January weather forecastMorrison, IA
January
Weather in January
January, like December, is a freezing cold winter month in Morrison, Iowa, with an average temperature varying between 25°F (-3.9°C) and 12.6°F (-10.8°C).Temperature
January, recording an average high temperature of 25°F (-3.9°C) and a low temperature of 12.6°F (-10.8°C), is Morrison's coldest month.Humidity
The most humid month is January, with an average relative humidity of 86%.Rainfall
The month with the least rainfall is January, when the rain falls for 4.4 days and typically collects 1.1" (28mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. The month with the most snowfall in Morrison is January, when snow falls for 12.8 days and typically aggregates up to 4.88" (124mm) of snow.Daylight
The average length of the day in January is 9h and 30min.On the first day of January, sunrise is at 7:39 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:22 pm CST.
Sunshine
With an average of 3.9h of sunshine, January has the least sunshine of the year.UV index
January is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 1 during January translates into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Morrison, IA
- Average high temperature in January: 25°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (25°F).
- Average low temperature in January: 12.6°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in January
Morrison, IA
- Average pressure in January: 30.14"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in January
Morrison, IA
- Average wind speed in January: 10.7mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in January
Morrison, IA
- Average humidity in January: 86%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Morrison, IA
- Average rainfall in January: 1.1"
The wettest month (with the highest rainfall) is May (4.76").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in January
Morrison, IA
- Average rainfall days in January: 4.4 days
The month with the highest number of rainy days is June (19.6 days).
The month with the least rainy days is February (3.9 days).
Average snowfall in January
Morrison, IA
- Average snowfall in January: 4.88"
The month with the highest snowfall is January (4.88").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Morrison, IA
- Average snowfall days in January: 12.8 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Morrison, 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 6min).
- Average sunshine in January: 3h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in January
Morrison, IA
- Average sunshine days in January: 16.8 days
The months with the most sunshine days are October and November (16.9 days).
The month with the least sunshine days is June (7.9 days).
Average UV index in January
Morrison, IA
- Average UV index in January: 1
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in January
Morrison, IA
- Average cloud cover in January: 58
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in January
Morrison, IA
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).





