Ulaan-Uul Weather in May
What's the weather like in Ulaan-Uul (Bayanhongor) in May 2026?
The climate in Ulaan-Uul during May can be summarized as cool and dry.
May is in the spring in Ulaan-Uul and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 18°C (64°F), whilst at night 2°C (36°F) is normal.
| Daytime temperature | 17.6°C 63.7°F |
|---|---|
| Nightly temperature | 2.2°C 36°F |
| Average temperature | 9.9°C 49.8°F |
| Daily sunshine | 10.6 hrs |
| Avg rainfall | 16 mm 0.6 ins |
| Rainy days | 7 days |
| Sea temperature | 12.8°C 55°F |
| Humidity | 44% |
| Windspeed | 13kph 8 mph |
On average May is the 4th wettest month of the year in Ulaan-Uul with around 16mm 0.6 inches of rain making it a dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 10.6 hours of sunshine per day.
May temperatures in Ulaan-Uul
May rainfall
May hourly sunshine
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 Ulaan-Uul in May 2025.
Other monthly averages
Ulaan-Uul weather stats
| Hottest month: | July | 22.8°C 73°F |
|---|---|---|
| Driest month: | December | 1mm 0ins |
| Sunniest month: | January | 8.9hrs |
| Coldest month: | January | -11.3°C 11.7°F |
| Wettest month: | July | 62mm 2.4ins |
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