The climate of Harlingen

The current climate in Harlingen features temperatures ranging from a high of 36°C to a low of 22°C throughout the year. The average yearly temperature is around 30°C. At night, temperatures in the colder months average around 10°C and in the warmer months around 25°C.

Average temperatures and precipitation

This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for Harlingen, Texas.

Temperature records

The highest temperature recorded in Harlingen in recent years was 45°C in August 2019. The lowest daytime temperature recorded was 0°C in February 2021.

Rainfall amount

On average, Harlingen receives 982 mm of precipitation each year. For comparison, New York gets 1142 mm of precipitation annually.

The hurricane season in Harlingen runs from June to November.

Best time to visit Harlingen?

The best time to visit Harlingen for sunny weather is January through June, November and December. During this period, you'll have nice temperatures and not too much rain, making it a great time to visit Harlingen. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.

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Climate Table of Harlingen

The climate table of Harlingen shows the average temperatures, rainfall, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Temp. max (°C) 22 23 27 31 33 34 36 36 34 31 26 24
Temp. min (°C) 10 12 17 20 23 25 25 25 24 20 15 13
Precipitation
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Precipitation (mm) 59 22 49 52 94 88 111 44 225 146 67 25
UV Index 3 3 5 3 6 7 4 7 6 7 5 4

Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.

Temperature charts

These charts display the average temperatures in Harlingen, Texas. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Average Temperature per Month in Harlingen

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Yearly Temperature in Harlingen

Precipitation charts

These charts show the average amount of precipitation in Harlingen, Texas. Precipitation is always measured as water, even when it falls as snow or hail. The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Average Precipitation per Month in Harlingen

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Total Yearly Precipitation in Harlingen

UV index chart

This chart shows the average UV index per month in Harlingen, Texas. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.

Average UV Index per Month in Harlingen

Weather experiences in Harlingen

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Average weather in Harlingen by month

Click on a month below to see detailed weather info for Harlingen. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.