Napoleon, MO Climate


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Napoleon, MO has a humid subtropical climate with hot summers and cool winters. The average temperature in the summer months is around 81°F while the coldest month of the year is January when temperatures average around 34°F. Rainfall is fairly evenly distributed throughout the year, with an average of around 45 inches per year. During winter months the area receives light snowfall and occasional ice storms.

Napoleon, Missouri gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Napoleon averages 13 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 219 sunny days per year in Napoleon. The US average is 205 sunny days.

Napoleon gets some kind of precipitation, on average, 95 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.


Weather Highlights

Summer High: the July high is around 88 degrees
Winter Low: the January low is 18
Rain: averages 42 inches of rain a year
Snow: averages 13 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Napoleon is 7.2 (10=best), which means it is more comfortable than most places in Missouri.

7.8 Summer - 5.6 Winter
September, May and June are the most pleasant months in Napoleon, while January and December are the least comfortable months.

  ClimateNapoleon, MissouriUnited States
  42.2 in.38.1 in.
  13.4 in.27.8 in.
  95.4 days106.2 days
  219 days205 days
  88.0°85.8°
  18.3°21.7°
  7.27
  4.54.3
  748 ft.2443 ft.
Climate
YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

July is the hottest month for Napoleon with an average high temperature of 88.0°, which ranks it as about average compared to other places in Missouri. In Napoleon, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Napoleon are September, May and June.
In Napoleon, there are 30.3 days annually when the high temperature is over 90°, which is about average compared to other places in Missouri.
January has the coldest nighttime temperatures for Napoleon with an average of 18.3°. This is colder than most places in Missouri.
In Napoleon, there are 116.1 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Missouri.
In Napoleon, there are 3.8 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Missouri.
The humidity can be uncomfortably heavy or close in Napoleon during the summer months. July is the most humid month, though humidity is low for most of the year. July, August and June are the three most humid months in Napoleon.
June is the wettest month in Napoleon with 5.6 inches of rain, and the driest month is January with 1.4 inches. The wettest season is Autumn with 34% of yearly precipitation and 12% occurs in Spring, which is the driest season. The annual rainfall of 42.2 inches in Napoleon means that it is drier than most places in Missouri.
May is the rainiest month in Napoleon with 10.9 days of rain, and February is the driest month with only 5.7 rainy days. There are 95.4 rainy days annually in Napoleon, which is less rainy than most places in Missouri. The rainiest season is Summer when it rains 30% of the time and the driest is Spring with only a 19% chance of a rainy day.
An annual snowfall of 13.4 inches in Napoleon means that it is about average compared to other places in Missouri. January is the snowiest month in Napoleon with 4.1 inches of snow, and 4 months of the year have significant snowfall.
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