December weather forecast
Sulphur, OK

Weather in December

The first month of the winter, December, is still a cool month in Sulphur, Oklahoma, with an average temperature ranging between min 36.3°F (2.4°C) and max 50.5°F (10.3°C).

Temperature

In December, the average high-temperature decreases from a mild 60.6°F (15.9°C) in November to a fresh 50.5°F (10.3°C). In Sulphur, the average low-temperature is 36.3°F (2.4°C).

Humidity

The average relative humidity in December is 70%.

Rainfall

In Sulphur, during December, the rain falls for 7.4 days and regularly aggregates up to 1.42" (36mm) of precipitation. In Sulphur, Oklahoma, during the entire year, the rain falls for 129 days and collects up to 27.91" (709mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in Sulphur. In December, in Sulphur, it is snowing for 1.1 days. Throughout December, 0.51" (13mm) of snow is accumulated. Throughout the year, in Sulphur, there are 5.3 snowfall days, and 2.6" (66mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 53min of daylight.
On the first day of December, sunrise is at 7:16 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 5:27 pm CST.

Sunshine

With an average of 5.5h of sunshine, December has the least sunshine of the year in Sulphur.

UV index

With an average maximum UV index of 2, December is the month with the lowest UV index in Sulphur. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 2 in December transform into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
[Resources]

FAQ

What is the average humidity in December in Sulphur?

In Sulphur, Oklahoma, the average relative humidity in December is 70%.

How many days does it rain in December in Sulphur?

In Sulphur, Oklahoma, in December, it is raining for 7.4 days, with typically 1.42" (36mm) of accumulated precipitation.

How much does it snow in Sulphur in December?

In December, in Sulphur, it is snowing for 1.1 days. Throughout December, 0.51" (13mm) of snow is accumulated.

What is the month with the shortest days in Sulphur?

With an average of 9h and 53min of daylight, December has the shortest days of the year in Sulphur.

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

In Sulphur, Oklahoma, the average day length in December is 9h and 53min.

What time are sunrise and sunset in December in Sulphur?

In December, on the first day of the month, sunrise is at 7:16 am and sunset at 5:17 pm. On the last day of the month, in Sulphur, Oklahoma, sunrise is at 7:34 am and sunset at 5:27 pm CST.

What is the month with the least sunshine in Sulphur?

The month with the least sunshine is December, with an average of 5.5h of sunshine.

How long on average sun shines in December in Sulphur?

In December, the average sunshine duration in Sulphur, Oklahoma, is 5.5h.

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

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

What is the UV index reading in December in Sulphur?

In Sulphur, Oklahoma, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health threat from exposure to Sun's UV rays.
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
Sulphur, OK

Average temperature in December - Sulphur, OK
  • Average high temperature in December: 50.5°F

The warmest month (with the highest average high temperature) is August (93.4°F).
The month with the lowest average high temperature is January (50.2°F).

  • Average low temperature in December: 36.3°F

The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).

[Resources]

Average pressure in December
Sulphur, OK

Average pressure in December - Sulphur, 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 (29.89"Hg).

[Resources]

Average wind speed in December
Sulphur, OK

Average wind speed in December - Sulphur, OK
  • Average wind speed in December: 9.4mph

The windiest months (with the highest average wind speed) are March and April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).

[Resources]

Average humidity in December
Sulphur, OK

Average humidity in December - Sulphur, OK
  • Average humidity in December: 70%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is August (61%).

[Resources]

Average rainfall in December
Sulphur, OK

Average rainfall in December - Sulphur, OK
  • Average rainfall in December: 1.42"

The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is January (1.34").

[Resources]

Average rainfall days in December
Sulphur, OK

Average rainfall days in December - Sulphur, OK
  • Average rainfall days in December: 7.4 days

The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is January (6.3 days).

[Resources]

Average snowfall in December
Sulphur, OK

Average snowfall in December - Sulphur, OK
  • Average snowfall in December: 0.51"

The month with the highest snowfall is February (1.3").
The months with the least snowfall are May, June, July, August, September and October (0").

[Resources]

Average snowfall days in December
Sulphur, OK

Average snowfall days in December - Sulphur, OK
  • Average snowfall days in December: 1.1 days

The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

[Resources]

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

Average daylight in December / Average sunshine in December - Sulphur, OK
  • Average daylight in December: 9h and 53min

The month with the longest days is June (Average daylight: 14h and 26min).
The month with the shortest days is December (Average daylight: 9h and 53min).

  • Average sunshine in December: 5h and 30min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

[Resources]

Average sunshine days in December
Sulphur, OK

Average sunshine days in December - Sulphur, OK
  • Average sunshine days in December: 21 days

The month with the most sunshine days is January (22.9 days).
The month with the least sunshine days is May (14.3 days).

[Resources]

Average UV index in December
Sulphur, OK

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

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

[Resources]

Average cloud cover in December
Sulphur, OK

Average cloud cover in December - Sulphur, OK
  • Average cloud cover in December: 37

The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 21).

[Resources]

Average visibility in December
Sulphur, OK

Average visibility in December - Sulphur, 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).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location