Note: Trends are based on data recorded at Geelong Weather since 2006.
| Temperature Trend | |||
| Month | Average since 2006 | Current Month | Difference |
| January | 20.0°C | 21.6°C (2019) | 1.6°C |
| February | 19.9°C | 20.5°C (2019) | 0.6°C |
| March | 18.6°C | 19.1°C (2019) | 0.5°C |
| April | 15.5°C | 16.2°C (2019) | 0.7°C |
| May | 12.8°C | 14.0°C (2019) | 1.2°C |
| June | 10.3°C | 10.1°C (2018) | -0.2°C |
| July | 9.7°C | 10.0°C (2018) | 0.3°C |
| August | 10.4°C | 10.2°C (2018) | -0.2°C |
| September | 12.3°C | 12.5°C (2018) | 0.2°C |
| October | 14.6°C | 15.6°C (2018) | 1.0°C |
| November | 16.4°C | 16.6°C (2018) | 0.2°C |
| December | 18.4°C | 20.4°C (2018) | 2.0°C |
| Totals | 14.9°C | 15.6°C | 0.7°C |
| Average Annual All-Time Temperature: 14.9°C | |||
| Average 12 Month Temperature: 15.6°C | |||
| Current 12 Month Temperature Trend: 0.7°C |
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| Rain Trend | |||
| Month | Average since 2006 | Current Month | Difference |
| January | 37.6 mm | 1.6 mm (2019) | -36.00 mm |
| February | 34.9 mm | 0.2 mm (2019) | -34.70 mm |
| March | 26.5 mm | 0.2 mm (2019) | -26.30 mm |
| April | 40.0 mm | 0.0 mm (2019) | -40.00 mm |
| May | 39.1 mm | 24.4 mm (2019) | -14.70 mm |
| June | 49.6 mm | 35.5 mm (2018) | -14.10 mm |
| July | 48.7 mm | 39.3 mm (2018) | -9.40 mm |
| August | 48.1 mm | 32.9 mm (2018) | -15.20 mm |
| September | 46.2 mm | 9.1 mm (2018) | -37.10 mm |
| October | 42.6 mm | 27.5 mm (2018) | -15.10 mm |
| November | 52.1 mm | 14.4 mm (2018) | -37.70 mm |
| December | 60.9 mm | 14.4 mm (2018) | -46.50 mm |
| Totals | 526.3 mm | 199.5 mm | -326.80 mm |
| Average 12 Month Rainfall: 526.3 mm | |||
| Current 12 Month Rainfall: 199.5 mm | |||
| Current 12 Month Rainfall Trend: -326.80 mm |
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This table is reflective of 12 month temperature & Rainfall trending at the Geelong Weather Station location. This is not official scientific data. The weather data presented here is based on 4 years of collection (June. 2006). Script courtesy of: Michael Holden from www.relayweather.com