January weather forecastTripoli, IA
January
Weather in January
January, the same as December, in Tripoli, Iowa, is a freezing cold winter month, with an average temperature fluctuating between 23.5°F (-4.7°C) and 11.1°F (-11.6°C).Temperature
In Tripoli, the month of January is known for its lowest average temperatures, reaching a high of 23.5°F (-4.7°C) and a low of 11.1°F (-11.6°C).Humidity
January and February, with an average relative humidity of 88%, are the most humid months in Tripoli.Rainfall
The month with the least rainfall is January, when the rain falls for 4.3 days and typically collects 1.14" (29mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In January, it is snowing for 13.6 days. Throughout January, 5.31" (135mm) of snow is accumulated. Throughout the year, there are 55.9 snowfall days, and 23.46" (596mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 28min.On the first day of January, sunrise is at 7:39 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:20 pm CST.
Sunshine
January has the least sunshine of the year in Tripoli, with an average of 3.6h of sunshine.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Tripoli. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: In January, a regular UV index of 1 translates into these guidelines:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. It's recommended to limit sun exposure when its radiation is at its peak during midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be vigilant! The reflective nature of snow can increase 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
Tripoli, IA
- Average high temperature in January: 23.5°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (23.5°F).
- Average low temperature in January: 11.1°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (11.1°F).
Average pressure in January
Tripoli, 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 (29.89"Hg).
Average wind speed in January
Tripoli, IA
- Average wind speed in January: 10.6mph
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
Tripoli, 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 (73%).
Average rainfall in January
Tripoli, IA
- Average rainfall in January: 1.14"
The wettest month (with the highest rainfall) is June (5.04").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days in January
Tripoli, IA
- Average rainfall days in January: 4.3 days
The month with the highest number of rainy days is May (20.3 days).
The months with the least rainy days are January and February (4.3 days).
Average snowfall in January
Tripoli, IA
- Average snowfall in January: 5.31"
The month with the highest snowfall is February (5.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Tripoli, IA
- Average snowfall days in January: 13.6 days
The month with the highest number of snowfall days is January (13.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Tripoli, IA
- Average daylight in January: 9h and 30min
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 36min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in January
Tripoli, IA
- Average sunshine days in January: 14 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is June (7.3 days).
Average UV index in January
Tripoli, 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 December (UV index 1).
Average cloud cover in January
Tripoli, IA
- Average cloud cover in January: 62
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility in January
Tripoli, IA
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and July (5mi).





