Harlingen Climate: Weather by Month and Best Time to Visit
Best months for Harlingen: January, February, December, March.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 22°C | 12°C | 30 mm | 5 | – | – | 8.4 |
| February | 25°C | 14°C | 27 mm | 5 | – | – | 8.4 |
| March | 27°C | 17°C | 39 mm | 6 | – | – | 8.3 |
| April | 30°C | 20°C | 44 mm | 5 | – | – | 8.1 |
| May | 32°C | 23°C | 48 mm | 7 | – | – | 7.3 |
| June | 34°C | 25°C | 57 mm | 9 | – | – | 6.4 |
| July | 35°C | 25°C | 61 mm | 8 | – | – | 6.2 |
| August | 35°C | 25°C | 52 mm | 9 | – | – | 6.0 |
| September | 33°C | 24°C | 104 mm | 14 | – | – | 6.0 |
| October | 30°C | 20°C | 69 mm | 8 | – | – | 7.7 |
| November | 26°C | 16°C | 39 mm | 6 | – | – | 8.2 |
| December | 23°C | 13°C | 34 mm | 5 | – | – | 8.4 |