Williamson County, TX Climate


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United States / Texas / / Williamson County / Cities / Zip Codes
Williamson County, TX has a temperate climate. The summers are generally hot and humid, with average highs in the low to mid-90s and lows in the upper 60s. Winters are mild with average temperatures in the mid-50s during the day and low 30s at night. Rainfall is plentiful throughout the year, with snowfall occurring occasionally in winter months. Spring and autumn months bring moderate temperatures and pleasant weather overall.

Williamson County, Texas gets 35 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Williamson County averages 0 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 229 sunny days per year in Williamson County. The US average is 205 sunny days.

Williamson County gets some kind of precipitation, on average, 76 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 95 degrees
Winter Low: the January low is 37
Rain: averages 35 inches of rain a year
Snow: averages 0 inches of snow a year


Bestplaces Comfort Index

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

4.2 Summer - 7.8 Winter
October, April and November are the most pleasant months in Williamson County, while July and August are the least comfortable months.

  ClimateWilliamson, TexasUnited States
  35.4 in.38.1 in.
  0.2 in.27.8 in.
  76.2 days106.2 days
  229 days205 days
  94.8°85.8°
  37.0°21.7°
  7.27
  6.14.3
  752 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.

August is the hottest month for Williamson County with an average high temperature of 96.1°, which ranks it as warmer than most places in Texas. In Williamson County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Williamson County are April, October and March.
In Williamson County, there are 102.2 days annually when the high temperature is over 90°, which is hotter than most places in Texas.
January has the coldest nighttime temperatures for Williamson County with an average of 37.0°. This is about average compared to other places in Texas.
In Williamson County, there are 26.4 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Texas.
In Williamson County, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Texas.
Humidity in Williamson County can be uncomfortable during the summer, but comfortable for most of the year. The most uncomfortably humid months are July, June and August. The humid season runs from May-September and the most comfortable months are October-April.
June is the wettest month in Williamson County with 4.4 inches of rain, and the driest month is July with 2.1 inches. The wettest season is Winter with 28% of yearly precipitation and 20% occurs in Spring, which is the driest season. The annual rainfall of 35.4 inches in Williamson County means that it is about average compared to other places in Texas.
March is the rainiest month in Williamson County with 8.0 days of rain, and August is the driest month with only 4.4 rainy days. There are 76.2 rainy days annually in Williamson County, which is about average compared to other places in Texas. The rainiest season is Summer when it rains 28% of the time and the driest is Autumn with only a 21% chance of a rainy day.
An annual snowfall of 0.2 inches in Williamson County means that it is about average compared to other places in Texas. February is the snowiest month in Williamson County with 0.1 inches of snow, and no months of the year have significant snowfall.
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