Callao, MO Climate


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United States / Missouri / No Metro Area / Macon County / Callao / Zip Codes
Callao, Missouri has a humid subtropical climate. Summers in the town are generally hot and humid, with temperatures averaging around 80°F (27°C). Winters are cool and mild, with temperatures usually ranging from 30–40°F (-1 to 4°C). Rainfall is abundant throughout the year, with occasional thunderstorms occurring during the summer months. Snowfall is infrequent, but not unheard of in Callao. Spring and autumn are generally comfortable times of year with moderate temperatures and plenty of sunshine. Overall, Callao has pleasant weather most of the year round, making it an ideal place to live or visit.

Callao, Missouri gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Callao averages 15 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 192 sunny days per year in Callao. The US average is 205 sunny days.

Callao gets some kind of precipitation, on average, 104 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 17
Rain: averages 42 inches of rain a year
Snow: averages 15 inches of snow a year


Bestplaces Comfort Index

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

8.1 Summer - 5.4 Winter
September, June and May are the most pleasant months in Callao, while January and December are the least comfortable months.

  ClimateCallao, MissouriUnited States
  42.2 in.38.1 in.
  14.8 in.27.8 in.
  104.0 days106.2 days
  192 days205 days
  87.2°85.8°
  17.3°21.7°
  7.27
  4.24.3
  837 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 Callao with an average high temperature of 87.2°, which ranks it as cooler than most places in Missouri. In Callao, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Callao are September, May and June.
In Callao, there are 26.7 days annually when the high temperature is over 90°, which is cooler than most places in Missouri.
January has the coldest nighttime temperatures for Callao with an average of 17.3°. This is colder than most places in Missouri.
In Callao, there are 117.9 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Missouri.
In Callao, there are 6.1 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 Callao 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 Callao.
May is the wettest month in Callao with 5.4 inches of rain, and the driest month is January with 1.4 inches. The wettest season is Autumn with 33% of yearly precipitation and 12% occurs in Spring, which is the driest season. The annual rainfall of 42.2 inches in Callao means that it is drier than most places in Missouri.
May is the rainiest month in Callao with 12.0 days of rain, and January is the driest month with only 6.3 rainy days. There are 104.0 rainy days annually in Callao, 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 19% chance of a rainy day.
An annual snowfall of 14.8 inches in Callao means that it is snowier than most places in Missouri. January is the snowiest month in Callao with 4.6 inches of snow, and 5 months of the year have significant snowfall.
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