Average annual temperature is 28.9 °C
Absolute maximum temperature: 41.4 °C
Absolute minimum temperature: 19.9 °C
Number of sunny days: 128 days
Number of rainy days: 237 days
Look at detailed online map of Río Grande
* Weather data for Río Grande Honduras is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 38.9 | 38.8 | 40.0 | 39.9 | 41.4 | 37.6 | 39.6 | 39.9 | 37.9 | 35.1 | 36.7 | 38.0 |
| Average daytime temperature (°C) | 36.0 | 37.6 | 35.9 | 36.9 | 36.0 | 33.5 | 36.5 | 35.7 | 34.9 | 31.9 | 33.6 | 35.9 |
| Average temperature (°C) | 28.8 | 30.3 | 29.0 | 29.8 | 29.8 | 28.0 | 29.7 | 29.0 | 28.4 | 26.8 | 27.7 | 29.4 |
| Average night temperature (°C) | 23.2 | 24.3 | 23.9 | 24.9 | 25.2 | 24.4 | 25.0 | 24.7 | 24.1 | 23.7 | 23.5 | 24.3 |
| Absolute minimum temperature (°C) | 19.9 | 21.4 | 22.2 | 23.1 | 23.7 | 23.6 | 23.1 | 23.6 | 22.0 | 21.6 | 20.8 | 21.4 |
| 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) | 11.4 | 11.7 | 12.1 | 12.4 | 12.8 | 12.9 | 12.8 | 12.6 | 12.2 | 11.8 | 11.5 | 11.3 |
| 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) | 10.4 | 10.9 | 11.2 | 11.3 | 10.9 | 9.3 | 10.6 | 10.3 | 10.6 | 8.9 | 9.9 | 10.5 |
| Precipitation (mm) | 6 | 0 | 47 | 18 | 160 | 264 | 210 | 239 | 300 | 536 | 208 | 20 |
| Sunny days | 20 | 26 | 17 | 19 | 12 | 2 | 5 | 0 | 0 | 0 | 4 | 23 |
| Rainy days | 11 | 2 | 14 | 11 | 19 | 28 | 26 | 31 | 30 | 31 | 26 | 8 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Río Grande is at