Average annual temperature is 21.3 °C
Absolute maximum temperature: 41.2 °C
Absolute minimum temperature: 0.4 °C
Number of sunny days: 160 days
Number of rainy days: 205 days
Look at detailed online map of Mertz
* Weather data for Mertz 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) | 22.9 | 25.5 | 26.6 | 27.1 | 33.0 | 37.7 | 37.2 | 41.2 | 35.4 | 32.8 | 26.9 | 23.6 |
| Average daytime temperature (°C) | 18.2 | 20.1 | 22.1 | 24.4 | 28.8 | 32.2 | 34.4 | 37.9 | 32.5 | 27.1 | 20.7 | 17.1 |
| Average temperature (°C) | 13.8 | 15.8 | 17.8 | 19.8 | 23.9 | 27.1 | 29.0 | 31.4 | 26.9 | 21.2 | 15.6 | 12.5 |
| Average night temperature (°C) | 10.2 | 12.5 | 14.1 | 15.8 | 19.5 | 22.8 | 24.7 | 26.6 | 22.4 | 16.7 | 11.6 | 8.8 |
| Absolute minimum temperature (°C) | 0.5 | 2.7 | 0.4 | 8.8 | 11.3 | 20.8 | 21.5 | 23.1 | 18.5 | 9.7 | 2.3 | 2.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.4 | 11.1 | 12.0 | 12.9 | 13.7 | 14.1 | 13.9 | 13.2 | 12.4 | 11.4 | 10.6 | 10.2 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 7.0 | 7.8 | 9.1 | 9.1 | 11.1 | 11.3 | 11.5 | 11.7 | 11.1 | 9.3 | 6.7 | 7.2 |
| Precipitation (mm) | 216 | 81 | 77 | 118 | 75 | 127 | 150 | 47 | 53 | 61 | 156 | 152 |
| Sunny days | 17 | 9 | 12 | 13 | 11 | 4 | 8 | 9 | 12 | 24 | 19 | 22 |
| Rainy days | 14 | 19 | 19 | 17 | 20 | 26 | 23 | 22 | 18 | 7 | 11 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mertz is at