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
Napoleon's coldest month, January, generally records average temperatures ranging from a high of 36.5°F (2.5°C) to a low of 22.3°F (-5.4°C).Humidity
The average relative humidity in January is 74%.Rainfall
The month with the least rainfall is January, when the rain falls for 5.4 days and typically collects 0.94" (24mm) of precipitation.Snowfall
Months with snowfall in Napoleon are January through March, May, October through December. In Napoleon, Missouri, in January, during 4.1 snowfall days, 2.28" (58mm) of snow is typically accumulated. Throughout the year, there are 16.7 snowfall days, and 8.86" (225mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 47min.On the first day of the month, sunrise is at 7:35 am and sunset at 5:04 pm. On the last day of January, sunrise is at 7:23 am and sunset at 5:35 pm CST.
Sunshine
The month with the least sunshine in Napoleon is January, with an average of 5h 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 of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The daily high UV index of 2 in January translates into this advice:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
How cold is it in January?
What is the average humidity in January in Napoleon?
What is the driest month?
How much does it rain in January?
How many days does it snow in January?
How many hours of daylight does Napoleon have in January?
When are sunrise and sunset in January in Napoleon?
What is the month with the least sunshine?
How many hours of sunshine does Napoleon have in January?
What are the months with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Napoleon, MO
- Average high temperature in January: 36.5°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (36.5°F).
- Average low temperature in January: 22.3°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in January
Napoleon, MO
- 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 (29.89"Hg).
Average wind speed in January
Napoleon, MO
- Average wind speed in January: 9.6mph
The windiest month (with the highest average wind speed) is March (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in January
Napoleon, MO
- Average humidity in January: 74%
The months with the highest relative humidity are May and June (79%).
The months with the lowest relative humidity are October and November (71%).
Average rainfall in January
Napoleon, MO
- Average rainfall in January: 0.94"
The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in January
Napoleon, MO
- Average rainfall days in January: 5.4 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (5.4 days).
Average snowfall in January
Napoleon, MO
- Average snowfall in January: 2.28"
The month with the highest snowfall is February (3.35").
The months with the least snowfall are April, June, July, August and September (0").
Average snowfall days in January
Napoleon, MO
- Average snowfall days in January: 4.1 days
The month with the highest number of snowfall days is February (4.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Napoleon, MO
- 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 30min).
- Average sunshine in January: 5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in January
Napoleon, MO
- Average sunshine days in January: 21.8 days
The month with the most sunshine days is December (22 days).
The months with the least sunshine days are May and June (11.6 days).
Average UV index in January
Napoleon, 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
Napoleon, MO
- Average cloud cover in January: 44
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in January
Napoleon, 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).
Napoleon, Missouri, USA
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