Average annual temperature is 17.1 °C
Absolute maximum temperature: 37.0 °C
Absolute minimum temperature: 1.6 °C
Number of sunny days: 257 days
Number of rainy days: 108 days
Look at detailed online map of City of Downey
* Weather data for City of Downey United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 19.9 | 26.4 | 23.3 | 32.9 | 27.4 | 27.9 | 36.9 | 35.4 | 34.8 | 37.0 | 31.0 | 28.7 |
| Average daytime temperature (°C) | 16.4 | 18.3 | 16.9 | 22.1 | 22.2 | 24.2 | 31.6 | 29.6 | 27.5 | 28.6 | 24.7 | 21.2 |
| Average temperature (°C) | 11.1 | 11.2 | 11.9 | 15.4 | 17.1 | 18.8 | 23.1 | 22.7 | 21.4 | 20.1 | 16.7 | 14.6 |
| Average night temperature (°C) | 7.1 | 6.0 | 8.5 | 10.8 | 13.5 | 15.1 | 17.7 | 18.2 | 17.5 | 14.6 | 11.1 | 10.0 |
| Absolute minimum temperature (°C) | 2.8 | 1.6 | 3.1 | 5.7 | 9.5 | 12.2 | 13.8 | 16.2 | 14.4 | 9.3 | 8.0 | 6.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.2 | 11.0 | 12.0 | 13.0 | 13.9 | 14.4 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 6.7 | 8.5 | 7.7 | 10.1 | 9.2 | 10.2 | 12.0 | 10.8 | 9.2 | 9.7 | 8.9 | 7.3 |
| Precipitation (mm) | 233 | 102 | 188 | 5 | 17 | 3 | 0 | 82 | 85 | 2 | 35 | 132 |
| Sunny days | 15 | 17 | 10 | 26 | 20 | 20 | 31 | 26 | 20 | 27 | 22 | 23 |
| Rainy days | 16 | 11 | 21 | 4 | 11 | 10 | 0 | 5 | 10 | 4 | 8 | 8 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit City of Downey during the most sunny months:
The largest precipitation sum in City of Downey is at