Walnut, MO Climate


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Walnut, MO has a humid continental climate with hot summers and cold winters. The average high in the summer is around 87°F (30.5°C) and the average low in winter is around 25°F (-3.8°C). Precipitation is fairly evenly distributed throughout the year, though May tends to be the wettest month. Snowfall varies but typically averages around 18 inches (46 cm) a year.

Walnut, Missouri gets 44 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Walnut averages 10 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 215 sunny days per year in Walnut. The US average is 205 sunny days.

Walnut gets some kind of precipitation, on average, 96 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 89 degrees
Winter Low: the January low is 20
Rain: averages 44 inches of rain a year
Snow: averages 10 inches of snow a year


Bestplaces Comfort Index

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

7.4 Summer - 5.8 Winter
September, May and October are the most pleasant months in Walnut, while January and December are the least comfortable months.

  ClimateWalnut, MissouriUnited States
  43.9 in.38.1 in.
  9.9 in.27.8 in.
  96.1 days106.2 days
  215 days205 days
  89.0°85.8°
  20.4°21.7°
  7.27
  4.34.3
  798 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 Walnut with an average high temperature of 89.0°, which ranks it as warmer than most places in Missouri. In Walnut, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Walnut are September, May and June.
In Walnut, there are 36.4 days annually when the high temperature is over 90°, which is hotter than most places in Missouri.
January has the coldest nighttime temperatures for Walnut with an average of 20.4°. This is about average compared to other places in Missouri.
In Walnut, there are 105.6 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Missouri.
In Walnut, there are 3.2 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 Walnut 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 Walnut.
June is the wettest month in Walnut with 6.0 inches of rain, and the driest month is January with 1.4 inches. The wettest season is Autumn with 32% of yearly precipitation and 13% occurs in Spring, which is the driest season. The annual rainfall of 43.9 inches in Walnut means that it is about average compared to other places in Missouri.
May is the rainiest month in Walnut with 11.3 days of rain, and February is the driest month with only 5.8 rainy days. There are 96.1 rainy days annually in Walnut, 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 9.9 inches in Walnut means that it is less snowy than most places in Missouri. January is the snowiest month in Walnut with 3.5 inches of snow, and 4 months of the year have significant snowfall.
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