Average annual temperature is 13.6 °C
Absolute maximum temperature: 32.7 °C
Absolute minimum temperature: -8.6 °C
Number of sunny days: 172 days
Number of rainy days: 189 days
Number of snow days: 4 days
Look at detailed online map of Tristan
* Weather data for Tristan United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 20.4 | 23.6 | 23.9 | 29.6 | 28.8 | 32.1 | 32.7 | 31.4 | 31.4 | 27.6 | 23.8 | 19.1 |
| Average daytime temperature (°C) | 10.3 | 13.7 | 13.4 | 20.3 | 22.7 | 26.8 | 29.3 | 27.7 | 24.8 | 19.9 | 13.7 | 11.0 |
| Average temperature (°C) | 5.1 | 6.9 | 7.0 | 13.2 | 16.4 | 20.4 | 23.7 | 22.4 | 19.4 | 14.5 | 7.5 | 5.9 |
| Average night temperature (°C) | 1.7 | 2.1 | 2.0 | 7.3 | 10.8 | 14.7 | 19.1 | 18.0 | 14.8 | 10.3 | 2.7 | 2.4 |
| Absolute minimum temperature (°C) | -7.1 | -8.6 | -7.8 | 0.0 | 3.4 | 9.6 | 14.6 | 12.2 | 9.5 | 1.7 | -6.7 | -4.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.8 | 14.6 | 13.7 | 12.4 | 11.2 | 10.1 | 9.5 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.3 | 6.8 | 7.5 | 8.8 | 9.8 | 11.1 | 11.8 | 10.6 | 9.4 | 7.5 | 7.3 | 5.0 |
| Precipitation (mm) | 89 | 89 | 92 | 66 | 66 | 51 | 106 | 128 | 103 | 62 | 46 | 86 |
| Sunny days | 8 | 15 | 15 | 19 | 19 | 12 | 7 | 11 | 14 | 15 | 21 | 16 |
| Rainy days | 21 | 12 | 15 | 11 | 12 | 18 | 24 | 20 | 16 | 16 | 9 | 15 |
| Snow days | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Tristan during the most sunny months:
The largest precipitation sum in Tristan is at