Average annual temperature is 11.4 °C
Absolute maximum temperature: 33.1 °C
Absolute minimum temperature: -22.3 °C
Number of sunny days: 142 days
Number of rainy days: 206 days
Number of snow days: 17 days
Look at detailed online map of Comuna Biertan
* Weather data for Comuna Biertan Romania is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 15.8 | 12.8 | 19.4 | 20.1 | 24.7 | 29.1 | 32.1 | 33.1 | 29.7 | 28.8 | 19.8 | 17.0 |
| Average daytime temperature (°C) | 7.4 | 4.4 | 11.4 | 13.2 | 20.4 | 23.6 | 26.8 | 27.4 | 24.8 | 19.3 | 9.9 | 6.7 |
| Average temperature (°C) | 3.6 | -0.1 | 6.0 | 8.4 | 14.9 | 18.7 | 21.5 | 21.9 | 18.8 | 13.5 | 6.1 | 2.5 |
| Average night temperature (°C) | 0.3 | -4.9 | 1.3 | 3.9 | 9.7 | 13.8 | 16.3 | 16.5 | 13.6 | 8.2 | 2.5 | -0.6 |
| Absolute minimum temperature (°C) | -5.6 | -22.3 | -4.3 | -0.7 | 4.9 | 9.9 | 11.4 | 11.7 | 9.4 | 0.8 | -5.5 | -4.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 |
| Daylight mean duration (h) | 9.1 | 10.3 | 11.9 | 13.6 | 15.0 | 15.7 | 15.4 | 14.1 | 12.6 | 10.9 | 9.5 | 8.7 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 4.4 | 5.7 | 7.8 | 7.7 | 10.8 | 11.1 | 12.7 | 12.0 | 10.6 | 8.7 | 4.4 | 4.7 |
| Precipitation (mm) | 79 | 51 | 30 | 85 | 71 | 124 | 122 | 48 | 37 | 18 | 81 | 25 |
| Sunny days | 13 | 10 | 14 | 7 | 11 | 3 | 8 | 14 | 21 | 20 | 6 | 15 |
| Rainy days | 13 | 12 | 16 | 22 | 20 | 27 | 23 | 17 | 9 | 11 | 22 | 14 |
| Snow days | 5 | 6 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 |
The best time to visit Comuna Biertan during the most sunny months:
Months with the longest average daylight duration in Comuna Biertan:
The largest precipitation sum in Comuna Biertan is at