The climate in Ulaantolgoy during October can be summarized as cold and very dry.
October is in the fall / autumn in Ulaantolgoy and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a freezing 6°C (43°F), whilst at night -8°C (18°F) is normal.
| Daytime temperature | 6°C 42.7°F |
|---|---|
| Nightly temperature | -7.8°C 18.1°F |
| Average temperature | -0.9°C 30.4°F |
| Daily sunshine | 8.7 hrs |
| Avg rainfall | 6 mm 0.2 ins |
| Rainy days | 5 days |
| Sea temperature | 13.9°C 57°F |
| Humidity | 55% |
| Windspeed | 7.2kph 5 mph |
On average October is the 6th driest month of the year in Ulaantolgoy with around 6mm 0.2 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 8.7 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Ulaantolgoy in October 2025.
Best places to visit in October
| Hottest month: | July | 20.8°C 69.4°F |
|---|---|---|
| Driest month: | January | 2mm 0.1ins |
| Sunniest month: | September | 10.1hrs |
| Coldest month: | January | -15.3°C 4.5°F |
| Wettest month: | July | 39mm 1.5ins |