Average annual temperature is 26.2 °C
Absolute maximum temperature: 37.1 °C
Absolute minimum temperature: 20.1 °C
Number of sunny days: 41 days
Number of rainy days: 324 days
Look at detailed online map of Río Viejo Número Uno
* Weather data for Río Viejo Número Uno Panama is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 32.6 | 35.0 | 35.6 | 37.1 | 36.4 | 31.9 | 32.8 | 32.8 | 31.5 | 30.2 | 31.2 | 32.1 |
| Average daytime temperature (°C) | 30.1 | 33.7 | 32.9 | 33.6 | 31.6 | 29.0 | 29.7 | 29.2 | 29.4 | 28.1 | 28.3 | 30.7 |
| Average temperature (°C) | 25.5 | 27.5 | 27.0 | 27.5 | 27.0 | 26.0 | 25.9 | 25.7 | 25.6 | 25.3 | 25.2 | 26.5 |
| Average night temperature (°C) | 22.2 | 23.4 | 22.9 | 23.5 | 24.3 | 24.1 | 23.6 | 23.5 | 23.4 | 23.6 | 23.3 | 23.7 |
| Absolute minimum temperature (°C) | 20.1 | 21.5 | 21.5 | 21.7 | 23.4 | 23.0 | 22.8 | 22.4 | 22.7 | 22.4 | 22.4 | 21.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.7 | 11.9 | 12.1 | 12.3 | 12.5 | 12.6 | 12.5 | 12.4 | 12.2 | 12.0 | 11.8 | 11.7 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.6 | 10.9 | 10.9 | 10.5 | 9.1 | 7.5 | 7.7 | 7.1 | 7.9 | 6.5 | 7.2 | 10.1 |
| Precipitation (mm) | 75 | 7 | 54 | 96 | 249 | 283 | 406 | 440 | 314 | 570 | 426 | 146 |
| Sunny days | 7 | 18 | 5 | 6 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 3 |
| Rainy days | 24 | 10 | 26 | 24 | 30 | 30 | 30 | 31 | 30 | 31 | 30 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Río Viejo Número Uno is at