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
As Wellsburg enters December, the average high-temperature decreases from the a chilly 44.1°F (6.7°C) of November to a freezing cold 30.7°F (-0.7°C). Nighttime temperatures consistently average a still subzero cold 19.9°F (-6.7°C) during December.Humidity
In Wellsburg, the average relative humidity in December is 83%.Rainfall
In Wellsburg, in December, it is raining for 5.5 days, with typically 1.57" (40mm) of accumulated precipitation. Throughout the year, there are 143.1 rainfall days, and 30.24" (768mm) of precipitation is accumulated.Snowfall
Months with snowfall in Wellsburg are January through May, October through December. In December, it is snowing for 11.8 days. Throughout December, 4.25" (108mm) of snow is accumulated. In Wellsburg, during the entire year, snow falls for 51.1 days and aggregates up to 21.26" (540mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:22 am and sunset at 4:39 pm. On the last day of December, sunrise is at 7:41 am and sunset at 4:49 pm CST.
Sunshine
In Wellsburg, the average sunshine in December is 4.2h.UV index
The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the average person.Note: The average daily UV index of 2 in December transforms into the following instructions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December in Wellsburg?
How much does it rain in Wellsburg 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 is the sunrise / sunset in December?
How many hours of sunshine does Wellsburg have in December?
How high is the UV index in December in Wellsburg?
Average temperature in December
Wellsburg, IA
- Average high temperature in December: 30.7°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (24.1°F).
- Average low temperature in December: 19.9°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).
Average pressure in December
Wellsburg, IA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Wellsburg, IA
- Average wind speed in December: 10.4mph
The windiest months (with the highest average wind speed) are January and April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.2mph).
Average humidity in December
Wellsburg, IA
- Average humidity in December: 83%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Wellsburg, IA
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is June (4.76").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in December
Wellsburg, IA
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is June (19.8 days).
The month with the least rainy days is February (4 days).
Average snowfall in December
Wellsburg, IA
- Average snowfall in December: 4.25"
The month with the highest snowfall is February (5.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Wellsburg, IA
- Average snowfall days in December: 11.8 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Wellsburg, IA
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 4h and 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Wellsburg, IA
- Average sunshine days in December: 16.3 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is June (8.1 days).
Average UV index in December
Wellsburg, IA
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Wellsburg, IA
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility in December
Wellsburg, IA
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).
Wellsburg, Iowa, USA
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