January weather forecastCedar Rapids, IA

January
Weather in January
Snow is a common feature of Cedar Rapids, Iowa's weather in January, with cold temperatures that can dip to 14.2°F (-9.9°C). The brisk air is complemented by just 9.5 hours of daylight, adding to the winter ambience. Cedar Rapids experiences moderate winds, further accentuating the chilly weather. The few hours of sunshine during the daylight hours are both limited and precious.Temperature
The lowest temperatures are recorded in January, with averages reaching a high of 26.2°F (-3.2°C) and a low of 14.2°F (-9.9°C).Humidity
January is the most humid month, with an average relative humidity of 85%.Rainfall
January and February are months with the least rain when the rain falls for 4.2 days and typically aggregates up to 0.63" (16mm) of rain.Snowfall
January through April, October through December are months with snowfall. The month with the most snowfall in Cedar Rapids, Iowa, is January, when snow falls for 10.3 days and typically aggregates up to 2.64" (67mm) of snow.Daylight
The average length of the day in January is 9h and 32min.On the first day of January, sunrise is at 7:34 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:19 pm CST.
Sunshine
With an average of 4.1h of sunshine, January has the least sunshine of the year.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 1 during January translates into the following directions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Cedar Rapids, IA
- Average high temperature in January: 26.2°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (26.2°F).
- Average low temperature in January: 14.2°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 (14.2°F).
Average pressure in January
Cedar Rapids, IA
- Average pressure in January: 30.14"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 January
Cedar Rapids, IA
- Average wind speed in January: 10.7mph
The windiest months (with the highest average wind speed) are January and April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in January
Cedar Rapids, IA
- Average humidity in January: 85%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (73%).
Average rainfall in January
Cedar Rapids, IA
- Average rainfall in January: 0.63"
The wettest month (with the highest rainfall) is May (3.07").
The driest months (with the least rainfall) are January and February (0.63").
Average rainfall days in January
Cedar Rapids, IA
- Average rainfall days in January: 4.2 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is February (3 days).
Average snowfall in January
Cedar Rapids, IA
- Average snowfall in January: 2.64"
The month with the highest snowfall is January (2.64").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Cedar Rapids, IA
- Average snowfall days in January: 10.3 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Cedar Rapids, IA
- Average daylight in January: 9h and 30min
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 January: 4h and 6min
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 6min).
Average sunshine days in January
Cedar Rapids, IA
- Average sunshine days in January: 19.5 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in January
Cedar Rapids, IA
- Average UV index in January: 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 January
Cedar Rapids, IA
- Average cloud cover in January: 57
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility in January
Cedar Rapids, IA
- Average visibility in January: 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).





