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
Illmo's January weather, marked by an average high temperature of 41°F (5°C) and an average low temperature of 27.9°F (-2.3°C), is the coldest in the year.Humidity
In Illmo, the average relative humidity in January is 75%.Rainfall
In Illmo, during January, the rain falls for 9.8 days and regularly aggregates up to 2.32" (59mm) of precipitation. Throughout the year, there are 158.6 rainfall days, and 35.59" (904mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Illmo, in January, during 3.7 snowfall days, 0.79" (20mm) of snow is typically accumulated. In Illmo, during the entire year, snow falls for 11.2 days and aggregates up to 4.92" (125mm) of snow.Daylight
The average length of the day in January is 9h and 57min.On the first day of the month, sunrise is at 7:11 am and sunset at 4:51 pm. On the last day of January, sunrise is at 7:01 am and sunset at 5:21 pm CST.
Sunshine
In Illmo, Missouri, the average sunshine in January is 4.9h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In January, an average UV index of 2 transforms into the following instructions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
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 average humidity in January?
How much does it rain in January?
How much does it snow in January?
How many hours of daylight does Illmo have in January?
When are sunrise and sunset in January?
How many hours of sunshine does Illmo have in January?
What are the months with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Illmo, MO
- Average high temperature in January: 41°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (41°F).
- Average low temperature in January: 27.9°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).
Average pressure in January
Illmo, MO
- 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 (29.94"Hg).
Average wind speed in January
Illmo, MO
- Average wind speed in January: 9.1mph
The windiest months (with the highest average wind speed) are January and February (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in January
Illmo, MO
- Average humidity in January: 75%
The months with the highest relative humidity are March and May (78%).
The month with the lowest relative humidity is October (69%).
Average rainfall in January
Illmo, MO
- Average rainfall in January: 2.32"
The wettest month (with the highest rainfall) is April (4.33").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in January
Illmo, MO
- Average rainfall days in January: 9.8 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (9.8 days).
Average snowfall in January
Illmo, MO
- Average snowfall in January: 0.79"
The month with the highest snowfall is February (2.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Illmo, MO
- Average snowfall days in January: 3.7 days
The month with the highest number of snowfall days is January (3.7 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
Illmo, MO
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in January
Illmo, MO
- Average sunshine days in January: 17.8 days
The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is July (11.9 days).
Average UV index in January
Illmo, MO
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in January
Illmo, MO
- Average cloud cover in January: 47
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are June, August and September (Cloud cover 27).
Average visibility in January
Illmo, MO
- 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).
Illmo, Missouri, USA
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