Hannibal Metro Area, MO Climate

The climate in the Hannibal, MO Metro Area is a humid subtropical climate with hot summers and cold winters. The average high temperature in July is 87F (31C) and the average low temperature in January is 20F (-7C). Precipitation is spread throughout the year, with the highest amount of rain occurring during spring. Snowfall is also common during winter months, with an average of 15 inches (38 cm) each year. While occasional extreme temperatures can occur, overall temperatures in the area are moderate due to its location near a large body of water.

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

Hannibal Metro Area averages 14 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 196 sunny days per year in Hannibal Metro Area. The US average is 205 sunny days.

Hannibal Metro Area gets some kind of precipitation, on average, 101 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 19
Rain: averages 39 inches of rain a year
Snow: averages 14 inches of snow a year

Bestplaces Comfort Index

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

8 Summer - 5.4 Winter

September, May and June are the most pleasant months in the Hannibal metro area, while January and December are the least comfortable months.

Climate	Hannibal, Missouri	United States
	Unlock	38.1 in.
	13.5 in.	Unlock
	Unlock	106.2 days
	196 days	Unlock
	87.1°	85.8°
	Unlock	21.7°
	7.2	Unlock
	Unlock	4.3
	649 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 Hannibal metro area with an average high temperature of 87.1°, which ranks it as cooler than most places in Missouri. In the Hannibal metro area, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the Hannibal metro area are September, May and June.

In the Hannibal metro area, there are 26.9 days annually when the high temperature is over 90°, which is cooler than most places in Missouri.

January has the coldest nighttime temperatures for the Hannibal metro area with an average of 18.5°. This is colder than most places in Missouri.

In the Hannibal metro area, there are 110.2 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Missouri.

In the Hannibal metro area, there are 5.2 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 the Hannibal metro area 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 Hannibal metro area.

May is the wettest month in the Hannibal metro area with 4.8 inches of rain, and the driest month is January with 1.7 inches. The wettest season is Autumn with 31% of yearly precipitation and 15% occurs in Spring, which is the driest season. The annual rainfall of 39.4 inches in the Hannibal metro area means that it is drier than most places in Missouri.

May is the rainiest month in the Hannibal metro area with 11.3 days of rain, and February is the driest month with only 6.5 rainy days. There are 101.0 rainy days annually in the Hannibal metro area, which is rainier 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 21% chance of a rainy day.

An annual snowfall of 13.5 inches in the Hannibal metro area means that it is about average compared to other places in Missouri. December is the snowiest month in the Hannibal metro area with 4.0 inches of snow, and 5 months of the year have significant snowfall.

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