Norio's average temperature over the last 30 years is around 10.7°C. Aug is typically the hottest month and Jan the coldest, with total annual rainfall averaging about 738 mm.
| Year | Max Temp | Min Temp | Precipitation |
|---|---|---|---|
| 2025 | 33°C | -10°C | 679 mm |
| 2024 | 32°C | -9°C | 884 mm |
| 2023 | 33°C | -7°C | 797 mm |
| 2022 | 35°C | -8°C | 587 mm |
| 2021 | 34°C | -11°C | 623 mm |
| 2020 | 35°C | -9°C | 659 mm |
| 2019 | 33°C | -5°C | 554 mm |
| 2018 | 36°C | -5°C | 745 mm |
| 2017 | 35°C | -11°C | 509 mm |
| 2016 | 33°C | -12°C | 844 mm |
| 2015 | 34°C | -7°C | 795 mm |
| 2014 | 35°C | -24°C | 789 mm |
| 2013 | 30°C | -7°C | 676 mm |
| 2012 | 31°C | -21°C | 891 mm |
| 2011 | 36°C | -13°C | 705 mm |
| 2010 | 34°C | -9°C | 929 mm |
| 2009 | 32°C | -17°C | 797 mm |
| 2008 | 32°C | -17°C | 720 mm |
| 2007 | 31°C | -10°C | 829 mm |
| 2006 | 34°C | -14°C | 726 mm |
| 2005 | 32°C | -12°C | 964 mm |
| 2004 | 31°C | -15°C | 649 mm |
| 2003 | 31°C | -17°C | 731 mm |
| 2002 | 31°C | -24°C | 903 mm |
| 2001 | 35°C | -19°C | 603 mm |
| 2000 | 36°C | -25°C | 588 mm |
| 1999 | 36°C | -15°C | 714 mm |
| 1998 | 35°C | -19°C | 549 mm |
| 1997 | 31°C | -19°C | 847 mm |
| 1996 | 32°C | -20°C | 812 mm |
| Month | Avg High | Avg Low | Rainfall |
|---|---|---|---|
| Jan | 4°C | -5°C | 24 mm |
| Feb | 5°C | -4°C | 30 mm |
| Mar | 9°C | -1°C | 65 mm |
| Apr | 15°C | 4°C | 98 mm |
| May | 19°C | 9°C | 124 mm |
| Jun | 24°C | 13°C | 94 mm |
| Jul | 27°C | 16°C | 58 mm |
| Aug | 28°C | 17°C | 52 mm |
| Sep | 22°C | 12°C | 63 mm |
| Oct | 16°C | 7°C | 67 mm |
| Nov | 10°C | 1°C | 37 mm |
| Dec | 6°C | -3°C | 26 mm |