Chumlaki's average temperature over the last 30 years is around 12.9°C. Jul is typically the hottest month and Jan the coldest, with total annual rainfall averaging about 914 mm.
| Year | Max Temp | Min Temp | Precipitation |
|---|---|---|---|
| 2025 | 33°C | -14°C | 1049 mm |
| 2024 | 34°C | -10°C | 942 mm |
| 2023 | 35°C | -8°C | 868 mm |
| 2022 | 37°C | -6°C | 669 mm |
| 2021 | 35°C | -5°C | 824 mm |
| 2020 | 35°C | -12°C | 790 mm |
| 2019 | 35°C | -4°C | 685 mm |
| 2018 | 37°C | -4°C | 1063 mm |
| 2017 | 38°C | -10°C | 505 mm |
| 2016 | 34°C | -20°C | 1048 mm |
| 2015 | 36°C | -15°C | 1041 mm |
| 2014 | 37°C | -22°C | 953 mm |
| 2013 | 32°C | -6°C | 777 mm |
| 2012 | 33°C | -16°C | 889 mm |
| 2011 | 39°C | -13°C | 1018 mm |
| 2010 | 37°C | -8°C | 937 mm |
| 2009 | 34°C | -16°C | 954 mm |
| 2008 | 33°C | -13°C | 868 mm |
| 2007 | 33°C | -8°C | 955 mm |
| 2006 | 37°C | -9°C | 1097 mm |
| 2005 | 35°C | -9°C | 1017 mm |
| 2004 | 33°C | -7°C | 890 mm |
| 2003 | 33°C | -9°C | 1062 mm |
| 2002 | 33°C | -19°C | 1074 mm |
| 2001 | 35°C | -15°C | 811 mm |
| 2000 | 37°C | -18°C | 733 mm |
| 1999 | 36°C | -8°C | 900 mm |
| 1998 | 36°C | -13°C | 776 mm |
| 1997 | 32°C | -14°C | 1213 mm |
| 1996 | 34°C | -10°C | 1024 mm |
| Month | Avg High | Avg Low | Rainfall |
|---|---|---|---|
| Jan | 6°C | -3°C | 34 mm |
| Feb | 7°C | -2°C | 39 mm |
| Mar | 12°C | 2°C | 85 mm |
| Apr | 17°C | 7°C | 119 mm |
| May | 21°C | 12°C | 135 mm |
| Jun | 26°C | 16°C | 97 mm |
| Jul | 29°C | 19°C | 90 mm |
| Aug | 29°C | 20°C | 65 mm |
| Sep | 24°C | 15°C | 94 mm |
| Oct | 18°C | 10°C | 82 mm |
| Nov | 12°C | 3°C | 42 mm |
| Dec | 8°C | -1°C | 32 mm |