Average annual temperature is 27.1 °C
Absolute maximum temperature: 30.5 °C
Absolute minimum temperature: 22.0 °C
Number of sunny days: 98 days
Number of rainy days: 267 days
Look at detailed online map of Mont Jean
* Weather data for Mont Jean Saint Barthélemy is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 26.8 | 26.1 | 26.6 | 27.5 | 28.3 | 29.2 | 29.6 | 30.2 | 30.5 | 30.0 | 29.2 | 28.8 |
| Average daytime temperature (°C) | 26.0 | 25.6 | 25.8 | 26.2 | 27.9 | 28.8 | 29.1 | 29.5 | 29.9 | 29.3 | 28.4 | 27.2 |
| Average temperature (°C) | 25.2 | 24.9 | 25.2 | 25.3 | 27.2 | 28.1 | 28.5 | 28.7 | 29.1 | 28.5 | 27.8 | 26.6 |
| Average night temperature (°C) | 24.1 | 23.9 | 24.4 | 24.2 | 26.4 | 27.3 | 27.5 | 27.5 | 27.9 | 27.3 | 26.9 | 25.8 |
| Absolute minimum temperature (°C) | 22.5 | 22.6 | 23.1 | 22.0 | 24.6 | 25.5 | 25.6 | 24.9 | 25.8 | 25.5 | 25.1 | 24.1 |
| 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 | 11.6 | 12.0 | 12.5 | 13.0 | 13.2 | 13.1 | 12.7 | 12.2 | 11.7 | 11.3 | 11.1 |
| 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) | 10.3 | 10.7 | 11.1 | 11.4 | 11.8 | 11.7 | 11.1 | 10.8 | 11.4 | 9.0 | 9.9 | 10.0 |
| Precipitation (mm) | 73 | 29 | 12 | 89 | 36 | 69 | 46 | 85 | 37 | 214 | 39 | 17 |
| Sunny days | 3 | 3 | 14 | 4 | 13 | 8 | 8 | 8 | 9 | 5 | 10 | 13 |
| Rainy days | 28 | 25 | 17 | 26 | 18 | 22 | 23 | 23 | 21 | 26 | 20 | 18 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mont Jean is at