Average annual temperature is 2.2 °C
Absolute maximum temperature: 35.9 °C
Absolute minimum temperature: -40.2 °C
Number of sunny days: 230 days
Number of rainy days: 95 days
Number of snow days: 40 days
Look at detailed online map of Ongon
* Weather data for Ongon Mongolia is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 0.6 | 8.3 | 18.1 | 24.5 | 26.0 | 33.7 | 35.9 | 31.2 | 29.7 | 17.8 | 6.2 | 3.7 |
| Average daytime temperature (°C) | -12.7 | -4.6 | 6.5 | 8.8 | 16.1 | 25.3 | 25.1 | 24.0 | 17.5 | 12.1 | -3.4 | -14.0 |
| Average temperature (°C) | -19.3 | -12.7 | -1.0 | 2.3 | 9.9 | 18.7 | 19.5 | 18.4 | 12.0 | 4.8 | -8.5 | -18.7 |
| Average night temperature (°C) | -25.7 | -19.5 | -7.8 | -3.8 | 3.4 | 12.1 | 14.1 | 12.7 | 6.6 | -1.3 | -12.7 | -22.6 |
| Absolute minimum temperature (°C) | -40.2 | -26.4 | -15.1 | -10.6 | -1.9 | 5.7 | 8.9 | 6.9 | 0.1 | -6.5 | -20.8 | -32.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 10.0 | 12.0 | 14.0 | 15.0 | 16.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.8 | 10.2 | 11.9 | 13.7 | 15.3 | 16.1 | 15.7 | 14.3 | 12.6 | 10.8 | 9.2 | 8.3 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 6.8 | 8.6 | 9.9 | 10.5 | 9.5 | 11.6 | 10.2 | 11.0 | 8.1 | 8.7 | 6.5 | 6.4 |
| Precipitation (mm) | 2 | 0 | 8 | 13 | 30 | 74 | 102 | 111 | 91 | 4 | 8 | 9 |
| Sunny days | 27 | 27 | 24 | 15 | 14 | 13 | 12 | 14 | 12 | 25 | 20 | 27 |
| Rainy days | 0 | 0 | 1 | 5 | 13 | 17 | 19 | 17 | 18 | 3 | 2 | 0 |
| Snow days | 4 | 1 | 6 | 10 | 4 | 0 | 0 | 0 | 0 | 3 | 8 | 4 |
The best time to visit Ongon during the most sunny months:
Months with the longest average daylight duration in Ongon:
The largest precipitation sum in Ongon is at