Average annual temperature is 18.9 °C
Absolute maximum temperature: 41.2 °C
Absolute minimum temperature: 1.7 °C
Number of sunny days: 257 days
Number of rainy days: 108 days
Look at detailed online map of Merredin
* Weather data for Merredin Australia is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 40.4 | 41.2 | 38.2 | 27.9 | 26.0 | 18.8 | 20.6 | 29.0 | 35.8 | 37.8 | 37.8 | 39.5 |
| Average daytime temperature (°C) | 33.8 | 34.3 | 30.1 | 21.8 | 21.0 | 14.6 | 16.0 | 19.6 | 24.1 | 27.9 | 31.2 | 32.9 |
| Average temperature (°C) | 25.9 | 26.5 | 23.4 | 15.9 | 14.8 | 9.7 | 10.6 | 13.3 | 17.0 | 20.6 | 24.1 | 24.9 |
| Average night temperature (°C) | 18.4 | 18.4 | 16.8 | 10.9 | 9.7 | 5.5 | 6.3 | 7.7 | 10.8 | 13.6 | 17.1 | 16.9 |
| Absolute minimum temperature (°C) | 13.0 | 12.1 | 12.7 | 6.2 | 3.7 | 2.9 | 1.7 | 3.1 | 3.4 | 6.4 | 11.9 | 11.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 |
| Daylight mean duration (h) | 13.9 | 13.2 | 12.3 | 11.3 | 10.5 | 10.1 | 10.3 | 11.0 | 11.9 | 12.9 | 13.7 | 14.2 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 |
| Sunshine mean duration (h) | 12.6 | 12.1 | 10.5 | 9.1 | 8.4 | 7.4 | 7.5 | 8.5 | 9.8 | 11.6 | 12.1 | 12.9 |
| Precipitation (mm) | 12 | 0 | 129 | 13 | 19 | 31 | 19 | 21 | 22 | 2 | 17 | 8 |
| Sunny days | 26 | 27 | 24 | 16 | 22 | 11 | 16 | 21 | 18 | 27 | 23 | 26 |
| Rainy days | 5 | 1 | 7 | 14 | 9 | 19 | 15 | 10 | 12 | 4 | 7 | 5 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Merredin during the most sunny months:
The largest precipitation sum in Merredin is at