Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
Napoleon experiences a temperature shift with the start of April, with average high-temperatures moving from a wintry 37.9°F (3.3°C) in March to a fresh 51.8°F (11°C). Napoleon's temperature drops to an average low of 34.5°F (1.4°C) during the nights of April.Humidity
In Napoleon, the average relative humidity in April is 66%.Rainfall
In April, the rain falls for 12.4 days. Throughout April, 1.42" (36mm) of precipitation is accumulated. Throughout the year, in Napoleon, there are 105.9 rainfall days, and 15" (381mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Napoleon, during April, snow falls for 5.4 days and regularly aggregates up to 2.36" (60mm) of snow. In Napoleon, during the entire year, snow falls for 73.7 days and aggregates up to 23.11" (587mm) of snow.Daylight
In April, the average length of the day is 13h and 37min.On the first day of the month, sunrise is at 7:16 am and sunset at 8:08 pm. On the last day of April, in Napoleon, sunrise is at 6:24 am and sunset at 8:47 pm CDT.
Sunshine
In Napoleon, the average sunshine in April is 7.6h.UV index
In April, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 3 in April interprets into the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature?
What is the average humidity in April?
How many days does it rain in April?
How many days does it snow in April?
How many hours of daylight does Napoleon have in April?
What time are sunrise and sunset in April?
How many hours of sunshine does Napoleon have in April?
What is the UV index intensity in April?
Average temperature in April
Napoleon, ND
- Average high temperature in April: 51.8°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 April: 34.5°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 April
Napoleon, ND
- Average pressure in April: 29.96"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 April
Napoleon, ND
- Average wind speed in April: 10.7mph
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 April
Napoleon, ND
- Average humidity in April: 66%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (55%).
Average rainfall in April
Napoleon, ND
- Average rainfall in April: 1.42"
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 April
Napoleon, ND
- Average rainfall days in April: 12.4 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 April
Napoleon, ND
- Average snowfall in April: 2.36"
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 April
Napoleon, ND
- Average snowfall days in April: 5.4 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 April /
Average sunshine in April
Napoleon, ND
- Average daylight in April: 13h and 4min
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 April: 7h and 4min
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 April
Napoleon, ND
- Average sunshine days in April: 12.7 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 April
Napoleon, ND
- Average UV index in April: 3
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 April
Napoleon, ND
- Average cloud cover in April: 46
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 April
Napoleon, ND
- Average visibility in April: 6mi
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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