Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
A shift in Wynnewood's weather is observed as November turns into December, with the average high temperature reducing from an enjoyable 60.8°F (16°C) to a fresh 50.5°F (10.3°C). Throughout the month of December, Wynnewood sees a steady low-temperature average of 35.8°F (2.1°C).Humidity
In December, the average relative humidity is 68%.Rainfall
In Wynnewood, during December, the rain falls for 7 days and regularly aggregates up to 1.38" (35mm) of precipitation. Throughout the year, there are 126.3 rainfall days, and 25.75" (654mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Wynnewood, in December, snow falls for 1.1 days, with typically accumulated 0.28" (7mm) of snow. In Wynnewood, during the entire year, snow falls for 5.5 days and aggregates up to 2.44" (62mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 7:18 am and sunset at 5:17 pm. On the last day of December, sunrise is at 7:35 am and sunset at 5:28 pm CST.
Sunshine
With an average of 5.9h 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 reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: A daily maximum UV index of 2 in December translates into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. 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. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Wynnewood have in December?
What time are sunrise and sunset in December in Wynnewood?
What is the month with the least sunshine?
How many hours of sunshine does Wynnewood have in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Wynnewood, OK
- Average high temperature in December: 50.5°F
The warmest month (with the highest average high temperature) is August (93.7°F).
The month with the lowest average high temperature is January (49.8°F).
- Average low temperature in December: 35.8°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in December
Wynnewood, 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
Wynnewood, OK
- Average wind speed in December: 9.5mph
The windiest months (with the highest average wind speed) are March and April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).
Average humidity in December
Wynnewood, OK
- Average humidity in December: 68%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is August (60%).
Average rainfall in December
Wynnewood, OK
- Average rainfall in December: 1.38"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is February (1.22").
Average rainfall days in December
Wynnewood, OK
- Average rainfall days in December: 7 days
The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in December
Wynnewood, OK
- Average snowfall in December: 0.28"
The month with the highest snowfall is February (1.34").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Wynnewood, OK
- Average snowfall days in December: 1.1 days
The month with the highest number of snowfall days is February (2 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
Wynnewood, OK
- Average daylight in December: 9h and 5min
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 5min
The months with the most sunshine are July and August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in December
Wynnewood, OK
- Average sunshine days in December: 22 days
The month with the most sunshine days is January (23.3 days).
The month with the least sunshine days is May (13.5 days).
Average UV index in December
Wynnewood, 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
Wynnewood, OK
- Average cloud cover in December: 33
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in December
Wynnewood, 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).
Wynnewood, Oklahoma, USA
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