Average annual temperature is 16.2 °C
Absolute maximum temperature: 35.1 °C
Absolute minimum temperature: 4.5 °C
Number of sunny days: 161 days
Number of rainy days: 204 days
Look at detailed online map of Forest Grove
* Weather data for Forest Grove 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) | 32.8 | 32.1 | 30.7 | 25.1 | 23.7 | 17.6 | 17.9 | 22.1 | 25.7 | 27.9 | 35.1 | 31.2 |
| Average daytime temperature (°C) | 24.6 | 25.4 | 23.7 | 19.8 | 18.7 | 14.6 | 15.6 | 15.9 | 17.2 | 19.8 | 24.8 | 24.6 |
| Average temperature (°C) | 19.3 | 20.0 | 18.8 | 15.8 | 14.9 | 12.0 | 13.5 | 12.9 | 14.3 | 15.3 | 19.0 | 18.9 |
| Average night temperature (°C) | 15.2 | 15.7 | 15.1 | 12.8 | 11.4 | 9.4 | 11.1 | 9.9 | 11.6 | 11.7 | 14.5 | 14.3 |
| Absolute minimum temperature (°C) | 11.5 | 12.1 | 11.2 | 8.5 | 7.2 | 4.5 | 6.2 | 6.2 | 5.7 | 7.0 | 10.8 | 10.9 |
| 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) | 14.1 | 13.3 | 12.3 | 11.2 | 10.4 | 9.9 | 10.1 | 10.9 | 11.9 | 12.9 | 13.9 | 14.4 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 |
| Sunshine mean duration (h) | 12.3 | 12.3 | 10.3 | 8.4 | 7.4 | 6.8 | 7.6 | 7.9 | 9.0 | 10.6 | 12.2 | 12.5 |
| Precipitation (mm) | 5 | 3 | 29 | 92 | 54 | 126 | 115 | 94 | 90 | 26 | 6 | 11 |
| Sunny days | 19 | 21 | 17 | 9 | 13 | 4 | 4 | 8 | 11 | 13 | 21 | 21 |
| Rainy days | 12 | 7 | 14 | 21 | 18 | 26 | 27 | 23 | 19 | 18 | 9 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Forest Grove during the most sunny months:
The largest precipitation sum in Forest Grove is at