Harlingen (TX) Weather and Climate: A Comprehensive Guide
The temperature in Harlingen can vary greatly throughout the year.
The temperatures shift from very hot
to pleasant.
It receives a moderate amount of precipitation.
Now, let’s explore all the climate details to give you a full picture.
Average maximum day and minimum night temperature
Depending on the time of the year, temperatures range from very hot to pleasant in Harlingen. On average, daytime temperatures range from a very hot 36°C in August to a pleasant 21°C in January.
Nighttime temperatures can drop, with average lows reaching 9°C in January. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Generally, Harlingen has a moderate amount of precipitation, averaging 703 mm of rainfall annually. The seasons in Harlingen, bring significant changes in precipitation. The wettest month, September, receives high rainfall, with an average of 140 mm of precipitation. This rainfall is distributed across 13 rainy days. In contrast, the driest month, February, experiences much less rainfall, totaling 25 mm over 5 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Harlingen Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
In Harlingen, summer days are longer and more sunny, with daily sunshine hours peaking at 10.9 hours in July. As the darker season arrives, the brightness of the sun becomes less. January sees a soft sun for only 4.4 hours per average day. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average humidity
The relative humidity is high throughout the year in Harlingen.
The city experiences its highest humidity in January, reaching 78%. In July, the humidity drops to its lowest level at 73%. Explore our detailed page on humidity levels for further details.
Relative humidity over the year
almost clear and no rain almost clear and no rain clear and no rainForecast for Harlingen (TX)
6 m/s
7 m/s
3 m/s
The best time of year to visit Harlingen in the United States of America
During the months of January, February and December you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
August has an average maximum temperature of 36°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 21°C.
September tops the wettest month list with 140 mm of rainfall.
February is the driest month with 25 mm of precipitation.
July is the sunniest month with an average of 326 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
