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
In Napoleon, the average high-temperature in April rises, from a chilly 45.3°F (7.4°C) in March, to a mild 57.7°F (14.3°C). The average nighttime temperature lowers to a cold 41°F (5°C) throughout April.Humidity
In April, the average relative humidity is 76%.Rainfall
The month with the most rainfall is April, when the rain falls for 16.1 days and typically aggregates up to 3.15" (80mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. In Napoleon, in April, during 1.6 snowfall days, 0.94" (24mm) of snow is typically accumulated. In Napoleon, during the entire year, snow falls for 52.7 days and aggregates up to 15.24" (387mm) of snow.Daylight
In April, the average length of the day is 13h and 22min.On the first day of April, sunrise is at 7:18 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 8:33 pm EDT.
Sunshine
In April, the average sunshine is 7.1h.UV index
The average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In April, a daily UV index of 4 turns into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
What is the average humidity in April?
What is the rainiest month?
How much does it rain in April?
How much does it snow in April?
What is the average length of the day in April?
When are sunrise and sunset in April?
How long on average sun shines in April?
How high is the UV index in April?
Average temperature in April
Napoleon, OH
- Average high temperature in April: 57.7°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in April: 41°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in April
Napoleon, OH
- Average pressure in April: 29.96"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Napoleon, OH
- Average wind speed in April: 9.9mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in April
Napoleon, OH
- Average humidity in April: 76%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (74%).
Average rainfall in April
Napoleon, OH
- Average rainfall in April: 3.15"
The wettest month (with the highest rainfall) is April (3.15").
The driest month (with the least rainfall) is December (1.61").
Average rainfall days in April
Napoleon, OH
- Average rainfall days in April: 16.1 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is February (8.6 days).
Average snowfall in April
Napoleon, OH
- Average snowfall in April: 0.94"
The month with the highest snowfall is February (4.09").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in April
Napoleon, OH
- Average snowfall days in April: 1.6 days
The month with the highest number of snowfall days is January (14.7 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, OH
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in April: 7h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in April
Napoleon, OH
- Average sunshine days in April: 11.2 days
The month with the most sunshine days is November (15.2 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in April
Napoleon, OH
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Napoleon, OH
- Average cloud cover in April: 49
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in April
Napoleon, OH
- Average visibility in April: 6mi
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, Ohio, USA
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