Fairfax, IA Climate


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Fairfax, IA is located in the Midwest region of the United States and has a humid continental climate. It experiences warm to hot summers with temperatures reaching up to 90°F (32°C). In the winter, temperatures can drop as low as -19°F (-28°C), but typically average around 30-45°F (-1 to 7°C). The city receives an average of 36 inches of precipitation annually, with snowfall amounts ranging from 10-20 inches annually. During the summer months, thunderstorms are common while snow can occur any time from October to early April.

Fairfax, Iowa gets 35 inches of rain, on average, per year. The US average is 38 inches of rain per year.

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

On average, there are 191 sunny days per year in Fairfax. The US average is 205 sunny days.

Fairfax gets some kind of precipitation, on average, 98 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 84 degrees
Winter Low: the January low is 12
Rain: averages 35 inches of rain a year
Snow: averages 28 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Fairfax is 7.0 (10=best), which means it is more comfortable than most places in Iowa.

8.8 Summer - 4.6 Winter
June, September and August are the most pleasant months in Fairfax, while January and December are the least comfortable months.

  ClimateFairfax, IowaUnited States
  35.2 in.38.1 in.
  28.1 in.27.8 in.
  97.9 days106.2 days
  191 days205 days
  84.2°85.8°
  11.8°21.7°
  77
  3.64.3
  774 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 Fairfax with an average high temperature of 84.2°, which ranks it as about average compared to other places in Iowa. In Fairfax, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Fairfax are September, June and August.
In Fairfax, there are 12.7 days annually when the high temperature is over 90°, which is about average compared to other places in Iowa.
January has the coldest nighttime temperatures for Fairfax with an average of 11.8°. This is warmer than most places in Iowa.
In Fairfax, there are 138.2 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Iowa.
In Fairfax, there are 14.8 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Iowa.
The humidity is usually comfortable in Fairfax but some summer months can be sticky or muggy. July is the most humid month, though humidity is low for most of the year. The most humid months are July, August and June.
June is the wettest month in Fairfax with 4.9 inches of rain, and the driest month is January with 0.9 inches. The wettest season is Autumn with 40% of yearly precipitation and 10% occurs in Spring, which is the driest season. The annual rainfall of 35.2 inches in Fairfax means that it is drier than most places in Iowa.
June is the rainiest month in Fairfax with 11.2 days of rain, and February is the driest month with only 5.5 rainy days. There are 97.9 rainy days annually in Fairfax, which is about average compared to other places in Iowa. The rainiest season is Autumn 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 28.1 inches in Fairfax means that it is less snowy than most places in Iowa. December is the snowiest month in Fairfax with 8.0 inches of snow, and 6 months of the year have significant snowfall.
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