Zip 65109 (Jefferson City, MO) Climate

Jefferson City, MO has a humid subtropical climate with four distinct seasons. Summers are generally hot and humid with frequent thunderstorms, while winters are cold but mild compared to other parts of the country. Spring and autumns bring moderate temperatures and plenty of sunshine. Rainfall averages just under 40 inches per year, allowing for plenty of outdoor activities throughout the year.

Jefferson City (zip 65109), Missouri gets 44 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Jefferson City (zip 65109) averages 14 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 195 sunny days per year in Jefferson City (zip 65109). The US average is 205 sunny days.

Jefferson City (zip 65109) gets some kind of precipitation, on average, 106 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 21
Rain: averages 44 inches of rain a year
Snow: averages 14 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 65109 zip code is 7.2 (10=best), which means it is more comfortable than most places in Missouri.

7.6 Summer - 5.7 Winter

September, May and June are the most pleasant months in the 65109 zip code, while January and December are the least comfortable months.

Climate	Jefferson City, Missouri	United States
	Unlock	38.1 in.
	13.5 in.	Unlock
	Unlock	106.2 days
	195 days	Unlock
	88.2°	85.8°
	Unlock	21.7°
	7.2	Unlock
	Unlock	4.3
	764 ft.	Unlock

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 the 65109 zip code with an average high temperature of 88.2°, which ranks it as about average compared to other places in Missouri. In the 65109 zip code, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 65109 zip code are September, May and June.

In the 65109 zip code, there are 32.4 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 the 65109 zip code with an average of 21.0°. This is about average compared to other places in Missouri.

In the 65109 zip code, there are 103.4 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Missouri.

In the 65109 zip code, there are 2.8 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Missouri.

The humidity can be uncomfortably heavy or close in the 65109 zip code 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 the 65109 zip code.

May is the wettest month in the 65109 zip code with 5.2 inches of rain, and the driest month is January with 2.0 inches. The wettest season is Autumn with 30% of yearly precipitation and 16% occurs in Spring, which is the driest season. The annual rainfall of 43.6 inches in the 65109 zip code means that it is about average compared to other places in Missouri.

May is the rainiest month in the 65109 zip code with 12.0 days of rain, and January is the driest month with only 6.8 rainy days. There are 105.8 rainy days annually in the 65109 zip code, which is one of the rainiest places in Missouri. The rainiest season is Summer when it rains 31% of the time and the driest is Spring with only a 20% chance of a rainy day.

An annual snowfall of 13.5 inches in the 65109 zip code means that it is about average compared to other places in Missouri. January is the snowiest month in the 65109 zip code with 4.4 inches of snow, and 5 months of the year have significant snowfall.