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
In Colwell, the lowest average temperatures are observed in January, with a high of 22.6°F (-5.2°C) and a low of 10.6°F (-11.9°C).Humidity
With an average relative humidity of 88%, January is the most humid month.Rainfall
January is the month with the least rainfall in Colwell. Rain falls for 4.8 days and accumulates 1.14" (29mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Colwell, Iowa. In Colwell, in January, during 14.3 snowfall days, 5.55" (141mm) of snow is typically accumulated. Throughout the year, there are 59.5 snowfall days, and 25.04" (636mm) of snow is accumulated.Daylight
In January, the average length of the day in Colwell is 9h and 26min.On the first day of the month, sunrise is at 7:42 am and sunset at 4:45 pm. On the last day of January, sunrise is at 7:26 am and sunset at 5:20 pm CST.
Sunshine
With an average of 3.5h of sunshine, January has the least sunshine of the year in Colwell.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.Note: The daily maximum UV index of 1 in January interprets into the following advice:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. When the Sun is at its strongest around midday, find shade and limit exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Frequently asked questions
What is the coldest time of year in Colwell?
How cold is it in Colwell in January?
What is the most humid month in Colwell?
What is the average humidity in January in Colwell?
What is the driest month in Colwell?
How many days does it rain in January in Colwell?
How many days does it snow in January in Colwell?
What is the average length of the day in January in Colwell?
When is the sunrise / sunset in January in Colwell?
What is the month with the least sunshine in Colwell?
How long on average sun shines in January in Colwell?
What is the month with the lowest UV index in Colwell?
What is the UV index reading in January in Colwell?
Average temperature in January
Colwell, IA
- Average high temperature in January: 22.6°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 (22.6°F).
- Average low temperature in January: 10.6°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 (10.6°F).
Average pressure in January
Colwell, 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
Colwell, IA
- Average wind speed in January: 10.6mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in January
Colwell, IA
- Average humidity in January: 88%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (72%).
Average rainfall in January
Colwell, IA
- Average rainfall in January: 1.14"
The wettest month (with the highest rainfall) is June (4.17").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days in January
Colwell, IA
- Average rainfall days in January: 4.8 days
The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in January
Colwell, IA
- Average snowfall in January: 5.55"
The month with the highest snowfall is February (6.5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Colwell, IA
- Average snowfall days in January: 14.3 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Colwell, IA
- Average daylight in January: 9h and 2min
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 3min
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 30min).
Average sunshine days in January
Colwell, IA
- Average sunshine days in January: 13.8 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in January
Colwell, 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, February and December (UV index 1).
Average cloud cover in January
Colwell, IA
- Average cloud cover in January: 63
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in January
Colwell, IA
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, September, October and November (6mi).
The months with the lowest visibility are January, February, July, August and December (5mi).
Colwell, Iowa, USA
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