Zip 78503 (McAllen, TX) Climate

McAllen, TX (78503) has a subtropical climate according to the Köppen Climate Classification System. Typically, summers are long and hot with temperatures reaching up to 95 degrees Fahrenheit during the day and low temperatures dropping to around 70 degrees at night. Winters are mild with temperatures rarely falling below 40 degrees. The area receives an average of 33 inches of rain each year, most of which falls in the summer months between May and August.

McAllen (zip 78503), Texas gets 22 inches of rain, on average, per year. The US average is 38 inches of rain per year.

McAllen (zip 78503) averages 0 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 227 sunny days per year in McAllen (zip 78503). The US average is 205 sunny days.

McAllen (zip 78503) gets some kind of precipitation, on average, 58 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 97 degrees
Winter Low: the January low is 50
Rain: averages 22 inches of rain a year
Snow: averages 0 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 78503 zip code is 6.3 (10=best), which means it is one of the least comfortable places in Texas.

1.4 Summer - 9.1 Winter

November, March and February are the most pleasant months in the 78503 zip code, while August and July are the least comfortable months.

Climate	McAllen, Texas	United States
	21.8 in.	38.1 in.
	0.0 in.	27.8 in.
	58.0 days	106.2 days
	227 days	205 days
	96.6°	85.8°
	49.5°	21.7°
	6.3	7
	6.1	4.3
	99 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 the 78503 zip code with an average high temperature of 97.5°, which ranks it as warmer than most places in Texas. In the 78503 zip code, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 78503 zip code are November, March and February.

In the 78503 zip code, there are 152.7 days annually when the high temperature is over 90°, which is one of the hottest places in Texas.

January has the coldest nighttime temperatures for the 78503 zip code with an average of 49.5°. This is one of the warmest places in Texas.

In the 78503 zip code, there are 1.3 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Texas.

In the 78503 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 78503 zip code can be stifling in the summer but very pleasant in the winter months. The humidity here has been described as oppressive in July and August. The humid season extends from April-October and the most comfortable months are November-March.

September is the wettest month in the 78503 zip code with 4.0 inches of rain, and the driest month is March with 1.0 inches. The wettest season is Winter with 33% of yearly precipitation and 16% occurs in Spring, which is the driest season. The annual rainfall of 21.8 inches in the 78503 zip code means that it is drier than most places in Texas.

September is the rainiest month in the 78503 zip code with 6.5 days of rain, and March is the driest month with only 3.5 rainy days. There are 58.0 rainy days annually in the 78503 zip code, which is less rainy than most places in Texas. The rainiest season is Spring when it rains 29% of the time and the driest is Summer with only a 21% chance of a rainy day.

There is rarely any recorded snowfall in the 78503 zip code, ranking it as one of the least snowy places in Texas. Any measurable snowfall is a rare occurance in the 78503 zip code.

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