Average temperatures Harlingen during the time of August is 26. Average highs are typically 32 with low daily temperautes being 24 degrees celsius. We have put some more detail below here:
| Month | Degrees Celsius |
|---|---|
| Temperature | 26 |
| High Temperature | 32 |
| Low Temperature | 24 |
| Sunshine Per Day | 12 |
Useful Links: Harlingen Weather: Average Weather & Yearly Climate