Tvishi's average temperature over the last 30 years is around 12.2°C. Aug is typically the hottest month and Jan the coldest, with total annual rainfall averaging about 1818 mm.
| Year | Max Temp | Min Temp | Precipitation |
|---|---|---|---|
| 2025 | 34°C | -15°C | 1752 mm |
| 2024 | 35°C | -19°C | 2236 mm |
| 2023 | 36°C | -11°C | 2322 mm |
| 2022 | 37°C | -10°C | 1957 mm |
| 2021 | 36°C | -10°C | 1922 mm |
| 2020 | 34°C | -17°C | 1652 mm |
| 2019 | 34°C | -10°C | 1517 mm |
| 2018 | 35°C | -10°C | 1625 mm |
| 2017 | 36°C | -16°C | 1794 mm |
| 2016 | 33°C | -14°C | 2076 mm |
| 2015 | 36°C | -14°C | 1455 mm |
| 2014 | 36°C | -15°C | 1698 mm |
| 2013 | 31°C | -14°C | 2053 mm |
| 2012 | 33°C | -10°C | 1629 mm |
| 2011 | 37°C | -12°C | 1927 mm |
| 2010 | 36°C | -13°C | 1735 mm |
| 2009 | 33°C | -11°C | 1773 mm |
| 2008 | 33°C | -12°C | 1849 mm |
| 2007 | 34°C | -11°C | 1955 mm |
| 2006 | 36°C | -17°C | 2109 mm |
| 2005 | 34°C | -11°C | 1944 mm |
| 2004 | 31°C | -13°C | 1910 mm |
| 2003 | 33°C | -10°C | 1650 mm |
| 2002 | 32°C | -15°C | 1745 mm |
| 2001 | 36°C | -17°C | 1785 mm |
| 2000 | 37°C | -14°C | 1480 mm |
| 1999 | 33°C | -11°C | 1898 mm |
| 1998 | 34°C | -13°C | 1578 mm |
| 1997 | 32°C | -11°C | 1883 mm |
| 1996 | 33°C | -13°C | 1620 mm |
| Month | Avg High | Avg Low | Rainfall |
|---|---|---|---|
| Jan | 6°C | -3°C | 155 mm |
| Feb | 7°C | -2°C | 144 mm |
| Mar | 10°C | 1°C | 179 mm |
| Apr | 16°C | 5°C | 140 mm |
| May | 21°C | 11°C | 146 mm |
| Jun | 24°C | 15°C | 163 mm |
| Jul | 27°C | 18°C | 145 mm |
| Aug | 28°C | 19°C | 103 mm |
| Sep | 24°C | 14°C | 149 mm |
| Oct | 19°C | 9°C | 170 mm |
| Nov | 13°C | 3°C | 156 mm |
| Dec | 8°C | -1°C | 168 mm |