Average temperatures Harlingen right through July is 26. Through the month the highs are about 32 with low of 24 degrees. We have put some more details below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 26 |
| High Temperature | 32 |
| Low Temperature | 24 |
| Sunshine Per Day | 12 |
Useful Links: Harlingen Weather: Average Weather & Yearly Climate