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
The month of January sees the lowest average temperatures, reaching 31.5°F (-0.3°C) at the peak and 19.4°F (-7°C) at the low.Humidity
In January, the average relative humidity is 80%.Rainfall
In Lewistown, in January, during 4.8 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. In Lewistown, during the entire year, the rain falls for 131.7 days and collects up to 22.48" (571mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Lewistown, Illinois. The month with the most snowfall is January, when snow falls for 9.4 days and typically aggregates up to 3.35" (85mm) of snow.Daylight
In January, the average length of the day in Lewistown is 9h and 41min.On the first day of January, sunrise is at 7:23 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:17 pm CST.
Sunshine
January has the least sunshine of the year in Lewistown, with an average of 4.1h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.Note: A daily high UV index of 2 in January leads to these guidelines:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Frequently asked questions
What is the coldest month in Lewistown?
How cold is January in Lewistown?
What is the average humidity in January in Lewistown?
How many days does it rain in January in Lewistown?
When does it snow the most in Lewistown?
How much does it snow in Lewistown in January?
What is the average length of the day in January in Lewistown?
What time are sunrise and sunset in January in Lewistown?
What is the month with the least sunshine in Lewistown?
How long on average sun shines in January in Lewistown?
When is the lowest UV index in Lewistown?
How high is the UV index in January in Lewistown?
Average temperature in January
Lewistown, IL
- Average high temperature in January: 31.5°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in January: 19.4°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).
Average pressure in January
Lewistown, IL
- 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 (29.91"Hg).
Average wind speed in January
Lewistown, IL
- Average wind speed in January: 10.3mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in January
Lewistown, IL
- Average humidity in January: 80%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Lewistown, IL
- Average rainfall in January: 1.02"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is December (0.94").
Average rainfall days in January
Lewistown, IL
- Average rainfall days in January: 4.8 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is February (4.7 days).
Average snowfall in January
Lewistown, IL
- Average snowfall in January: 3.35"
The month with the highest snowfall is January (3.35").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Lewistown, IL
- Average snowfall days in January: 9.4 days
The month with the highest number of snowfall days is January (9.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Lewistown, IL
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 4h and 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in January
Lewistown, IL
- Average sunshine days in January: 17.9 days
The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is June (11.1 days).
Average UV index in January
Lewistown, IL
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Lewistown, IL
- Average cloud cover in January: 56
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in January
Lewistown, IL
- 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).
Lewistown, Illinois, USA
Weather forecast for your location
2. Allow the app to use your location
