Jefferson County, TX Climate

The climate in Jefferson, TX County is typical for the region of Southeast Texas, with mild winters and hot summers. The area has an average temperature of around 75 degrees Fahrenheit in the summer months, and temperatures rarely dip below freezing in winter. The county is located close to the Gulf of Mexico, which helps keep temperatures mild throughout the year. Precipitation levels are moderate to high throughout the year, with an average annual rainfall of around 45 inches. Humidity can be quite high during certain times of year due to moisture coming off from the Gulf. Despite having a warmer climate than many other parts of the country, snowfall does occur occasionally in Jefferson County, usually at higher elevations or when cold air moves through the area.

Jefferson County, Texas gets 59 inches of rain, on average, per year. The US average is 38 inches of rain per year.

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

On average, there are 212 sunny days per year in Jefferson County. The US average is 205 sunny days.

Jefferson County gets some kind of precipitation, on average, 108 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 92 degrees
Winter Low: the January low is 42
Rain: averages 59 inches of rain a year
Snow: averages 0 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Jefferson County is 6.7 (10=best), which means it is less comfortable than most places in Texas.

2.4 Summer - 7.9 Winter

April, October and March are the most pleasant months in Jefferson County, while July and August are the least comfortable months.

Climate	Jefferson, Texas	United States
	59.3 in.	38.1 in.
	0.0 in.	27.8 in.
	108.3 days	106.2 days
	212 days	205 days
	92.0°	85.8°
	41.6°	21.7°
	6.7	7
	5.9	4.3
	12 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 Jefferson County with an average high temperature of 92.7°, which ranks it as cooler than most places in Texas. In Jefferson County, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Jefferson County are April, October and November.

In Jefferson County, there are 81.6 days annually when the high temperature is over 90°, which is cooler than most places in Texas.

January has the coldest nighttime temperatures for Jefferson County with an average of 41.6°. This is warmer than most places in Texas.

In Jefferson County, there are 12.4 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Texas.

In Jefferson 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 Jefferson County can be miserable in the summer, but pleasant for much of the year. The humidity here has been described as oppressive or stifling in the summer. The humid season extends from May-October and the most comfortable months are November-April.

June is the wettest month in Jefferson County with 7.1 inches of rain, and the driest month is April with 3.1 inches. The wettest season is Autumn with 30% of yearly precipitation and 20% occurs in Summer, which is the driest season. The annual rainfall of 59.3 inches in Jefferson County means that it is one of the wettest places in Texas.

July is the rainiest month in Jefferson County with 11.3 days of rain, and April is the driest month with only 6.4 rainy days. There are 108.3 rainy days annually in Jefferson County, which is one of the rainiest places in Texas. The rainiest season is Autumn when it rains 30% of the time and the driest is Summer with only a 20% chance of a rainy day.

There is rarely any recorded snowfall in Jefferson County, ranking it as one of the least snowy places in Texas. Any measurable snowfall is a rare occurance in Jefferson County.

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