December weather forecastSweetwater, OK
December
Weather in December
The first month of the winter, December, is also a frosty month in Sweetwater, Oklahoma, with an average temperature varying between 32.5°F (0.3°C) and 49.8°F (9.9°C).Temperature
December is Sweetwater's coldest month, registering average high temperatures of 49.8°F (9.9°C) and lows of 32.5°F (0.3°C).Humidity
In December, the average relative humidity is 59%.Rainfall
December is the month with the least rainfall. Rain falls for 4.5 days and accumulates 0.59" (15mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Sweetwater, during December, snow falls for 1.8 days and regularly aggregates up to 0.87" (22mm) of snow. In Sweetwater, during the entire year, snow falls for 8.5 days and aggregates up to 4.8" (122mm) of snow.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:30 am and sunset at 5:27 pm. On the last day of December, sunrise is at 7:48 am and sunset at 5:37 pm CST.
Sunshine
November and December, with an average of 6.7h of sunshine, are months with the least sunshine.UV index
December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: An average maximum UV index of 2 in December leads to these recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Opt for tightly woven and loose clothing to enhance protection from the Sun. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sweetwater, OK
- Average high temperature in December: 49.8°F
The warmest month (with the highest average high temperature) is July (94.8°F).
The month with the lowest average high temperature is December (49.8°F).
- Average low temperature in December: 32.5°F
The month with the highest average low temperature is July (73.8°F).
The coldest month (with the lowest average low temperature) is January (31.8°F).
Average pressure in December
Sweetwater, 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).
Average wind speed in December
Sweetwater, OK
- Average wind speed in December: 10.6mph
The windiest month (with the highest average wind speed) is April (13.3mph).
The calmest month (with the lowest average wind speed) is August (9.5mph).
Average humidity in December
Sweetwater, OK
- Average humidity in December: 59%
The month with the highest relative humidity is May (60%).
The months with the lowest relative humidity are July and August (51%).
Average rainfall in December
Sweetwater, OK
- Average rainfall in December: 0.59"
The wettest month (with the highest rainfall) is May (2.52").
The driest month (with the least rainfall) is December (0.59").
Average rainfall days in December
Sweetwater, OK
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is August (12 days).
The month with the least rainy days is January (3.2 days).
Average snowfall in December
Sweetwater, OK
- Average snowfall in December: 0.87"
The month with the highest snowfall is February (1.69").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Sweetwater, OK
- Average snowfall days in December: 1.8 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sweetwater, OK
- Average daylight in December: 9h and 48min
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 42min
The months with the most sunshine are June and July (Average sunshine: 11h and 24min).
The months with the least sunshine are November and December (Average sunshine: 6h and 42min).
Average sunshine days in December
Sweetwater, OK
- Average sunshine days in December: 24.3 days
The month with the most sunshine days is January (25.6 days).
The month with the least sunshine days is August (14.8 days).
Average UV index in December
Sweetwater, 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
Sweetwater, OK
- Average cloud cover in December: 24
The month with the most cloud cover is April (Cloud cover 29).
The months with the least cloud cover are June and August (Cloud cover 17).
Average visibility in December
Sweetwater, 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).
