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
Observing a mild shift, the average high-temperature during December reduces from November's refreshing 58.6°F (14.8°C) to a frosty 47.7°F (8.7°C). During the month of December, Jonah anticipates a mean low-temperature of 30.9°F (-0.6°C).Humidity
In Jonah, the average relative humidity in December is 67%.Rainfall
The month with the least rainfall is December, when the rain falls for 5.5 days and typically collects 0.71" (18mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Jonah, in December, during 1.8 snowfall days, 0.43" (11mm) of snow is typically accumulated. Throughout the year, there are 10.5 snowfall days, and 4.02" (102mm) of snow is accumulated.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:25 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:26 pm CST.
Sunshine
The months with the least sunshine are November and December, with an average of 6.3h of sunshine.UV index
The month with the lowest UV index is December, with an average maximum UV index of 2. 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: The maximum daily UV index of 2 during December translates into the following directions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. 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
What is the average December temperature?
What is the average humidity in December?
What is the driest month?
How many days does it rain 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 are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Jonah have in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Jonah, OK
- Average high temperature in December: 47.7°F
The warmest month (with the highest average high temperature) is July (95°F).
The month with the lowest average high temperature is January (47.1°F).
- Average low temperature in December: 30.9°F
The month with the highest average low temperature is July (74.8°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).
Average pressure in December
Jonah, 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 (29.86"Hg).
Average wind speed in December
Jonah, OK
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in December
Jonah, OK
- Average humidity in December: 67%
The month with the highest relative humidity is May (69%).
The months with the lowest relative humidity are July and August (56%).
Average rainfall in December
Jonah, OK
- Average rainfall in December: 0.71"
The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is December (0.71").
Average rainfall days in December
Jonah, OK
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in December
Jonah, OK
- Average snowfall in December: 0.43"
The month with the highest snowfall is February (1.5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Jonah, OK
- Average snowfall days in December: 1.8 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Jonah, OK
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 6h and 2min
The months with the most sunshine are June and July (Average sunshine: 11h and 12min).
The months with the least sunshine are November and December (Average sunshine: 6h and 18min).
Average sunshine days in December
Jonah, OK
- Average sunshine days in December: 23.9 days
The month with the most sunshine days is December (23.9 days).
The month with the least sunshine days is May (14.3 days).
Average UV index in December
Jonah, 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
Jonah, OK
- Average cloud cover in December: 29
The months with the most cloud cover are March and April (Cloud cover 35).
The months with the least cloud cover are June and August (Cloud cover 19).
Average visibility in December
Jonah, 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).
Jonah, Oklahoma, USA
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