United StatesThe 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 | |
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| 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 |
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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
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
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.