Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
As December begins in Sulphur, there is a decrease in the average high-temperature, falling from a mild 60.6°F (15.9°C) in November to a cool 50.5°F (10.3°C). During the month of December, Sulphur's nighttime temperature lowers to an average of 36.3°F (2.4°C).Humidity
The average relative humidity in December in Sulphur, Oklahoma, is 70%.Rainfall
In December, the rain falls for 7.4 days. Throughout December, 1.42" (36mm) of precipitation is accumulated. In Sulphur, 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, during December, snow falls for 1.1 days and regularly aggregates up to 0.51" (13mm) of snow. Throughout the year, 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 54min of daylight.On the first day of the month, sunrise is at 7:16 am and sunset at 5:17 pm. On the last day of December, in Sulphur, sunrise is at 7:34 am and sunset at 5:27 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 5.5h of sunshine.UV index
With an average maximum UV index of 2, December is the month with the lowest UV index in Sulphur. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the average person.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. The solar radiation around mid-day is intense; avoid the Sun and stay safe. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
What is the temperature in December in Sulphur?
What is the average humidity in December in Sulphur?
How much does it rain in Sulphur in December?
How many days does it snow in December in Sulphur?
What is the month with the shortest days in Sulphur?
What is the average length of the day in December in Sulphur?
When is the sunrise / sunset in December in Sulphur?
What is the month with the least sunshine in Sulphur?
How long on average sun shines in December in Sulphur?
What is the month with the lowest UV index in Sulphur?
How high is the UV index in December in Sulphur?
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).
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).
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).
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%).
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").
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).
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").
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).
Average daylight in December /
Average sunshine in December
Sulphur, OK
- 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 3min
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).
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).
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).
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).
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).
Sulphur, Oklahoma, USA
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