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
December is characterized by a reduction in the average high-temperature, from a refreshing 59.5°F (15.3°C) in November to a chilly 48.7°F (9.3°C). During December, Sapulpa's temperature averages to a cold 34.5°F (1.4°C) at night.Humidity
In Sapulpa, Oklahoma, the average relative humidity in December is 69%.Rainfall
In Sapulpa, in December, during 6.4 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. Throughout the year, there are 129 rainfall days, and 29.41" (747mm) of precipitation is accumulated.Snowfall
Months with snowfall are January, February, November and December. In Sapulpa, in December, during 0.7 snowfall days, 0.2" (5mm) of snow is typically accumulated. Throughout the year, there are 5.2 snowfall days, and 2.52" (64mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 7:17 am and sunset at 5:10 pm. On the last day of December, sunrise is at 7:34 am and sunset at 5:20 pm CST.
Sunshine
With an average of 5.6h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index in Sapulpa are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather Atlas | 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?
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 Sapulpa have in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Sapulpa, OK
- Average high temperature in December: 48.7°F
The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (46.6°F).
- Average low temperature in December: 34.5°F
The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in December
Sapulpa, 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 (29.89"Hg).
Average wind speed in December
Sapulpa, OK
- Average wind speed in December: 9.2mph
The windiest month (with the highest average wind speed) is March (10.8mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).
Average humidity in December
Sapulpa, OK
- Average humidity in December: 69%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January, August and October (67%).
Average rainfall in December
Sapulpa, OK
- Average rainfall in December: 1.38"
The wettest month (with the highest rainfall) is May (5.08").
The driest month (with the least rainfall) is January (1.26").
Average rainfall days in December
Sapulpa, OK
- Average rainfall days in December: 6.4 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (6 days).
Average snowfall in December
Sapulpa, OK
- Average snowfall in December: 0.2"
The month with the highest snowfall is February (1.18").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in December
Sapulpa, OK
- Average snowfall days in December: 0.7 days
The month with the highest number of snowfall days is February (2.2 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
Sapulpa, OK
- Average daylight in December: 9h and 5min
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 48min).
- Average sunshine in December: 5h and 4min
The months with the most sunshine are July and August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in December
Sapulpa, OK
- Average sunshine days in December: 22.1 days
The month with the most sunshine days is January (22.2 days).
The month with the least sunshine days is May (14.2 days).
Average UV index in December
Sapulpa, OK
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Sapulpa, OK
- Average cloud cover in December: 37
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in December
Sapulpa, 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).
Sapulpa, Oklahoma, USA
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