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
January stands out as Napoleon's coldest month, with an average high-temperature of 20.8°F (-6.2°C) and a low-temperature of 6.1°F (-14.4°C).Humidity
The most humid month in Napoleon is January, with an average relative humidity of 89%.Rainfall
January is the month with the least rainfall. Rain falls for 4 days and accumulates 0.59" (15mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Napoleon, in January, during 14.8 snowfall days, 3.58" (91mm) of snow is typically accumulated. In Napoleon, during the entire year, snow falls for 73.7 days and aggregates up to 23.11" (587mm) of snow.Daylight
The average length of the day in January is 9h and 5min.On the first day of January, sunrise is at 8:22 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 8:03 am and sunset at 5:40 pm CST.
Sunshine
With an average of 3.8h of sunshine, January has the least sunshine of the year.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: An average UV index of 1 in January transforms into this advice:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. To guard against the harmful effects of the Sun, minimize exposure during midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
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 January?
What is the most humid month?
What is the average humidity in January?
What is the driest month?
How many days does it rain in January?
How much does it snow in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
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 in Napoleon?
Average temperature in January
Napoleon, ND
- Average high temperature in January: 20.8°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (20.8°F).
- Average low temperature in January: 6.1°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 (6.1°F).
Average pressure in January
Napoleon, ND
- Average pressure in January: 30.15"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in January
Napoleon, ND
- Average wind speed in January: 9.9mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity in January
Napoleon, ND
- Average humidity in January: 89%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (55%).
Average rainfall in January
Napoleon, ND
- Average rainfall in January: 0.59"
The wettest month (with the highest rainfall) is June (2.28").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in January
Napoleon, ND
- Average rainfall days in January: 4 days
The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is February (3.4 days).
Average snowfall in January
Napoleon, ND
- Average snowfall in January: 3.58"
The month with the highest snowfall is February (4.33").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Napoleon, ND
- Average snowfall days in January: 14.8 days
The month with the highest number of snowfall days is December (15.7 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, ND
- Average daylight in January: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January: 3h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in January
Napoleon, ND
- Average sunshine days in January: 13.8 days
The month with the most sunshine days is September (19.9 days).
The month with the least sunshine days is March (12.3 days).
Average UV index in January
Napoleon, ND
- Average UV index in January: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in January
Napoleon, ND
- Average cloud cover in January: 59
The month with the most cloud cover is February (Cloud cover 60).
The months with the least cloud cover are July and August (Cloud cover 21).
Average visibility in January
Napoleon, ND
- Average visibility in January: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Napoleon, North Dakota, USA
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