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 the onset of December, Isabella's average high-temperature adjusts, receding from November's moderate 58.6°F (14.8°C) to a chilly 48°F (8.9°C). Isabella, during the month of December, experiences an average low-temperature of 32.5°F (0.3°C).Humidity
In December, the average relative humidity is 64%.Rainfall
In Isabella, in December, it is raining for 3.5 days, with typically 0.59" (15mm) of accumulated precipitation. In Isabella, during the entire year, the rain falls for 100.5 days and collects up to 16.46" (418mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. In Isabella, in December, snow falls for 1.7 days, with typically accumulated 0.16" (4mm) of snow. In Isabella, during the entire year, snow falls for 6.9 days and aggregates up to 3.31" (84mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 7:26 am and sunset at 5:18 pm. On the last day of December, sunrise is at 7:44 am and sunset at 5:28 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 6.3h of sunshine.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 vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Experience reduced UV exposure by about half when donning a wide-brim hat. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Isabella in December?
What is the average humidity in December?
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 in Isabella?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Isabella have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December in Isabella?
Average temperature in December
Isabella, OK
- Average high temperature in December: 48°F
The warmest month (with the highest average high temperature) is July (95°F).
The month with the lowest average high temperature is January (47.3°F).
- Average low temperature in December: 32.5°F
The month with the highest average low temperature is July (75°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in December
Isabella, 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
Isabella, OK
- Average wind speed in December: 10.3mph
The windiest month (with the highest average wind speed) is April (12.4mph).
The calmest month (with the lowest average wind speed) is August (9mph).
Average humidity in December
Isabella, OK
- Average humidity in December: 64%
The month with the highest relative humidity is May (66%).
The months with the lowest relative humidity are July and August (54%).
Average rainfall in December
Isabella, OK
- Average rainfall in December: 0.59"
The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is November (0.51").
Average rainfall days in December
Isabella, OK
- Average rainfall days in December: 3.5 days
The month with the highest number of rainy days is May (12.7 days).
The month with the least rainy days is January (3.3 days).
Average snowfall in December
Isabella, OK
- Average snowfall in December: 0.16"
The months with the highest snowfall are January and February (1.06").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Isabella, OK
- Average snowfall days in December: 1.7 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Isabella, 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 month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in December
Isabella, OK
- Average sunshine days in December: 25 days
The month with the most sunshine days is January (26.2 days).
The month with the least sunshine days is September (15.5 days).
Average UV index in December
Isabella, 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
Isabella, OK
- Average cloud cover in December: 28
The months with the most cloud cover are March and April (Cloud cover 33).
The months with the least cloud cover are June and August (Cloud cover 18).
Average visibility in December
Isabella, 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).
Isabella, Oklahoma, USA
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