Glenvar Heights, Florida has a Tropical Monsoon climate (Köppen classification: Am). Average annual temperatures range from 69.5 °F (low) to 83.9 °F (high). Annual precipitation averages 65.4 Inches. Glenvar Heights is located in USDA Plant Hardiness Zone 11a.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 59.9 °F | 76.2 °F | 2.11 in. |
| February | 61.6 °F | 78.1 °F | 2.18 in. |
| March | 64.1 °F | 80.2 °F | 2.56 in. |
| April | 68.2 °F | 83.5 °F | 3.25 in. |
| May | 72.2 °F | 86.3 °F | 6.1 in. |
| June | 75.2 °F | 88.7 °F | 9.82 in. |
| July | 76.6 °F | 90.1 °F | 7.49 in. |
| August | 76.7 °F | 90.3 °F | 8.92 in. |
| September | 75.8 °F | 88.8 °F | 9.48 in. |
| October | 72.9 °F | 85.8 °F | 7.93 in. |
| November | 67.2 °F | 81.1 °F | 3.04 in. |
| December | 63.1 °F | 78.1 °F | 2.53 in. |
| Annual | 69.5 °F | 83.9 °F | 65.41 in. |
| Average First Frost Date | No Frost |
| Average Last Frost Date | |
| Average Days With Frost | Frost Free |
| Plant Hardiness Zone | Zone 11a : 40°F to 35°F |
| Plant Hardiness Zone - 2012 | Zone 10b : 35°F to 30°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Am - Tropical Monsoon |