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 brings a decrease in the average high-temperature, shifting from a fresh 52.9°F (11.6°C) in November to an icy 41°F (5°C). Oskaloosa's temperature in December lowers to a consistent average of 27.1°F (-2.7°C) during the nights.Humidity
In Oskaloosa, the average relative humidity in December is 73%.Rainfall
In Oskaloosa, during December, the rain falls for 5.3 days and regularly aggregates up to 1.06" (27mm) of precipitation. Throughout the year, there are 131.2 rainfall days, and 25.47" (647mm) of precipitation is accumulated.Snowfall
Months with snowfall in Oskaloosa are January through April, October through December. In Oskaloosa, in December, snow falls for 3 days, with typically accumulated 0.91" (23mm) of snow. Throughout the year, there are 16.2 snowfall days, and 7.01" (178mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:22 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:08 pm CST.
Sunshine
The average sunshine in December is 5.5h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: A typical high UV index of 2 in December suggests the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Oskaloosa have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Oskaloosa, KS
- Average high temperature in December: 41°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (37.6°F).
- Average low temperature in December: 27.1°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in December
Oskaloosa, KS
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Oskaloosa, KS
- Average wind speed in December: 9.4mph
The windiest months (with the highest average wind speed) are March and April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in December
Oskaloosa, KS
- Average humidity in December: 73%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are October and November (69%).
Average rainfall in December
Oskaloosa, KS
- Average rainfall in December: 1.06"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in December
Oskaloosa, KS
- Average rainfall days in December: 5.3 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in December
Oskaloosa, KS
- Average snowfall in December: 0.91"
The month with the highest snowfall is February (2.64").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Oskaloosa, KS
- Average snowfall days in December: 3 days
The month with the highest number of snowfall days is February (5 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
Oskaloosa, KS
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 5h and 3min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in December
Oskaloosa, KS
- Average sunshine days in December: 22.5 days
The month with the most sunshine days is December (22.5 days).
The month with the least sunshine days is May (12.5 days).
Average UV index in December
Oskaloosa, KS
- Average UV index in December: 2
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Oskaloosa, KS
- Average cloud cover in December: 40
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in December
Oskaloosa, KS
- 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).
Oskaloosa, Kansas, USA
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