April weather forecast
Napoleon, MO

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Weather in April

April in Napoleon, Missouri, is an enjoyable spring month, with an average temperature fluctuating between 63.9°F (17.7°C) and 45.9°F (7.7°C).

Temperature

Napoleon's transition into April is marked by a temperature shift, moving from a fresh 53.6°F (12°C) in March to a comfortable 63.9°F (17.7°C). During the nights in April, Napoleon observes an average low-temperature of 45.9°F (7.7°C).

Humidity

In Napoleon, the average relative humidity in April is 74%.

Rainfall

In Napoleon, in April, it is raining for 15.2 days, with typically 2.68" (68mm) of accumulated precipitation. In Napoleon, during the entire year, the rain falls for 136.3 days and collects up to 27.28" (693mm) of precipitation.

Snowfall

In Napoleon, snow does not fall in April, June through September.

Daylight

In April, the average length of the day is 13h and 16min.
On the first day of the month, sunrise is at 6:59 am and sunset at 7:40 pm. On the last day of April, in Napoleon, sunrise is at 6:18 am and sunset at 8:08 pm CDT.

Sunshine

The average sunshine in April is 8.4h.

UV index

In April, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The daily high UV index of 4 during April translates into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Updated: Jun 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are April temperatures?

The high-temperature during April is 63.9°F (17.7°C) and the low-temperature is 45.9°F (7.7°C).

What is the average humidity in April?

In April, the average relative humidity is 74%.

How many days does it rain in April?

In Napoleon, in April, during 15.2 rainfall days, 2.68" (68mm) of precipitation is typically accumulated.

When it does not snow?

April, June through September are months without snowfall.

Does it snow in April?

In April, it doesn't snow. March is the latest month when it typically snows.

What is the average length of the day in April?

In Napoleon, the average day length in April is 13h and 16min.

What time are sunrise and sunset in April?

In April, on the first day of the month, sunrise is at 6:59 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 8:08 pm CDT.

How long on average sun shines in April?

In April, the average sunshine duration is 8.4h.

How high is the UV index in April in Napoleon?

In Napoleon, the average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Napoleon, MO

Average temperature in April - Napoleon, MO
  • Average high temperature in April: 63.9°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 April: 45.9°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 April
Napoleon, MO

Average pressure in April - Napoleon, MO
  • Average pressure in April: 29.92"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 April
Napoleon, MO

Average wind speed in April - Napoleon, MO
  • Average wind speed in April: 9.8mph

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 April
Napoleon, MO

Average humidity in April - Napoleon, MO
  • Average humidity in April: 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 April
Napoleon, MO

Average rainfall in April - Napoleon, MO
  • Average rainfall in April: 2.68"

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 April
Napoleon, MO

Average rainfall days in April - Napoleon, MO
  • Average rainfall days in April: 15.2 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 April
Napoleon, MO

Average snowfall in April - Napoleon, MO
  • Average snowfall in April: 0"

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 April
Napoleon, MO

Average snowfall days in April - Napoleon, MO
  • Average snowfall days in April: 0.3 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 April /
Average sunshine in April
Napoleon, MO

Average daylight in April / Average sunshine in April - Napoleon, MO
  • Average daylight in April: 13h and 2min

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 April: 8h and 2min

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 April
Napoleon, MO

Average sunshine days in April - Napoleon, MO
  • Average sunshine days in April: 13.7 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 April
Napoleon, MO

Average UV index in April - Napoleon, MO
  • Average UV index in April: 4

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 April
Napoleon, MO

Average cloud cover in April - Napoleon, MO
  • Average cloud cover in April: 41

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 April
Napoleon, MO

Average visibility in April - Napoleon, MO
  • Average visibility in April: 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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