Zarzma's average temperature over the last 30 years is around 8.4°C. Aug is typically the hottest month and Jan the coldest, with total annual rainfall averaging about 1597 mm.
| Year | Max Temp | Min Temp | Precipitation |
|---|---|---|---|
| 2025 | 34°C | -20°C | 838 mm |
| 2024 | 30°C | -22°C | 1456 mm |
| 2023 | 33°C | -16°C | 1458 mm |
| 2022 | 32°C | -18°C | 1014 mm |
| 2021 | 32°C | -21°C | 1061 mm |
| 2020 | 31°C | -21°C | 976 mm |
| 2019 | 33°C | -15°C | 883 mm |
| 2018 | 30°C | -14°C | 1014 mm |
| 2017 | 31°C | -17°C | 976 mm |
| 2016 | 30°C | -19°C | 2142 mm |
| 2015 | 31°C | -18°C | 1884 mm |
| 2014 | 31°C | -17°C | 2031 mm |
| 2013 | 27°C | -16°C | 1702 mm |
| 2012 | 31°C | -19°C | 1684 mm |
| 2011 | 32°C | -17°C | 1839 mm |
| 2010 | 31°C | -14°C | 1896 mm |
| 2009 | 29°C | -16°C | 1775 mm |
| 2008 | 29°C | -18°C | 1563 mm |
| 2007 | 29°C | -15°C | 1891 mm |
| 2006 | 32°C | -16°C | 1912 mm |
| 2005 | 29°C | -17°C | 2044 mm |
| 2004 | 29°C | -16°C | 1815 mm |
| 2003 | 28°C | -14°C | 1699 mm |
| 2002 | 29°C | -18°C | 1939 mm |
| 2001 | 31°C | -16°C | 1740 mm |
| 2000 | 34°C | -16°C | 1459 mm |
| 1999 | 29°C | -13°C | 2009 mm |
| 1998 | 30°C | -16°C | 1612 mm |
| 1997 | 29°C | -15°C | 1727 mm |
| 1996 | 29°C | -15°C | 1859 mm |
| Month | Avg High | Avg Low | Rainfall |
|---|---|---|---|
| Jan | 1°C | -7°C | 87 mm |
| Feb | 3°C | -6°C | 92 mm |
| Mar | 6°C | -3°C | 114 mm |
| Apr | 11°C | 1°C | 123 mm |
| May | 17°C | 6°C | 195 mm |
| Jun | 21°C | 11°C | 187 mm |
| Jul | 23°C | 15°C | 161 mm |
| Aug | 24°C | 15°C | 161 mm |
| Sep | 20°C | 11°C | 146 mm |
| Oct | 15°C | 5°C | 139 mm |
| Nov | 9°C | -1°C | 98 mm |
| Dec | 4°C | -5°C | 94 mm |