December weather forecastPorter, OK
December
Weather in December
The first month of the winter, December, is still a chilly month in Porter, Oklahoma, with an average temperature fluctuating between 49.1°F (9.5°C) and 34.7°F (1.5°C).Temperature
Transition into December marks a drop in the average high-temperature, moving from a mild 59.5°F (15.3°C) in November to a frosty 49.1°F (9.5°C). Throughout December, Porter witnesses a nighttime temperature average of 34.7°F (1.5°C).Humidity
In December, the average relative humidity is 71%.Rainfall
The months with the least rainfall are February and December Rain falls for 4.5 days and accumulates 0.47" (12mm) of rain.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 1.5 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, there are 5 snowfall days, and 0.63" (16mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 48min of daylight.On the first day of December in Porter, Oklahoma, sunrise is at 7:14 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:18 pm CST.
Sunshine
December has the least sunshine of the year in Porter, with an average of 5.6h of sunshine.UV index
With an average maximum UV index of 2, December is the month with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 2 during December translates into the following directions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Porter, OK
- Average high temperature in December: 49.1°F
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (46.9°F).
- Average low temperature in December: 34.7°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in December
Porter, OK
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Porter, OK
- Average wind speed in December: 9.2mph
The windiest month (with the highest average wind speed) is March (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in December
Porter, OK
- Average humidity in December: 71%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is August (67%).
Average rainfall in December
Porter, OK
- Average rainfall in December: 0.47"
The wettest month (with the highest rainfall) is May (1.57").
The driest months (with the least rainfall) are February and December (0.47").
Average rainfall days in December
Porter, OK
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is May (10.8 days).
The month with the least rainy days is December (4.5 days).
Average snowfall in December
Porter, OK
- Average snowfall in December: 0.08"
The month with the highest snowfall is February (0.35").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Porter, OK
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is February (1.6 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
Porter, OK
- Average daylight in December: 9h and 48min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 5h and 36min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in December
Porter, OK
- Average sunshine days in December: 24.5 days
The month with the most sunshine days is December (24.5 days).
The month with the least sunshine days is May (17.2 days).
Average UV index in December
Porter, OK
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Porter, OK
- Average cloud cover in December: 36
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in December
Porter, 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).
