December weather forecastSummit, OK
December
Weather in December
December, the first month of the winter in Summit, is still a chilly month, with an average temperature varying between 49.1°F (9.5°C) and 35.2°F (1.8°C).Temperature
December indicates a shift in the average high-temperature, from November's refreshing 59.5°F (15.3°C) to a chilly 49.1°F (9.5°C). Throughout the month of December, the average temperature dips to a wintry 35.2°F (1.8°C) at night.Humidity
In December, the average relative humidity in Summit is 72%.Rainfall
In Summit, in December, it is raining for 8 days, with typically 1.85" (47mm) of accumulated precipitation. Throughout the year, there are 135 rainfall days, and 31.61" (803mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Summit, during December, snow falls for 0.5 days and regularly aggregates up to 0.28" (7mm) of snow. Throughout the year, there are 5.4 snowfall days, and 2.48" (63mm) of snow is accumulated.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:13 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 5:18 pm CST.
Sunshine
December has the least sunshine of the year, 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. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 2 in December leads to these recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Summit, OK
- Average high temperature in December: 49.1°F
The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (46.9°F).
- Average low temperature in December: 35.2°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 (31.8°F).
Average pressure in December
Summit, 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 (29.91"Hg).
Average wind speed in December
Summit, OK
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is March (10mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).
Average humidity in December
Summit, OK
- Average humidity in December: 72%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is August (68%).
Average rainfall in December
Summit, OK
- Average rainfall in December: 1.85"
The wettest month (with the highest rainfall) is May (4.65").
The driest month (with the least rainfall) is February (1.61").
Average rainfall days in December
Summit, OK
- Average rainfall days in December: 8 days
The month with the highest number of rainy days is May (14.6 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in December
Summit, OK
- Average snowfall in December: 0.28"
The month with the highest snowfall is February (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Summit, OK
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (2.3 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
Summit, 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: 5h and 30min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in December
Summit, OK
- Average sunshine days in December: 20.5 days
The month with the most sunshine days is January (21.2 days).
The month with the least sunshine days is April (13.6 days).
Average UV index in December
Summit, 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
Summit, OK
- Average cloud cover in December: 37
The months with the most cloud cover are February and March (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in December
Summit, 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).
