December weather forecastSpencerville, OK
December
Weather in December
December, the first month of the winter in Spencerville, is also a fresh month, with an average temperature fluctuating between 38.3°F (3.5°C) and 52.7°F (11.5°C).Temperature
The shift to December brings a decrease in the average high-temperature, falling from a comfortable 62.1°F (16.7°C) in November to a cool 52.7°F (11.5°C). Spencerville, in December, experiences an average temperature of 38.3°F (3.5°C) at night.Humidity
In December, the average relative humidity is 74%.Rainfall
In Spencerville, in December, during 10.5 rainfall days, 2.95" (75mm) of precipitation is typically accumulated. In Spencerville, during the entire year, the rain falls for 143.9 days and collects up to 36.61" (930mm) of precipitation.Snowfall
Months with snowfall in Spencerville, Oklahoma, are January through March, November and December. In December, it is snowing for 0.5 days. Throughout December, 0.2" (5mm) of snow is accumulated. In Spencerville, during the entire year, snow falls for 3.4 days and aggregates up to 1.85" (47mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 54min of daylight.On the first day of December, sunrise is at 7:09 am and sunset at 5:11 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:22 pm CST.
Sunshine
With an average of 5.2h of sunshine, December has the least sunshine of the year.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 threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: An average maximum UV index of 2 in December leads to these recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. To guard against the harmful effects of the Sun, minimize exposure during midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Spencerville, OK
- Average high temperature in December: 52.7°F
The warmest month (with the highest average high temperature) is August (93.9°F).
The month with the lowest average high temperature is January (51.4°F).
- Average low temperature in December: 38.3°F
The month with the highest average low temperature is July (72.5°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).
Average pressure in December
Spencerville, 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 (29.91"Hg).
Average wind speed in December
Spencerville, OK
- Average wind speed in December: 7.8mph
The windiest months (with the highest average wind speed) are March and April (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in December
Spencerville, OK
- Average humidity in December: 74%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is August (65%).
Average rainfall in December
Spencerville, OK
- Average rainfall in December: 2.95"
The wettest month (with the highest rainfall) is May (4.8").
The driest month (with the least rainfall) is January (1.93").
Average rainfall days in December
Spencerville, OK
- Average rainfall days in December: 10.5 days
The months with the highest number of rainy days are March and May (14.6 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in December
Spencerville, OK
- Average snowfall in December: 0.2"
The month with the highest snowfall is February (1.06").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Spencerville, OK
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Spencerville, OK
- Average daylight in December: 9h and 54min
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 12min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in December
Spencerville, OK
- Average sunshine days in December: 19 days
The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is May (14.5 days).
Average UV index in December
Spencerville, 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
Spencerville, OK
- Average cloud cover in December: 41
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in December
Spencerville, 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).





