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
With December's onset, the average high-temperature recedes from November's mild 59.9°F (15.5°C) to a frosty 49.5°F (9.7°C). During the month of December, the temperature in Newalla falls to an average of 34.7°F (1.5°C).Humidity
In December, the average relative humidity is 67%.Rainfall
In December, the rain falls for 6.4 days. Throughout December, 1.18" (30mm) of precipitation is accumulated. Throughout the year, in Newalla, there are 121.9 rainfall days, and 25.67" (652mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Newalla, in December, snow falls for 1.1 days, with typically accumulated 0.55" (14mm) of snow. Throughout the year, there are 6.1 snowfall days, and 3.62" (92mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 48min of daylight.On the first day of December, sunrise is at 7:19 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 5:26 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 5.9h of sunshine.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 minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In December, a regular UV index of 2 translates into these guidelines:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Around midday, solar radiation is most harmful; hence, exposure should be limited. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What is the average humidity in December?
How much does it rain in Newalla in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Newalla, OK
- Average high temperature in December: 49.5°F
The warmest month (with the highest average high temperature) is July (92.5°F).
The month with the lowest average high temperature is January (48.6°F).
- Average low temperature in December: 34.7°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 (32.2°F).
Average pressure in December
Newalla, 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
Newalla, OK
- Average wind speed in December: 10.1mph
The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest months (with the lowest average wind speed) are July and August (8.1mph).
Average humidity in December
Newalla, OK
- Average humidity in December: 67%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is August (62%).
Average rainfall in December
Newalla, OK
- Average rainfall in December: 1.18"
The wettest month (with the highest rainfall) is May (4.06").
The driest months (with the least rainfall) are January and February (1.14").
Average rainfall days in December
Newalla, OK
- Average rainfall days in December: 6.4 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is January (5.4 days).
Average snowfall in December
Newalla, OK
- Average snowfall in December: 0.55"
The month with the highest snowfall is February (1.65").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Newalla, OK
- Average snowfall days in December: 1.1 days
The month with the highest number of snowfall days is February (2.1 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
Newalla, OK
- Average daylight in December: 9h and 5min
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 5min
The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in December
Newalla, OK
- Average sunshine days in December: 22.8 days
The month with the most sunshine days is January (23.5 days).
The month with the least sunshine days is May (14.4 days).
Average UV index in December
Newalla, 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
Newalla, OK
- Average cloud cover in December: 33
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
Newalla, 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).
Newalla, Oklahoma, USA
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