January weather forecastPolk, MO
January
Weather in January
January, the same as December, is an icy winter month in Polk, Missouri, with an average temperature varying between 25.5°F (-3.6°C) and 41°F (5°C).Temperature
January, known for its average high temperature of 41°F (5°C) and an average low temperature of 25.5°F (-3.6°C), is the coldest month.Humidity
In Polk, the average relative humidity in January is 74%.Rainfall
January and December are months with the least rain when the rain falls for 6.9 days and typically aggregates up to 1.57" (40mm) of rain.Snowfall
Months with snowfall are January through May, November and December. In January, it is snowing for 5.3 days. Throughout January, 2.44" (62mm) of snow is accumulated. Throughout the year, there are 18.4 snowfall days, and 8.35" (212mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 55min.On the first day of January, sunrise is at 7:28 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 5:35 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 5.1h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 2 in January translates into this advice:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Polk, MO
- Average high temperature in January: 41°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (41°F).
- Average low temperature in January: 25.5°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).
Average pressure in January
Polk, MO
- Average pressure in January: 30.17"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are April and June (29.93"Hg).
Average wind speed in January
Polk, MO
- Average wind speed in January: 9.8mph
The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).
Average humidity in January
Polk, MO
- Average humidity in January: 74%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (72%).
Average rainfall in January
Polk, MO
- Average rainfall in January: 1.57"
The wettest month (with the highest rainfall) is May (5.28").
The driest months (with the least rainfall) are January and December (1.57").
Average rainfall days in January
Polk, MO
- Average rainfall days in January: 6.9 days
The month with the highest number of rainy days is May (17.4 days).
The months with the least rainy days are January and December (6.9 days).
Average snowfall in January
Polk, MO
- Average snowfall in January: 2.44"
The month with the highest snowfall is February (2.64").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Polk, MO
- Average snowfall days in January: 5.3 days
The month with the highest number of snowfall days is February (6.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Polk, MO
- Average daylight in January: 9h and 54min
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 36min).
- Average sunshine in January: 5h and 6min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in January
Polk, MO
- Average sunshine days in January: 19.4 days
The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is May (11.1 days).
Average UV index in January
Polk, MO
- 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
Polk, MO
- Average cloud cover in January: 44
The month with the most cloud cover is March (Cloud cover 47).
The months with the least cloud cover are June, July and August (Cloud cover 27).
Average visibility in January
Polk, 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).





