Average annual temperature is 26.8 °C
Absolute maximum temperature: 29.9 °C
Absolute minimum temperature: 21.3 °C
Number of sunny days: 94 days
Number of rainy days: 271 days
Look at detailed online map of Mariendal
* Weather data for Mariendal U.S. Virgin Islands is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 26.4 | 26.0 | 26.0 | 26.9 | 28.2 | 29.1 | 29.4 | 29.9 | 29.8 | 29.9 | 28.9 | 28.3 |
| Average daytime temperature (°C) | 25.7 | 25.2 | 25.4 | 26.0 | 27.6 | 28.5 | 28.9 | 29.1 | 29.5 | 29.0 | 28.2 | 26.9 |
| Average temperature (°C) | 25.0 | 24.6 | 24.7 | 25.2 | 26.9 | 27.8 | 28.2 | 28.3 | 28.9 | 28.1 | 27.5 | 26.3 |
| Average night temperature (°C) | 24.0 | 23.8 | 24.0 | 24.2 | 26.0 | 27.0 | 27.2 | 27.2 | 27.9 | 27.0 | 26.6 | 25.4 |
| Absolute minimum temperature (°C) | 22.2 | 22.7 | 22.8 | 21.3 | 24.0 | 25.3 | 25.5 | 24.7 | 26.1 | 25.3 | 24.1 | 23.3 |
| 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 | 11.1 |
| 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) | 10.1 | 10.8 | 11.0 | 11.2 | 11.4 | 11.8 | 11.2 | 10.5 | 11.3 | 9.1 | 9.7 | 9.9 |
| Precipitation (mm) | 67 | 25 | 16 | 59 | 62 | 58 | 59 | 109 | 38 | 250 | 54 | 35 |
| Sunny days | 4 | 4 | 13 | 7 | 9 | 9 | 7 | 8 | 9 | 5 | 9 | 10 |
| Rainy days | 27 | 24 | 18 | 23 | 22 | 21 | 24 | 23 | 21 | 26 | 21 | 21 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mariendal is at