January weather forecastCharter Oak, IA
January
Weather in January
January, the same as December, in Charter Oak, Iowa, is another subzero cold winter month, with an average temperature ranging between max 27°F (-2.8°C) and min 14°F (-10°C).Temperature
January, characterized by an average high temperature of 27°F (-2.8°C) and a low temperature of 14°F (-10°C), is generally the coldest month.Humidity
The most humid month in Charter Oak is January, with an average relative humidity of 83%.Rainfall
January is the month with the least rainfall. Rain falls for 3.6 days and accumulates 0.71" (18mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Charter Oak. In Charter Oak, in January, during 10.2 snowfall days, 3.35" (85mm) of snow is typically accumulated. In Charter Oak, during the entire year, snow falls for 36.8 days and aggregates up to 14.53" (369mm) of snow.Daylight
In Charter Oak, the average length of the day in January is 9h and 32min.On the first day of the month, sunrise is at 7:50 am and sunset at 5:01 pm. On the last day of January, in Charter Oak, Iowa, sunrise is at 7:36 am and sunset at 5:35 pm CST.
Sunshine
With an average of 4.2h of sunshine, January has the least sunshine of the year in Charter Oak.UV index
In January, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In January, the maximum UV index of 2 suggests these recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. The solar radiation around mid-day is intense; avoid the Sun and stay safe. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Charter Oak, IA
- Average high temperature in January: 27°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in January: 14°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (14°F).
Average pressure in January
Charter Oak, 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 (29.87"Hg).
Average wind speed in January
Charter Oak, IA
- Average wind speed in January: 10.9mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).
Average humidity in January
Charter Oak, IA
- Average humidity in January: 83%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are April and October (68%).
Average rainfall in January
Charter Oak, IA
- Average rainfall in January: 0.71"
The wettest month (with the highest rainfall) is May (3.82").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in January
Charter Oak, IA
- Average rainfall days in January: 3.6 days
The month with the highest number of rainy days is June (16.5 days).
The month with the least rainy days is February (3 days).
Average snowfall in January
Charter Oak, IA
- Average snowfall in January: 3.35"
The month with the highest snowfall is February (3.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Charter Oak, IA
- Average snowfall days in January: 10.2 days
The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Charter Oak, IA
- Average daylight in January: 9h and 30min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January: 4h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in January
Charter Oak, IA
- Average sunshine days in January: 18 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is June (11.9 days).
Average UV index in January
Charter Oak, IA
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in January
Charter Oak, IA
- Average cloud cover in January: 55
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in January
Charter Oak, 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).
