Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
In Monona, Iowa, January is the month with the lowest recorded average temperatures, measuring a high of 22.8°F (-5.1°C) and a low of 10°F (-12.2°C).Humidity
January and February, with an average relative humidity of 88%, are the most humid months in Monona.Rainfall
The month with the least rainfall in Monona, Iowa, is January, when the rain falls for 4.3 days and typically collects 1.18" (30mm) of precipitation.Snowfall
Months with snowfall in Monona are January through May, October through December. In Monona, Iowa, during January, snow falls for 14.4 days and regularly aggregates up to 5.75" (146mm) of snow. In Monona, during the entire year, snow falls for 59.9 days and aggregates up to 25.67" (652mm) of snow.Daylight
In January, the average length of the day is 9h and 26min.On the first day of January in Monona, Iowa, sunrise is at 7:36 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:16 pm CST.
Sunshine
With an average of 3.5h of sunshine, January has the least sunshine of the year in Monona.UV index
The months with the lowest UV index in Monona, Iowa, are January, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The daily maximum UV index of 1 in January interprets into the following advice:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. 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. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Monona?
How cold is it in Monona in January?
What is the most humid month in Monona?
What is the average humidity in January in Monona?
What is the driest month in Monona?
How many days does it rain in January in Monona?
How many days does it snow in January in Monona?
What is the average length of the day in January in Monona?
When is the sunrise / sunset in January in Monona?
What is the month with the least sunshine in Monona?
How long on average sun shines in January in Monona?
What is the month with the lowest UV index in Monona?
How high is the UV index in January in Monona?
Average temperature in January
Monona, IA
- Average high temperature in January: 22.8°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (22.8°F).
- Average low temperature in January: 10°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (10°F).
Average pressure in January
Monona, IA
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in January
Monona, IA
- Average wind speed in January: 9.9mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity in January
Monona, IA
- Average humidity in January: 88%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is October (76%).
Average rainfall in January
Monona, IA
- Average rainfall in January: 1.18"
The wettest month (with the highest rainfall) is June (5.08").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in January
Monona, IA
- Average rainfall days in January: 4.3 days
The month with the highest number of rainy days is May (20.2 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in January
Monona, IA
- Average snowfall in January: 5.75"
The month with the highest snowfall is February (6.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Monona, IA
- Average snowfall days in January: 14.4 days
The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Monona, IA
- Average daylight in January: 9h and 2min
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 6min).
- Average sunshine in January: 3h and 3min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in January
Monona, IA
- Average sunshine days in January: 13.9 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (7.8 days).
Average UV index in January
Monona, IA
- Average UV index in January: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in January
Monona, IA
- Average cloud cover in January: 64
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in January
Monona, IA
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, July and December (5mi).
Monona, Iowa, USA
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