Bolnisi's average temperature over the last 30 years is around 12.4°C. Jul is typically the hottest month and Jan the coldest, with total annual rainfall averaging about 601 mm.
| Year | Max Temp | Min Temp | Precipitation |
|---|---|---|---|
| 2025 | 38°C | -10°C | 440 mm |
| 2024 | 36°C | -6°C | 616 mm |
| 2023 | 38°C | -7°C | 641 mm |
| 2022 | 38°C | -6°C | 456 mm |
| 2021 | 37°C | -6°C | 420 mm |
| 2020 | 35°C | -7°C | 533 mm |
| 2019 | 37°C | -4°C | 397 mm |
| 2018 | 36°C | -4°C | 607 mm |
| 2017 | 37°C | -12°C | 407 mm |
| 2016 | 33°C | -16°C | 758 mm |
| 2015 | 36°C | -10°C | 714 mm |
| 2014 | 36°C | -20°C | 728 mm |
| 2013 | 32°C | -10°C | 546 mm |
| 2012 | 33°C | -19°C | 539 mm |
| 2011 | 37°C | -14°C | 705 mm |
| 2010 | 34°C | -11°C | 736 mm |
| 2009 | 33°C | -17°C | 550 mm |
| 2008 | 34°C | -24°C | 586 mm |
| 2007 | 33°C | -10°C | 673 mm |
| 2006 | 35°C | -16°C | 592 mm |
| 2005 | 33°C | -16°C | 711 mm |
| 2004 | 31°C | -13°C | 572 mm |
| 2003 | 32°C | -14°C | 626 mm |
| 2002 | 31°C | -19°C | 767 mm |
| 2001 | 35°C | -21°C | 540 mm |
| 2000 | 36°C | -20°C | 502 mm |
| 1999 | 35°C | -13°C | 701 mm |
| 1998 | 34°C | -19°C | 579 mm |
| 1997 | 32°C | -18°C | 565 mm |
| 1996 | 32°C | -20°C | 801 mm |
| Month | Avg High | Avg Low | Rainfall |
|---|---|---|---|
| Jan | 6°C | -4°C | 25 mm |
| Feb | 7°C | -3°C | 34 mm |
| Mar | 11°C | 1°C | 66 mm |
| Apr | 17°C | 6°C | 88 mm |
| May | 21°C | 11°C | 86 mm |
| Jun | 26°C | 15°C | 50 mm |
| Jul | 29°C | 19°C | 33 mm |
| Aug | 29°C | 19°C | 29 mm |
| Sep | 24°C | 15°C | 50 mm |
| Oct | 18°C | 9°C | 69 mm |
| Nov | 12°C | 3°C | 43 mm |
| Dec | 8°C | -2°C | 28 mm |