Zestaponi's average temperature over the last 30 years is around 13.3°C. Aug is typically the hottest month and Jan the coldest, with total annual rainfall averaging about 1633 mm.
| Year | Max Temp | Min Temp | Precipitation |
|---|---|---|---|
| 2025 | 38°C | -9°C | 1118 mm |
| 2024 | 39°C | -5°C | 1628 mm |
| 2023 | 40°C | -5°C | 1765 mm |
| 2022 | 41°C | -7°C | 1470 mm |
| 2021 | 40°C | -8°C | 1477 mm |
| 2020 | 38°C | -6°C | 1433 mm |
| 2019 | 36°C | -3°C | 1490 mm |
| 2018 | 38°C | -4°C | 1430 mm |
| 2017 | 38°C | -10°C | 1551 mm |
| 2016 | 34°C | -14°C | 2070 mm |
| 2015 | 37°C | -5°C | 1594 mm |
| 2014 | 37°C | -13°C | 1635 mm |
| 2013 | 32°C | -14°C | 1614 mm |
| 2012 | 34°C | -14°C | 1541 mm |
| 2011 | 38°C | -12°C | 1862 mm |
| 2010 | 37°C | -9°C | 1555 mm |
| 2009 | 34°C | -11°C | 1583 mm |
| 2008 | 34°C | -15°C | 1596 mm |
| 2007 | 35°C | -13°C | 1874 mm |
| 2006 | 37°C | -15°C | 1836 mm |
| 2005 | 35°C | -10°C | 1874 mm |
| 2004 | 32°C | -15°C | 1751 mm |
| 2003 | 34°C | -14°C | 1585 mm |
| 2002 | 33°C | -16°C | 1943 mm |
| 2001 | 37°C | -18°C | 1660 mm |
| 2000 | 38°C | -16°C | 1290 mm |
| 1999 | 35°C | -12°C | 1828 mm |
| 1998 | 34°C | -14°C | 1492 mm |
| 1997 | 33°C | -11°C | 1807 mm |
| 1996 | 34°C | -14°C | 1614 mm |
| Month | Avg High | Avg Low | Rainfall |
|---|---|---|---|
| Jan | 7°C | -2°C | 125 mm |
| Feb | 8°C | -1°C | 120 mm |
| Mar | 11°C | 2°C | 142 mm |
| Apr | 17°C | 7°C | 137 mm |
| May | 22°C | 12°C | 161 mm |
| Jun | 25°C | 16°C | 159 mm |
| Jul | 28°C | 19°C | 131 mm |
| Aug | 29°C | 20°C | 109 mm |
| Sep | 25°C | 15°C | 140 mm |
| Oct | 20°C | 10°C | 161 mm |
| Nov | 14°C | 4°C | 123 mm |
| Dec | 9°C | 0°C | 125 mm |