Jefferson City Weather, When to Go and Climate Information

(Jefferson City, Missouri - MO, USA)

Visitors to Jefferson City can expect a climate with noticeable seasonal contrasts when it comes to temperature, sunshine hours and humidity levels. Summers can be extremely hot, while the winter weather is surprisingly mild and even warm at times, particularly when there is no wind to add a chill factor.

December, January and February are the coolest months, although daytime temperatures often climb above 10°C / 50°F or more, exceeding 15°C / 59°F on occasion. By night, the climate cools down quickly, although most nights are completely frost-free and usually remain comfortably above freezing.

There can be occasional snowy weather at anytime during the winter months in Jefferson City, with light snow flurries averaging between 1 inch / 2.6 cm and 0.2 inches / 0.5 cm from November to April. However, snow rarely settles and lasts for long when it does come along.

Seasonal Climate Variations / When to Go

The springtime climate in Jefferson City quickly begins to heat up and daytime temperatures soon approach 20°C / 68°F in March, climbing even higher in April. From May right up until September, temperatures regularly top 30°C / 86°F and during extreme weather, it is not unheard of to see highs in the region of 40°C / 104°F.

It therefore makes a lot of sense to bring light clothes for a summer visit, when the days can be very hot and sunny, and the evenings balmy and pleasant, staying between 15°C / 59° and 20°C / 68°C.

Precipitation levels are fairly even throughout the year, with heavy thunderstorms occurring periodically during the summer. August is usually the wettest month, averaging 6 inches / 15.2 cm of rain, while May is the driest month, with average precipitation levels of just below 4 inches / 10.2 cm.

Jefferson City Weather and Climate Chart (Averages)

	Maximum	Minimum
January	13°C / 55°F	0°C / 32°F
February	15°C / 59°F	1°C / 34°F
March	20°C / 68°F	6°C / 43°F
April	25°C / 77°F	10°C / 50°F
May	29°C / 84°F	15°C / 59°F
June	32°C / 90°F	19°C / 66°F
July	33°C / 91°F	21°C / 70°F
August	32°C / 90°F	20°C / 68°F
September	29°C / 84°F	17°C / 63°F
October	25°C / 77°F	10°C / 50°F
November	20°C / 68°F	5°C / 41°F
December	15°C / 59°F	2°C / 36°F