January weather forecastFallow, IA
January
Weather in January
January, like December, is another subzero cold winter month in Fallow, Iowa, with an average temperature varying between 23.2°F (-4.9°C) and 10.6°F (-11.9°C).Temperature
Fallow's January weather, marked by an average high temperature of 23.2°F (-4.9°C) and an average low temperature of 10.6°F (-11.9°C), is the coldest in the year.Humidity
January is the most humid month, with an average relative humidity of 87%.Rainfall
The month with the least rainfall is January, when the rain falls for 4.1 days and typically collects 0.98" (25mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Fallow. In Fallow, during January, snow falls for 12.5 days and regularly aggregates up to 5.04" (128mm) of snow. In Fallow, during the entire year, snow falls for 51.6 days and aggregates up to 23.03" (585mm) of snow.Daylight
The average length of the day in January is 9h and 25min.On the first day of the month, sunrise is at 7:51 am and sunset at 4:54 pm. On the last day of January, sunrise is at 7:35 am and sunset at 5:29 pm CST.
Sunshine
January has the least sunshine of the year, with an average of 4h of sunshine.UV index
January and February, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: A maximum daily UV index of 1 during January morphs into the following directions:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Fallow, IA
- Average high temperature in January: 23.2°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 (23.2°F).
- Average low temperature in January: 10.6°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (10.6°F).
Average pressure in January
Fallow, IA
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in January
Fallow, IA
- Average wind speed in January: 11mph
The windiest months (with the highest average wind speed) are January and April (11mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).
Average humidity in January
Fallow, IA
- Average humidity in January: 87%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (68%).
Average rainfall in January
Fallow, IA
- Average rainfall in January: 0.98"
The wettest month (with the highest rainfall) is June (4.25").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in January
Fallow, IA
- Average rainfall days in January: 4.1 days
The month with the highest number of rainy days is June (20 days).
The month with the least rainy days is February (3.4 days).
Average snowfall in January
Fallow, IA
- Average snowfall in January: 5.04"
The month with the highest snowfall is February (5.91").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Fallow, IA
- Average snowfall days in January: 12.5 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 January /
Average sunshine in January
Fallow, IA
- Average daylight in January: 9h and 24min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January: 4h and 0min
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 0min).
Average sunshine days in January
Fallow, IA
- Average sunshine days in January: 16 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (8.1 days).
Average UV index in January
Fallow, IA
- Average UV index in January: 1
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in January
Fallow, 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 July and September (Cloud cover 31).
Average visibility in January
Fallow, IA
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





