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
Clarksville's temperature records reveal January as the coldest month, marked by average highs of 23.9°F (-4.5°C) and lows of 11.3°F (-11.5°C).Humidity
With an average relative humidity of 87%, January is the most humid month.Rainfall
January is the month with the least rainfall. Rain falls for 4.2 days and accumulates 1.02" (26mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Clarksville, during January, snow falls for 10.5 days and regularly aggregates up to 4.33" (110mm) of snow. Throughout the year, there are 43.6 snowfall days, and 19.25" (489mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 28min.On the first day of the month, sunrise is at 7:41 am and sunset at 4:47 pm. On the last day of January, sunrise is at 7:26 am and sunset at 5:21 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 3.8h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A typical high UV index of 1 in January suggests the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
How cold is it in January?
What is the most humid month?
What is the average humidity in January?
What is the driest month?
How many days does it rain in January?
How much does it snow in January?
What is the average length of the day in January?
When are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Clarksville have in January?
When is the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Clarksville, IA
- Average high temperature in January: 23.9°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (23.9°F).
- Average low temperature in January: 11.3°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (11.3°F).
Average pressure in January
Clarksville, 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
Clarksville, IA
- Average wind speed in January: 10.5mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in January
Clarksville, 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
Clarksville, IA
- Average rainfall in January: 1.02"
The wettest month (with the highest rainfall) is June (4.29").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in January
Clarksville, IA
- Average rainfall days in January: 4.2 days
The month with the highest number of rainy days is June (19.4 days).
The month with the least rainy days is February (3.9 days).
Average snowfall in January
Clarksville, IA
- Average snowfall in January: 4.33"
The month with the highest snowfall is February (5.08").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Clarksville, IA
- Average snowfall days in January: 10.5 days
The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Clarksville, 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 month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in January
Clarksville, IA
- Average sunshine days in January: 17.2 days
The months with the most sunshine days are October and November (17.8 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in January
Clarksville, 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
Clarksville, IA
- Average cloud cover in January: 61
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in January
Clarksville, IA
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Clarksville, Iowa, USA
Weather forecast for your location
2. Allow the app to use your location