Average humidity in December - Willow, OK
  • Average humidity in December: 61%

The months with the highest relative humidity are May and December (61%).
The months with the lowest relative humidity are July and August (50%).

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Average rainfall in December
Willow, OK

Average rainfall in December - Willow, OK
  • Average rainfall in December: 0.71"

The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is February (0.67").

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Average rainfall days in December
Willow, OK

Average rainfall days in December - Willow, OK
  • Average rainfall days in December: 4 days

The month with the highest number of rainy days is May (11.8 days).
The month with the least rainy days is January (2.5 days).

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Average snowfall in December
Willow, OK

Average snowfall in December - Willow, OK
  • Average snowfall in December: 0.47"

The month with the highest snowfall is January (1.46").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Willow, OK

Average snowfall days in December - Willow, OK
  • Average snowfall days in December: 1.4 days

The month with the highest number of snowfall days is February (2.4 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
Willow, OK

Average daylight in December / Average sunshine in December - Willow, OK
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in December: 6h and 3min

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

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Average sunshine days in December
Willow, OK

Average sunshine days in December - Willow, OK
  • Average sunshine days in December: 25.2 days

The month with the most sunshine days is January (26.3 days).
The month with the least sunshine days is August (16 days).

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Average UV index in December
Willow, OK

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

The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

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Average cloud cover in December
Willow, OK

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

The months with the most cloud cover are March and April (Cloud cover 29).
The month with the least cloud cover is June (Cloud cover 17).

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Average visibility in December
Willow, OK

Average visibility in December - Willow, 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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Willow, Oklahoma, USA

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