Average annual temperature is 25.8 °C
Absolute maximum temperature: 33.9 °C
Absolute minimum temperature: 17.7 °C
Number of sunny days: 87 days
Number of rainy days: 278 days
Look at detailed online map of Arraiján
* Weather data for Arraiján Dominican Republic is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 29.5 | 30.5 | 31.3 | 32.2 | 33.2 | 33.6 | 33.8 | 33.9 | 33.9 | 33.9 | 31.6 | 30.9 |
| Average daytime temperature (°C) | 28.0 | 28.8 | 29.8 | 30.1 | 31.4 | 32.1 | 32.3 | 31.5 | 32.5 | 32.2 | 29.8 | 28.9 |
| Average temperature (°C) | 23.1 | 23.8 | 24.2 | 24.8 | 26.5 | 27.8 | 27.6 | 27.4 | 27.7 | 27.0 | 25.5 | 24.5 |
| Average night temperature (°C) | 20.0 | 20.3 | 20.1 | 20.7 | 22.8 | 24.5 | 24.5 | 24.6 | 24.4 | 23.7 | 22.7 | 21.6 |
| Absolute minimum temperature (°C) | 17.8 | 17.9 | 17.7 | 18.6 | 20.8 | 22.3 | 22.6 | 22.8 | 22.8 | 21.9 | 21.6 | 18.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.2 | 11.5 | 12.0 | 12.6 | 13.0 | 13.2 | 13.1 | 12.7 | 12.2 | 11.7 | 11.3 | 11.0 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.2 | 10.7 | 11.1 | 11.4 | 11.2 | 11.8 | 10.9 | 10.1 | 10.8 | 10.2 | 9.9 | 9.9 |
| Precipitation (mm) | 49 | 13 | 10 | 75 | 80 | 69 | 69 | 166 | 58 | 119 | 145 | 34 |
| Sunny days | 8 | 10 | 17 | 4 | 6 | 3 | 8 | 2 | 5 | 5 | 10 | 9 |
| Rainy days | 23 | 18 | 14 | 26 | 25 | 27 | 23 | 29 | 25 | 26 | 20 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Arraiján is at