January weather forecastGraettinger, IA
January
Weather in January
January, like December, is another subzero cold winter month in Graettinger, Iowa, with an average temperature ranging between min 10.6°F (-11.9°C) and max 23.2°F (-4.9°C).Temperature
January, with average temperatures reaching a high of 23.2°F (-4.9°C) and a low of 10.6°F (-11.9°C), is the coldest month.Humidity
The most humid month is January, with an average relative humidity of 87%.Rainfall
The month with the least rainfall is January, when the rain falls for 4.1 days and typically collects 0.98" (25mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Graettinger, in January, snow falls for 12.5 days, with typically accumulated 5.04" (128mm) of snow. In Graettinger, during the entire year, snow falls for 51.6 days and aggregates up to 23.03" (585mm) of snow.Daylight
The average length of the day in January is 9h and 25min.On the first day of the month, sunrise is at 7:51 am and sunset at 4:53 pm. On the last day of January, in Graettinger, sunrise is at 7:35 am and sunset at 5:29 pm CST.
Sunshine
January has the least sunshine of the year in Graettinger, with an average of 4h of sunshine.UV index
The months with the lowest UV index are January and February, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In January, an average UV index of 1 transforms into the following instructions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Graettinger, IA
- Average high temperature in January: 23.2°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (23.2°F).
- Average low temperature in January: 10.6°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 (10.6°F).
Average pressure in January
Graettinger, IA
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in January
Graettinger, IA
- Average wind speed in January: 11mph
The windiest months (with the highest average wind speed) are January and April (11mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).
Average humidity in January
Graettinger, 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 (68%).
Average rainfall in January
Graettinger, IA
- Average rainfall in January: 0.98"
The wettest month (with the highest rainfall) is June (4.25").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in January
Graettinger, IA
- Average rainfall days in January: 4.1 days
The month with the highest number of rainy days is June (20 days).
The month with the least rainy days is February (3.4 days).
Average snowfall in January
Graettinger, IA
- Average snowfall in January: 5.04"
The month with the highest snowfall is February (5.91").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Graettinger, IA
- Average snowfall days in January: 12.5 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Graettinger, IA
- Average daylight in January: 9h and 24min
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 0min).
- Average sunshine in January: 4h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in January
Graettinger, IA
- Average sunshine days in January: 16 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (8.1 days).
Average UV index in January
Graettinger, 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 February (UV index 1).
Average cloud cover in January
Graettinger, IA
- Average cloud cover in January: 57
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are July and September (Cloud cover 31).
Average visibility in January
Graettinger, IA
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





