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 minor decrease, with the average high-temperature reducing from a chilly 46°F (7.8°C) in November to a wintry 33.3°F (0.7°C). Clarence's average low-temperature in December is measured at a subzero cold 23°F (-5°C).Humidity
The average relative humidity in December is 81%.Rainfall
In December, in Clarence, the rain falls for 7.2 days. Throughout December, 1.42" (36mm) of precipitation is accumulated. In Clarence, during the entire year, the rain falls for 145.6 days and collects up to 30.04" (763mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In December, it is snowing for 7.7 days. Throughout December, 2.36" (60mm) of snow is accumulated. Throughout the year, in Clarence, Iowa, there are 37.9 snowfall days, and 16.81" (427mm) of snow is accumulated.Daylight
December has the shortest days of the year in Clarence, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:13 am and sunset at 4:34 pm. On the last day of December, sunrise is at 7:31 am and sunset at 4:43 pm CST.
Sunshine
In December, the average sunshine is 4.4h.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 unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 1 during December translates into the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Clarence in December?
What is the average humidity in December in Clarence?
How many days does it rain in December in Clarence?
How much does it snow in Clarence in December?
What is the month with the shortest days in Clarence?
How many hours of daylight does Clarence have in December?
When are sunrise and sunset in December in Clarence?
How long on average sun shines in December in Clarence?
What is the month with the lowest UV index in Clarence?
What is the UV index intensity in December in Clarence?
Average temperature in December
Clarence, IA
- Average high temperature in December: 33.3°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in December: 23°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).
Average pressure in December
Clarence, 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
Clarence, IA
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in December
Clarence, IA
- Average humidity in December: 81%
The months with the highest relative humidity are January and July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Clarence, IA
- Average rainfall in December: 1.42"
The wettest month (with the highest rainfall) is May (4.65").
The driest month (with the least rainfall) is January (1.26").
Average rainfall days in December
Clarence, IA
- Average rainfall days in December: 7.2 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is January (4.9 days).
Average snowfall in December
Clarence, IA
- Average snowfall in December: 2.36"
The month with the highest snowfall is January (5.24").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Clarence, IA
- Average snowfall days in December: 7.7 days
The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Clarence, 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 12min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Clarence, IA
- Average sunshine days in December: 17.8 days
The month with the most sunshine days is December (17.8 days).
The month with the least sunshine days is June (8.8 days).
Average UV index in December
Clarence, 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
Clarence, IA
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Clarence, 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).
Clarence, Iowa, USA
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