Average annual temperature is 16.0 °C
Absolute maximum temperature: 36.7 °C
Absolute minimum temperature: -7.1 °C
Number of sunny days: 208 days
Number of rainy days: 157 days
Look at detailed online map of Marengo
* Weather data for Marengo 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) | 19.9 | 24.5 | 28.5 | 30.1 | 29.5 | 31.6 | 36.7 | 35.0 | 35.5 | 28.1 | 26.8 | 20.5 |
| Average daytime temperature (°C) | 12.9 | 15.3 | 16.7 | 22.7 | 23.9 | 28.3 | 32.9 | 31.2 | 27.6 | 22.6 | 15.7 | 13.2 |
| Average temperature (°C) | 7.8 | 9.8 | 10.6 | 16.0 | 18.1 | 22.1 | 26.8 | 25.4 | 21.7 | 16.3 | 9.7 | 7.6 |
| Average night temperature (°C) | 4.2 | 5.4 | 5.4 | 10.4 | 13.2 | 16.7 | 21.8 | 20.5 | 17.0 | 11.5 | 5.0 | 3.2 |
| Absolute minimum temperature (°C) | -2.6 | -7.1 | -3.0 | 2.2 | 7.2 | 11.3 | 17.5 | 16.1 | 12.0 | 5.8 | -4.9 | -3.5 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.8 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.2 | 9.7 |
| 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) | 6.1 | 6.5 | 8.3 | 9.3 | 10.1 | 10.8 | 11.9 | 10.8 | 8.9 | 8.8 | 7.9 | 6.5 |
| Precipitation (mm) | 78 | 52 | 81 | 138 | 98 | 59 | 57 | 68 | 109 | 43 | 53 | 176 |
| Sunny days | 16 | 17 | 16 | 17 | 16 | 13 | 15 | 15 | 17 | 24 | 24 | 18 |
| Rainy days | 15 | 11 | 15 | 13 | 15 | 17 | 16 | 16 | 13 | 7 | 6 | 13 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Marengo during the most sunny months:
The largest precipitation sum in Marengo is at