Average annual temperature is 16.5 °C
Absolute maximum temperature: 41.3 °C
Absolute minimum temperature: -12.3 °C
Number of sunny days: 254 days
Number of rainy days: 111 days
Look at detailed online map of Shamrock
* Weather data for Shamrock 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) | 24.4 | 24.4 | 27.3 | 30.9 | 31.7 | 38.5 | 39.0 | 41.3 | 40.3 | 30.8 | 30.7 | 23.2 |
| Average daytime temperature (°C) | 12.3 | 14.3 | 17.2 | 22.8 | 25.5 | 30.1 | 34.6 | 36.4 | 31.7 | 24.0 | 17.2 | 13.1 |
| Average temperature (°C) | 5.4 | 6.2 | 9.7 | 14.9 | 19.5 | 23.9 | 27.9 | 29.7 | 25.5 | 17.5 | 10.6 | 7.0 |
| Average night temperature (°C) | 0.3 | 0.7 | 3.7 | 8.7 | 14.5 | 18.5 | 21.9 | 23.1 | 19.6 | 11.9 | 5.6 | 2.5 |
| Absolute minimum temperature (°C) | -12.3 | -7.7 | -5.4 | 0.1 | 6.9 | 14.2 | 17.9 | 17.1 | 15.3 | -1.8 | -3.0 | -4.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.8 | 7.8 | 9.9 | 10.2 | 10.3 | 11.7 | 12.1 | 12.2 | 10.5 | 9.3 | 8.0 | 7.4 |
| Precipitation (mm) | 18 | 24 | 5 | 20 | 121 | 110 | 39 | 2 | 60 | 38 | 25 | 62 |
| Sunny days | 26 | 20 | 24 | 23 | 13 | 13 | 17 | 25 | 22 | 22 | 24 | 25 |
| Rainy days | 5 | 8 | 7 | 7 | 18 | 17 | 14 | 6 | 8 | 9 | 6 | 6 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Shamrock is at