December weather forecastSpencer, OK
December
Weather in December
December, the first month of the winter in Spencer, is also a frosty month, with temperature in the range of an average low of 34.5°F (1.4°C) and an average high of 49.3°F (9.6°C).Temperature
As Spencer enters December, the average high-temperature decreases from the a mild 59.7°F (15.4°C) of November to a frosty 49.3°F (9.6°C). Spencer experiences an average low-temperature reading of 34.5°F (1.4°C) throughout December.Humidity
In December, the average relative humidity in Spencer is 66%.Rainfall
In December, the rain falls for 5 days. Throughout December, 0.79" (20mm) of precipitation is accumulated. In Spencer, during the entire year, the rain falls for 113.6 days and collects up to 18.9" (480mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Spencer, in December, during 1.4 snowfall days, 0.59" (15mm) of snow is typically accumulated. In Spencer, during the entire year, snow falls for 7.1 days and aggregates up to 2.6" (66mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 48min of daylight.On the first day of December, sunrise is at 7:20 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 5:27 pm CST.
Sunshine
With an average of 6h of sunshine, December has the least sunshine of the year.UV index
December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.Note: A daily high UV index of 2 in December leads to these guidelines:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. 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
Spencer, OK
- Average high temperature in December: 49.3°F
The warmest month (with the highest average high temperature) is July (93.4°F).
The month with the lowest average high temperature is January (48.7°F).
- Average low temperature in December: 34.5°F
The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (32°F).
Average pressure in December
Spencer, 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 (29.88"Hg).
Average wind speed in December
Spencer, OK
- Average wind speed in December: 10.4mph
The windiest month (with the highest average wind speed) is April (12.1mph).
The calmest month (with the lowest average wind speed) is August (8.4mph).
Average humidity in December
Spencer, OK
- Average humidity in December: 66%
The month with the highest relative humidity is May (75%).
The month with the lowest relative humidity is August (60%).
Average rainfall in December
Spencer, OK
- Average rainfall in December: 0.79"
The wettest month (with the highest rainfall) is May (3.03").
The driest months (with the least rainfall) are January and February (0.71").
Average rainfall days in December
Spencer, OK
- Average rainfall days in December: 5 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in December
Spencer, OK
- Average snowfall in December: 0.59"
The month with the highest snowfall is February (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Spencer, OK
- Average snowfall days in December: 1.4 days
The month with the highest number of snowfall days is February (2.7 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
Spencer, 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 0min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in December
Spencer, OK
- Average sunshine days in December: 23.8 days
The month with the most sunshine days is January (24.7 days).
The month with the least sunshine days is May (14.6 days).
Average UV index in December
Spencer, 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
Spencer, OK
- Average cloud cover in December: 32
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in December
Spencer, 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).





