Borjomi's average temperature over the last 30 years is around 10.1°C. Aug is typically the hottest month and Jan the coldest, with total annual rainfall averaging about 1229 mm.
| Year | Max Temp | Min Temp | Precipitation |
|---|---|---|---|
| 2025 | 34°C | -18°C | 825 mm |
| 2024 | 33°C | -16°C | 1189 mm |
| 2023 | 34°C | -13°C | 1189 mm |
| 2022 | 36°C | -18°C | 905 mm |
| 2021 | 35°C | -18°C | 1098 mm |
| 2020 | 34°C | -19°C | 945 mm |
| 2019 | 32°C | -13°C | 1043 mm |
| 2018 | 33°C | -11°C | 1023 mm |
| 2017 | 34°C | -20°C | 1033 mm |
| 2016 | 31°C | -19°C | 1595 mm |
| 2015 | 34°C | -16°C | 1213 mm |
| 2014 | 34°C | -16°C | 1269 mm |
| 2013 | 31°C | -15°C | 1281 mm |
| 2012 | 31°C | -15°C | 1195 mm |
| 2011 | 35°C | -12°C | 1463 mm |
| 2010 | 33°C | -13°C | 1245 mm |
| 2009 | 31°C | -14°C | 1200 mm |
| 2008 | 31°C | -17°C | 1203 mm |
| 2007 | 32°C | -14°C | 1496 mm |
| 2006 | 35°C | -16°C | 1467 mm |
| 2005 | 32°C | -14°C | 1426 mm |
| 2004 | 29°C | -17°C | 1322 mm |
| 2003 | 31°C | -15°C | 1225 mm |
| 2002 | 30°C | -19°C | 1510 mm |
| 2001 | 34°C | -18°C | 1254 mm |
| 2000 | 36°C | -19°C | 1000 mm |
| 1999 | 33°C | -15°C | 1463 mm |
| 1998 | 32°C | -18°C | 1161 mm |
| 1997 | 31°C | -14°C | 1393 mm |
| 1996 | 31°C | -15°C | 1222 mm |
| Month | Avg High | Avg Low | Rainfall |
|---|---|---|---|
| Jan | 4°C | -6°C | 90 mm |
| Feb | 5°C | -5°C | 91 mm |
| Mar | 8°C | -1°C | 117 mm |
| Apr | 14°C | 3°C | 118 mm |
| May | 19°C | 8°C | 131 mm |
| Jun | 23°C | 13°C | 119 mm |
| Jul | 26°C | 16°C | 93 mm |
| Aug | 27°C | 16°C | 72 mm |
| Sep | 22°C | 12°C | 89 mm |
| Oct | 17°C | 7°C | 114 mm |
| Nov | 11°C | 1°C | 95 mm |
| Dec | 5°C | -4°C | 100 mm |