Climate - Harlingen (Texas)

The climate of Harlingen is sub-tropical, with a very mild winter and a very hot, muggy summer.
The city is located in the southern tip of Texas, near the Mexican border, and 50 km (30 mi) away from the coast.
Even though the winter is mild, sometimes there can be brief cold periods, with highs below 10 °C (50 °F). Very rarely, as happened on Christmas 2004 and in December 2017, it can even snow. However, even in the middle of winter, there can be hot days, with highs around 25 °C (77 °F) and more, sometimes even 30 °C (86 °F).
Summer is a little less hot than in cities of inland areas, on the other hand, the humidity from the sea makes the heat even more sultry.
In the 2010s, the lowest temperature has been -4 °C (25 °F), the highest 41.7 °C (107 °F), both recorded in 2011.
From June to November (but with a higher probability from August to October), there is the risk of hurricanes.
The average temperature of the coldest month (January) is of 15.6 °C (60 °F), that of the warmest month (August) is of 29.5 °C (85 °F). Here are the average temperatures.

Precipitation amounts to 640 millimeters (25.2 inches) per year. It ranges from 25 mm (1 in) in the driest month (January) to 135 mm (5.3 in) in the wettest (September). We are in the westernmost part, the driest of the Texan coast. Here is the average precipitation.

On average, there are around 2,750 sunshine hours per year. So the city is sunny. Here are the average sunshine hours per day.

The sea temperature ranges between 20 °C (68 °F) and 29 °C (84 °F). From January to March, the sea is a bit cold, while it becomes pleasantly warm for swimming from June to October. Here are the average sea temperatures.

Best Time

The best time to visit Harlingen is from November to March. Winter, from December to February, is generally a mild season, although it can sometimes get cold (especially in December and January). You can therefore choose the months of March and November.