Zip 78665 (Round Rock, TX) Climate

The climate in 78665 Round Rock, TX is characterized by hot summers and cool winters. Average summer temperatures vary from the low 80s to mid-90s Fahrenheit and winter temperatures are usually in the mid-30s to upper 50s Fahrenheit. Rainfall is distributed fairly evenly throughout the year, with an average of 40 inches per year. This area experiences a dry season from November through April, with precipitation averaging less than two inches during this time. The remaining months bring higher levels of rainfall, creating a humid atmosphere during the summer months in particular.

Round Rock (zip 78665), Texas gets 36 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Round Rock (zip 78665) 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 Round Rock (zip 78665). The US average is 205 sunny days.

Round Rock (zip 78665) gets some kind of precipitation, on average, 78 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 38
Rain: averages 36 inches of rain a year
Snow: averages 0 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 78665 zip code is 7.2 (10=best), which means it is more comfortable than most places in Texas.

4 Summer - 7.9 Winter

October, April and November are the most pleasant months in the 78665 zip code, while July and August are the least comfortable months.

Climate	Round Rock, Texas	United States
	Unlock	38.1 in.
	0.2 in.	Unlock
	Unlock	106.2 days
	229 days	Unlock
	95.0°	85.8°
	Unlock	21.7°
	7.2	Unlock
	Unlock	4.3
	715 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.

August is the hottest month for the 78665 zip code with an average high temperature of 96.3°, which ranks it as warmer than most places in Texas. In the 78665 zip code, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 78665 zip code are April, October and March.

In the 78665 zip code, there are 104.7 days annually when the high temperature is over 90°, which is hotter than most places in Texas.

January has the coldest nighttime temperatures for the 78665 zip code with an average of 38.0°. This is about average compared to other places in Texas.

In the 78665 zip code, there are 22.8 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Texas.

In the 78665 zip code, 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 the 78665 zip code 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 the 78665 zip code with 4.6 inches of rain, and the driest month is January with 2.2 inches. The wettest season is Winter with 28% of yearly precipitation and 19% occurs in Spring, which is the driest season. The annual rainfall of 36.4 inches in the 78665 zip code means that it is about average compared to other places in Texas.

March is the rainiest month in the 78665 zip code with 8.3 days of rain, and August is the driest month with only 4.4 rainy days. There are 78.1 rainy days annually in the 78665 zip code, which is rainier than most places in Texas. The rainiest season is Summer when it rains 29% 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 the 78665 zip code means that it is about average compared to other places in Texas. February is the snowiest month in the 78665 zip code with 0.1 inches of snow, and no months of the year have significant snowfall.

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