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
Temperature readings reach their annual highs in January, averaging 27.9°F (-2.3°C) and a minimum average of 17.1°F (-8.3°C).Humidity
The months with the highest humidity in Napoleon, Michigan, are January and February, with an average relative humidity of 87%.Rainfall
In Napoleon, during January, the rain falls for 5.5 days and regularly aggregates up to 1.06" (27mm) of precipitation. Throughout the year, there are 144.6 rainfall days, and 20.2" (513mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Napoleon, Michigan. In Napoleon, in January, snow falls for 13 days, with typically accumulated 3.07" (78mm) of snow. Throughout the year, in Napoleon, there are 51.4 snowfall days, and 13.11" (333mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 31min.On the first day of January in Napoleon, Michigan, sunrise is at 8:05 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 5:49 pm EST.
Sunshine
With an average of 2.9h of sunshine, January has the least sunshine of the year in Napoleon.UV index
The months with the lowest UV index in Napoleon are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A typical high UV index of 1 in January suggests the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Direct Sun exposure should be minimized especially during midday when radiation is most intense. To cut down UV radiation exposure by about half, sport a wide-brim hat. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Frequently asked questions
What is the coldest time of year in Napoleon?
How cold is it in Napoleon in January?
What are the most humid months in Napoleon?
What is the average humidity in January in Napoleon?
How many days does it rain in January in Napoleon?
How much does it snow in Napoleon in January?
What is the average length of the day in January in Napoleon?
When are sunrise and sunset in January in Napoleon?
What is the month with the least sunshine in Napoleon?
How many hours of sunshine does Napoleon have in January?
What are the months with the lowest UV index in Napoleon?
What is the UV index intensity in January in Napoleon?
Average temperature in January
Napoleon, MI
- Average high temperature in January: 27.9°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in January: 17.1°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in January
Napoleon, MI
- Average pressure in January: 30.08"Hg
The months with the highest atmospheric pressure are March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Napoleon, MI
- Average wind speed in January: 10.4mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).
Average humidity in January
Napoleon, MI
- Average humidity in January: 87%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is April (77%).
Average rainfall in January
Napoleon, MI
- Average rainfall in January: 1.06"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is December (0.87").
Average rainfall days in January
Napoleon, MI
- Average rainfall days in January: 5.5 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in January
Napoleon, MI
- Average snowfall in January: 3.07"
The month with the highest snowfall is February (3.66").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Napoleon, MI
- Average snowfall days in January: 13 days
The month with the highest number of snowfall days is January (13 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, MI
- Average daylight in January: 9h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January: 2h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in January
Napoleon, MI
- Average sunshine days in January: 14.3 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is May (9.9 days).
Average UV index in January
Napoleon, MI
- Average UV index in January: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Napoleon, MI
- Average cloud cover in January: 71
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in January
Napoleon, MI
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are January, February, August and September (5mi).
Napoleon, Michigan, USA
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