Merkheuli's average temperature over the last 30 years is around 13.6°C. Jul is typically the hottest month and Jan the coldest, with total annual rainfall averaging about 1679 mm.
| Year | Max Temp | Min Temp | Precipitation |
|---|---|---|---|
| 2025 | 37°C | -18°C | 1631 mm |
| 2024 | 35°C | -8°C | 2013 mm |
| 2023 | 35°C | -8°C | 2137 mm |
| 2022 | 36°C | -11°C | 1880 mm |
| 2021 | 35°C | -7°C | 1953 mm |
| 2020 | 35°C | -12°C | 1343 mm |
| 2019 | 34°C | -6°C | 1384 mm |
| 2018 | 35°C | -4°C | 1570 mm |
| 2017 | 38°C | -12°C | 1587 mm |
| 2016 | 32°C | -8°C | 1797 mm |
| 2015 | 34°C | -6°C | 1380 mm |
| 2014 | 35°C | -8°C | 1441 mm |
| 2013 | 31°C | -8°C | 1727 mm |
| 2012 | 34°C | -10°C | 1449 mm |
| 2011 | 34°C | -9°C | 1569 mm |
| 2010 | 35°C | -10°C | 1688 mm |
| 2009 | 33°C | -8°C | 1879 mm |
| 2008 | 33°C | -8°C | 1609 mm |
| 2007 | 33°C | -8°C | 1763 mm |
| 2006 | 34°C | -9°C | 1997 mm |
| 2005 | 33°C | -9°C | 1888 mm |
| 2004 | 31°C | -10°C | 1934 mm |
| 2003 | 31°C | -10°C | 1610 mm |
| 2002 | 33°C | -10°C | 1472 mm |
| 2001 | 33°C | -11°C | 1803 mm |
| 2000 | 38°C | -11°C | 1292 mm |
| 1999 | 33°C | -7°C | 1658 mm |
| 1998 | 31°C | -7°C | 1461 mm |
| 1997 | 32°C | -7°C | 1805 mm |
| 1996 | 33°C | -9°C | 1637 mm |
| Month | Avg High | Avg Low | Rainfall |
|---|---|---|---|
| Jan | 8°C | 0°C | 144 mm |
| Feb | 9°C | 1°C | 131 mm |
| Mar | 12°C | 3°C | 165 mm |
| Apr | 17°C | 7°C | 129 mm |
| May | 21°C | 12°C | 147 mm |
| Jun | 24°C | 17°C | 148 mm |
| Jul | 27°C | 20°C | 138 mm |
| Aug | 27°C | 20°C | 111 mm |
| Sep | 24°C | 16°C | 144 mm |
| Oct | 20°C | 11°C | 143 mm |
| Nov | 15°C | 6°C | 133 mm |
| Dec | 11°C | 2°C | 146 mm |