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 signifies a minor drop in average high-temperature, transitioning from a refreshing 67.8°F (19.9°C) in November to a mild 59.9°F (15.5°C). Onalaska, during the month of December, experiences an average low-temperature of 44.8°F (7.1°C).Humidity
The average relative humidity in December is 80%.Rainfall
In Onalaska, during December, the rain falls for 13.3 days and regularly aggregates up to 2.6" (66mm) of precipitation. In Onalaska, during the entire year, the rain falls for 163.9 days and collects up to 30.28" (769mm) of precipitation.Snowfall
Months with snowfall are January, February and December. December is the first month it typically snows. Throughout December, in the average 0.5 snowfall days, it receives 0.16" (4mm) of snow. In Onalaska, during the entire year, snow falls for 1.2 days and aggregates up to 0.47" (12mm) of snow.Daylight
December has the shortest days of the year, with an average of 10h and 12min of daylight.On the first day of the month, sunrise is at 7:00 am and sunset at 5:18 pm. On the last day of December, sunrise is at 7:18 am and sunset at 5:29 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 5h of sunshine.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 3 during December translates into these guidelines:
Prioritize safety - Recommendations to avert sunburn are shared. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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?
How much does it rain in December?
When does it start snowing in Onalaska?
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 many hours of sunshine does Onalaska have in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Onalaska, TX
- Average high temperature in December: 59.9°F
The warmest month (with the highest average high temperature) is August (96.1°F).
The month with the lowest average high temperature is January (58.5°F).
- Average low temperature in December: 44.8°F
The months with the highest average low temperature are July and August (73.8°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).
Average pressure in December
Onalaska, TX
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Onalaska, TX
- Average wind speed in December: 6.1mph
The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest months (with the lowest average wind speed) are August and September (4.8mph).
Average humidity in December
Onalaska, TX
- Average humidity in December: 80%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (70%).
Average rainfall in December
Onalaska, TX
- Average rainfall in December: 2.6"
The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is November (1.69").
Average rainfall days in December
Onalaska, TX
- Average rainfall days in December: 13.3 days
The month with the highest number of rainy days is September (16.1 days).
The month with the least rainy days is October (10.7 days).
Average snowfall in December
Onalaska, TX
- Average snowfall in December: 0.16"
The month with the highest snowfall is January (0.28").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Onalaska, TX
- Average snowfall days in December: 0.5 days
The months with the highest number of snowfall days are January and December (0.5 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Onalaska, TX
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
Onalaska, TX
- Average sunshine days in December: 14.7 days
The month with the most sunshine days is October (17.8 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in December
Onalaska, TX
- Average UV index in December: 3
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 3).
Average cloud cover in December
Onalaska, TX
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Onalaska, TX
- Average visibility in December: 5mi
The month with the highest visibility is August (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, September, October, November and December (5mi).
Onalaska, Texas, USA
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