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
January is the coldest month, with an average high-temperature of 39.9°F (4.4°C) and an average low-temperature of 23.9°F (-4.5°C).Humidity
The months with the highest humidity in Alton are January and December, with an average relative humidity of 69%.Rainfall
The month with the least rainfall is January, when the rain falls for 3.8 days and typically collects 0.59" (15mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Alton. In Alton, in January, during 4.9 snowfall days, 1.69" (43mm) of snow is typically accumulated. Throughout the year, in Alton, there are 22.6 snowfall days, and 8.5" (216mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 46min.On the first day of January, sunrise is at 7:55 am and sunset at 5:22 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 5:54 pm CST.
Sunshine
The average sunshine in January is 6.1h.UV index
The months with the lowest UV index in Alton are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 2 during January translates into the following directions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Alton?
How cold is it in Alton in January?
What is the most humid month in Alton?
What is the average humidity in January in Alton?
What is the driest month in Alton?
How many days does it rain in January in Alton?
How many days does it snow in January in Alton?
How many hours of daylight does Alton have in January?
When is the sunrise / sunset in January in Alton?
How many hours of sunshine does Alton have in January?
What are the months with the lowest UV index in Alton?
What is the UV index intensity in January in Alton?
Average temperature in January
Alton, KS
- Average high temperature in January: 39.9°F
The warmest month (with the highest average high temperature) is July (92.5°F).
The month with the lowest average high temperature is January (39.9°F).
- Average low temperature in January: 23.9°F
The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).
Average pressure in January
Alton, KS
- Average pressure in January: 30.17"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in January
Alton, KS
- Average wind speed in January: 10.1mph
The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is August (8.9mph).
Average humidity in January
Alton, KS
- Average humidity in January: 69%
The months with the highest relative humidity are January and December (69%).
The month with the lowest relative humidity is July (57%).
Average rainfall in January
Alton, KS
- Average rainfall in January: 0.59"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in January
Alton, KS
- Average rainfall days in January: 3.8 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in January
Alton, KS
- Average snowfall in January: 1.69"
The month with the highest snowfall is February (2.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Alton, KS
- Average snowfall days in January: 4.9 days
The month with the highest number of snowfall days is February (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Alton, KS
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January: 6h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in January
Alton, KS
- Average sunshine days in January: 22.6 days
The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is May (13.5 days).
Average UV index in January
Alton, KS
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Alton, KS
- Average cloud cover in January: 33
The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is June (Cloud cover 21).
Average visibility in January
Alton, KS
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Alton, Kansas, USA
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