Average annual temperature is 25.0 °C
Absolute maximum temperature: 34.1 °C
Absolute minimum temperature: 18.5 °C
Number of sunny days: 262 days
Number of rainy days: 103 days
Look at detailed online map of Arenal
* Weather data for Arenal Peru 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 | 34.1 | 33.2 | 31.4 | 33.5 | 32.9 | 32.7 | 31.9 | 31.1 | 32.3 | 31.6 | 33.2 |
| Average daytime temperature (°C) | 31.0 | 32.6 | 30.5 | 29.7 | 31.1 | 30.2 | 30.4 | 29.7 | 29.5 | 30.1 | 29.6 | 30.2 |
| Average temperature (°C) | 25.0 | 27.3 | 26.3 | 26.0 | 26.1 | 24.9 | 24.5 | 23.9 | 23.6 | 24.1 | 23.6 | 24.5 |
| Average night temperature (°C) | 21.4 | 24.0 | 23.3 | 23.4 | 22.8 | 21.5 | 20.9 | 20.5 | 20.1 | 20.6 | 20.1 | 21.4 |
| Absolute minimum temperature (°C) | 19.4 | 22.5 | 22.1 | 22.1 | 21.7 | 19.9 | 20.1 | 19.5 | 19.1 | 19.7 | 18.5 | 20.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.4 | 12.3 | 12.1 | 12.0 | 11.9 | 11.8 | 11.9 | 12.0 | 12.1 | 12.2 | 12.3 | 12.4 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 10.5 | 10.6 | 9.4 | 8.7 | 10.0 | 10.1 | 10.6 | 10.5 | 11.0 | 10.4 | 10.4 | 10.5 |
| Precipitation (mm) | 9 | 13 | 171 | 229 | 3 | 15 | 2 | 1 | 0 | 6 | 1 | 30 |
| Sunny days | 24 | 19 | 7 | 0 | 29 | 27 | 30 | 28 | 29 | 23 | 28 | 18 |
| Rainy days | 7 | 9 | 24 | 30 | 2 | 3 | 1 | 3 | 1 | 8 | 2 | 13 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Arenal is at