Senaki's average temperature over the last 30 years is around 15°C. Aug is typically the hottest month and Jan the coldest, with total annual rainfall averaging about 1630 mm.
| Year | Max Temp | Min Temp | Precipitation |
|---|---|---|---|
| 2025 | 37°C | -9°C | 1827 mm |
| 2024 | 40°C | -2°C | 2038 mm |
| 2023 | 37°C | 0°C | 2019 mm |
| 2022 | 42°C | -4°C | 2208 mm |
| 2021 | 38°C | -2°C | 2035 mm |
| 2020 | 40°C | -6°C | 1662 mm |
| 2019 | 37°C | -1°C | 1461 mm |
| 2018 | 38°C | 0°C | 1820 mm |
| 2017 | 39°C | -7°C | 1728 mm |
| 2016 | 35°C | -10°C | 1760 mm |
| 2015 | 41°C | -6°C | 1313 mm |
| 2014 | 38°C | -5°C | 1496 mm |
| 2013 | 34°C | -11°C | 1728 mm |
| 2012 | 39°C | -10°C | 1435 mm |
| 2011 | 38°C | -7°C | 1578 mm |
| 2010 | 39°C | -10°C | 1419 mm |
| 2009 | 37°C | -8°C | 1431 mm |
| 2008 | 36°C | -6°C | 1406 mm |
| 2007 | 37°C | -6°C | 1562 mm |
| 2006 | 38°C | -13°C | 1637 mm |
| 2005 | 36°C | -9°C | 1705 mm |
| 2004 | 33°C | -10°C | 1717 mm |
| 2003 | 35°C | -6°C | 1466 mm |
| 2002 | 36°C | -15°C | 1665 mm |
| 2001 | 37°C | -6°C | 1591 mm |
| 2000 | 40°C | -12°C | 1216 mm |
| 1999 | 34°C | -4°C | 1692 mm |
| 1998 | 37°C | -7°C | 1268 mm |
| 1997 | 33°C | -11°C | 1582 mm |
| 1996 | 37°C | -8°C | 1420 mm |
| Month | Avg High | Avg Low | Rainfall |
|---|---|---|---|
| Jan | 9°C | 2°C | 137 mm |
| Feb | 10°C | 2°C | 121 mm |
| Mar | 14°C | 5°C | 144 mm |
| Apr | 19°C | 8°C | 103 mm |
| May | 23°C | 13°C | 108 mm |
| Jun | 26°C | 17°C | 138 mm |
| Jul | 28°C | 20°C | 125 mm |
| Aug | 29°C | 20°C | 136 mm |
| Sep | 25°C | 17°C | 169 mm |
| Oct | 21°C | 12°C | 174 mm |
| Nov | 16°C | 8°C | 131 mm |
| Dec | 11°C | 4°C | 144 mm |