Normally, you can expect the weather in Harlingen in the course of June is 25 with a high of 31 with low temperatures being around 21. We have put some more information below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 25 |
| High Temperature | 31 |
| Low Temperature | 21 |
| Sunshine Per Day | 12 |
Useful Links: Harlingen Weather: Average Weather & Yearly Climate