January weather forecastMonroe, IA
January
Weather in January
January, the same as December, in Monroe, Iowa, is another subzero cold winter month, with an average temperature fluctuating between 27.9°F (-2.3°C) and 14.5°F (-9.7°C).Temperature
In Monroe, the lowest temperatures are generally noted in January, averaging a high of 27.9°F (-2.3°C) and a low of 14.5°F (-9.7°C).Humidity
January and February, with an average relative humidity of 83%, are the most humid months in Monroe.Rainfall
January is the month with the least rainfall. Rain falls for 3.9 days and accumulates 0.94" (24mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Monroe, during January, snow falls for 10 days and regularly aggregates up to 4.33" (110mm) of snow. In Monroe, during the entire year, snow falls for 36.4 days and aggregates up to 15.12" (384mm) of snow.Daylight
The average length of the day in January is 9h and 35min.On the first day of the month, sunrise is at 7:38 am and sunset at 4:52 pm. On the last day of January, in Monroe, Iowa, sunrise is at 7:25 am and sunset at 5:26 pm CST.
Sunshine
With an average of 4.1h of sunshine, January has the least sunshine of the year.UV index
The month with the lowest UV index is January, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In January, the maximum UV index of 1 translates into these guidelines:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Monroe, IA
- Average high temperature in January: 27.9°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in January: 14.5°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).
Average pressure in January
Monroe, IA
- Average pressure in January: 30.15"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in January
Monroe, IA
- Average wind speed in January: 10.3mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in January
Monroe, IA
- Average humidity in January: 83%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Monroe, IA
- Average rainfall in January: 0.94"
The wettest month (with the highest rainfall) is May (4.65").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in January
Monroe, IA
- Average rainfall days in January: 3.9 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is January (3.9 days).
Average snowfall in January
Monroe, IA
- Average snowfall in January: 4.33"
The month with the highest snowfall is February (4.49").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Monroe, IA
- Average snowfall days in January: 10 days
The month with the highest number of snowfall days is January (10 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Monroe, IA
- Average daylight in January: 9h and 36min
The month with the longest days is June (Average daylight: 15h and 6min).
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 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in January
Monroe, IA
- Average sunshine days in January: 18.3 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in January
Monroe, IA
- Average UV index in January: 1
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in January
Monroe, IA
- Average cloud cover in January: 55
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in January
Monroe, 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).





