January weather forecastDunkerton, IA
January
Weather in January
January, the same as December, in Dunkerton, Iowa, is another subzero cold winter month, with an average temperature fluctuating between 24.3°F (-4.3°C) and 12.2°F (-11°C).Temperature
January is Dunkerton's coldest month, registering average high temperatures of 24.3°F (-4.3°C) and lows of 12.2°F (-11°C).Humidity
The most humid month is January, with an average relative humidity of 87%.Rainfall
January and February are months with the least rain when the rain falls for 3.9 days and typically aggregates up to 1.14" (29mm) of rain.Snowfall
Months with snowfall are January through May, October through December. The month with the most snowfall is January, when snow falls for 12.3 days and typically aggregates up to 5.24" (133mm) of snow.Daylight
In January, the average length of the day is 9h and 29min.On the first day of the month, sunrise is at 7:38 am and sunset at 4:45 pm. On the last day of January, in Dunkerton, sunrise is at 7:23 am and sunset at 5:20 pm CST.
Sunshine
With an average of 3.7h of sunshine, January has the least sunshine of the year in Dunkerton.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Dunkerton. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high UV index of 1 in January translates into the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Dunkerton, IA
- Average high temperature in January: 24.3°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 (24.3°F).
- Average low temperature in January: 12.2°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 (12.2°F).
Average pressure in January
Dunkerton, 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
Dunkerton, IA
- Average wind speed in January: 10.6mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in January
Dunkerton, 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 (72%).
Average rainfall in January
Dunkerton, IA
- Average rainfall in January: 1.14"
The wettest month (with the highest rainfall) is June (4.88").
The driest months (with the least rainfall) are January and February (1.14").
Average rainfall days in January
Dunkerton, IA
- Average rainfall days in January: 3.9 days
The month with the highest number of rainy days is June (19.6 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in January
Dunkerton, IA
- Average snowfall in January: 5.24"
The month with the highest snowfall is January (5.24").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Dunkerton, IA
- Average snowfall days in January: 12.3 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Dunkerton, 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 42min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in January
Dunkerton, IA
- Average sunshine days in January: 16.3 days
The month with the most sunshine days is October (17.4 days).
The month with the least sunshine days is June (7.8 days).
Average UV index in January
Dunkerton, 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
Dunkerton, IA
- Average cloud cover in January: 61
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility in January
Dunkerton, IA
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).





