December weather forecastColfax, IA
December
Weather in December
December, the first month of the winter in Colfax, is still a cold month, with an average temperature varying between 22.1°F (-5.5°C) and 33.8°F (1°C).Temperature
A shift in Colfax's weather is observed as November turns into December, with the average high temperature reducing from a frosty 46.8°F (8.2°C) to a cold 33.8°F (1°C). Colfax, in December, experiences an average temperature of 22.1°F (-5.5°C) at night.Humidity
In December, the average relative humidity in Colfax is 80%.Rainfall
In Colfax, in December, during 4.3 rainfall days, 0.39" (10mm) of precipitation is typically accumulated. Throughout the year, there are 104.4 rainfall days, and 10.71" (272mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Colfax. In Colfax, during December, snow falls for 5.6 days and regularly aggregates up to 0.63" (16mm) of snow. In Colfax, during the entire year, snow falls for 27.7 days and aggregates up to 4.61" (117mm) of snow.Daylight
December has the shortest days of the year in Colfax, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:21 am and sunset at 4:43 pm. On the last day of December, in Colfax, Iowa, sunrise is at 7:39 am and sunset at 4:52 pm CST.
Sunshine
In Colfax, Iowa, the average sunshine in December is 4.8h.UV index
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Colfax. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum UV index of 2 in December translates into the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Colfax, IA
- Average high temperature in December: 33.8°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (27.3°F).
- Average low temperature in December: 22.1°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 (14.4°F).
Average pressure in December
Colfax, IA
- 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 (29.89"Hg).
Average wind speed in December
Colfax, IA
- Average wind speed in December: 9.9mph
The windiest months (with the highest average wind speed) are January and April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in December
Colfax, IA
- Average humidity in December: 80%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Colfax, IA
- Average rainfall in December: 0.39"
The wettest month (with the highest rainfall) is May (1.81").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in December
Colfax, IA
- Average rainfall days in December: 4.3 days
The month with the highest number of rainy days is May (14 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in December
Colfax, IA
- Average snowfall in December: 0.63"
The month with the highest snowfall is January (1.46").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Colfax, IA
- Average snowfall days in December: 5.6 days
The month with the highest number of snowfall days is February (7.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Colfax, IA
- Average daylight in December: 9h and 12min
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 48min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
Colfax, IA
- 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 June (12.1 days).
Average UV index in December
Colfax, IA
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in December
Colfax, IA
- Average cloud cover in December: 50
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July and September (Cloud cover 29).
Average visibility in December
Colfax, IA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
