Princeton, MO 

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Climate in Princeton, MO

Princeton, MO has a moderate climate with warm, humid summers and cold winters. The average temperature in the summer months is around 75°F, while the average winter temperature is around 40°F. During the spring and fall months, temperatures range from 50°F to 65°F. Precipitation levels are fairly even throughout the year, but snowfall can be quite intense at times due to its location near the Ozark Mountains. Overall, Princeton has a pleasant climate that is comfortable for most of the year.

Princeton, Missouri gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Princeton averages 16 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 206 sunny days per year in Princeton. The US average is 205 sunny days.

Princeton gets some kind of precipitation, on average, 100 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 87 degrees
Winter Low: the January low is 16
Rain: averages 39 inches of rain a year
Snow: averages 16 inches of snow a year


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

8.3 / 5.4

Summer   /   Winter
September, June and May are the most pleasant months in Princeton, while January and December are the least comfortable months.

Climate Averages
  Princeton, MissouriUnited States
  38.6 in.38.1 in.
  15.9 in.27.8 in.
  99.7 days106.2 days
  206 days205 days
  961 ft.2443 ft.


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 Princeton with an average high temperature of 87.0°, which ranks it as cooler than most places in Missouri. In Princeton, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Princeton are September, June and May.

In Princeton, there are 25.6 days annually when the high temperature is over 90°, which is cooler than most places in Missouri.

January has the coldest nighttime temperatures for Princeton with an average of 15.7°. This is one of the coldest places in Missouri.

In Princeton, there are 124.1 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Missouri.

In Princeton, there are 8.6 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Missouri.

The humidity is usually comfortable in Princeton but some summer months can be unpleasant. July is the most humid month, though humidity is low for most of the year. The most humid months in Princeton are July, August and June.

May is the wettest month in Princeton with 5.4 inches of rain, and the driest month is January with 0.9 inches. The wettest season is Autumn with 36% of yearly precipitation and 10% occurs in Spring, which is the driest season. The annual rainfall of 38.6 inches in Princeton means that it is one of the driest places in Missouri.

May is the rainiest month in Princeton with 12.1 days of rain, and January is the driest month with only 5.0 rainy days. There are 99.7 rainy days annually in Princeton, which is about average compared to other places in Missouri. The rainiest season is Summer when it rains 30% of the time and the driest is Spring with only a 18% chance of a rainy day.

An annual snowfall of 15.9 inches in Princeton means that it is snowier than most places in Missouri. December is the snowiest month in Princeton with 4.3 inches of snow, and 5 months of the year have significant snowfall.

  • Annual Rainfall (US Avg: 36.5")
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