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
Ackley notes the coldest temperatures in January, with a high average of 24.1°F (-4.4°C) and a low of 11.7°F (-11.3°C).Humidity
With an average relative humidity of 87%, January is the most humid month.Rainfall
The month with the least rainfall in Ackley is January, when the rain falls for 4.3 days and typically collects 1.1" (28mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Ackley, Iowa. In January, in Ackley, Iowa, it is snowing for 12.5 days. Throughout January, 5.28" (134mm) of snow is accumulated. In Ackley, during the entire year, snow falls for 51.1 days and aggregates up to 21.26" (540mm) of snow.Daylight
In Ackley, Iowa, the average length of the day in January is 9h and 29min.On the first day of January, sunrise is at 7:41 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:23 pm CST.
Sunshine
January has the least sunshine of the year, with an average of 3.8h of sunshine.UV index
The month with the lowest UV index in Ackley, Iowa, is January, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: A daily high UV index of 1 in January leads to these guidelines:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Ackley?
How cold is it in Ackley in January?
What is the most humid month in Ackley?
What is the average humidity in January in Ackley?
What is the driest month in Ackley?
How many days does it rain in January in Ackley?
How much does it snow in Ackley in January?
What is the average length of the day in January in Ackley?
When are sunrise and sunset in January in Ackley?
What is the month with the least sunshine in Ackley?
How long on average sun shines in January in Ackley?
When is the lowest UV index in Ackley?
What is the UV index intensity in January in Ackley?
Average temperature in January
Ackley, IA
- Average high temperature in January: 24.1°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (24.1°F).
- Average low temperature in January: 11.7°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).
Average pressure in January
Ackley, 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
Ackley, IA
- Average wind speed in January: 10.9mph
The windiest months (with the highest average wind speed) are January and April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.2mph).
Average humidity in January
Ackley, 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 (71%).
Average rainfall in January
Ackley, IA
- Average rainfall in January: 1.1"
The wettest month (with the highest rainfall) is June (4.76").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in January
Ackley, IA
- Average rainfall days in January: 4.3 days
The month with the highest number of rainy days is June (19.8 days).
The month with the least rainy days is February (4 days).
Average snowfall in January
Ackley, IA
- Average snowfall in January: 5.28"
The month with the highest snowfall is February (5.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Ackley, 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
Ackley, IA
- Average daylight in January: 9h and 3min
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 5min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in January
Ackley, IA
- Average sunshine days in January: 15.5 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is June (8.1 days).
Average UV index in January
Ackley, IA
- Average UV index in January: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in January
Ackley, IA
- Average cloud cover in January: 60
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility in January
Ackley, IA
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).
Ackley, Iowa, USA
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