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
Transition from November to December is accompanied by a temperature drop, with average high-temperatures decreasing from a chilly 47.1°F (8.4°C) to an icy 34.5°F (1.4°C). Throughout December, an average low-temperature of 23.2°F (-4.9°C) is expected.Humidity
The average relative humidity in December is 81%.Rainfall
In Wellman, in December, during 6.8 rainfall days, 1.42" (36mm) of precipitation is typically accumulated. Throughout the year, there are 144.7 rainfall days, and 30.16" (766mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Wellman, in December, during 6.9 snowfall days, 1.93" (49mm) of snow is typically accumulated. Throughout the year, there are 34.4 snowfall days, and 14.61" (371mm) of snow is accumulated.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:14 am and sunset at 4:38 pm. On the last day of December, sunrise is at 7:33 am and sunset at 4:47 pm CST.
Sunshine
In Wellman, the average sunshine in December is 4.6h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The daily high UV index of 1 during December translates into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
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?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Wellman have in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Wellman have in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Wellman, IA
- Average high temperature in December: 34.5°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in December: 23.2°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in December
Wellman, IA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Wellman, IA
- Average wind speed in December: 10mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity in December
Wellman, IA
- Average humidity in December: 81%
The months with the highest relative humidity are January and July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Wellman, IA
- Average rainfall in December: 1.42"
The wettest month (with the highest rainfall) is May (4.45").
The driest month (with the least rainfall) is January (1.26").
Average rainfall days in December
Wellman, IA
- Average rainfall days in December: 6.8 days
The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in December
Wellman, IA
- Average snowfall in December: 1.93"
The month with the highest snowfall is February (4.57").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Wellman, IA
- Average snowfall days in December: 6.9 days
The month with the highest number of snowfall days is January (9.8 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
Wellman, IA
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Wellman, IA
- Average sunshine days in December: 17.9 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in December
Wellman, IA
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Wellman, IA
- Average cloud cover in December: 52
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Wellman, IA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Wellman, Iowa, USA
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