Ulaanbaatar in may: average Weather, Temperature and Climate
Weather in Ulaanbaatar in may 2026
The weather in Ulaanbaatar in the month of may comes from statistical datas on the last years. You can view the weather statistics the entire month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout may
tolerable weather 127cm
Weather at 6am
56°F
Clear/Sunny
55% of time
21%
9%
7%
Weather at 12pm
50°F
Clear/Sunny
57% of time
20%
11%
7%
Weather at 6pm
43°F
Clear/Sunny
58% of time
23%
9%
5%
Weather at 3am
52°F
55%
23%
9%
5%
Evolution of daily average temperature and precipitation in Ulaanbaatar in may
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Ulaanbaatar in may.
The climate of Ulaanbaatar in may is tolerable
In may in Ulaanbaatar, the climate is relatively dry (with 1.9in of precipitation over 3 days). The weather is worst than the previous month since in april there is an average of 1in of precipitation over 1 days.
The climate is quite fresh there this month, but it is liveable when dressing cosy. The high seasonal norm is 58°F. The minimum is 45°F. Thus, the mean temperature average on this month of may in Ulaanbaatar is 52°F. These temperatures are far removed from those records observed in Ulaanbaatar in may with a maximum record of 85°F in 2014 and a minimum record of 20°F in 2016. You can expect to have about 5 days with temperatures below 32°F, or 16% of the month.
On this month of may, day length in Ulaanbaatar is generally 15:10. Sunrise is at 05:14 and sunset is at 20:24.
With a correct climate, may is okay (but not the best) to go in Ulaanbaatar in Mongolia.
Ulaanbaatar: another month?
If you can push back the dates of your trip, we advise you to go in june to Ulaanbaatar. more information
May: another location in Mongolia?
If you want to go to Mongolia in may, there are destinations with better weather than Ulaanbaatar:
In may, Choybalsan, Dalanzadgad, Darkhan, Khovd, Ovoot and Saynshand have good weather.
Seasonal average climate and temperature of Ulaanbaatar in may
Check below seasonal norms These datas are set from the weather statements earlier years of the month of may.
| May | |||||
| Outside temperature | |||||
| Average temperature | 52°F | ||||
| Highest temperature | 58°F | ||||
| Lowest temperature | 45°F | ||||
| Highest record temperature | 85°F (2014) | ||||
| Lowest record temperature | 20°F (2016) | ||||
| Number of days at +65°F | 9 day(s) (29%) | ||||
| Number of days at -32°F | 5 day(s) (16%) | ||||
| Wind | |||||
| Wind speed | 26km/h | ||||
| Wind temperature | 41°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 1.9in | ||||
| Number of days with rainfall | 3 day(s) (10%) | ||||
| Record daily rainfall | 2in (2019) | ||||
| Snowfall | 127cm | ||||
| Other climate data | |||||
| Humidity | 54% | ||||
| Visibility | 9.34km | ||||
| Cloud cover | 25% | ||||
| UV index | 4 | ||||
| Daily sunshine hours | 14 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:14 | ||||
| Time of sunset | 20:24 | ||||
| Length of day | 15:10 | ||||
| Our opinion about the weather in may | |||||
| Our opinion at whereandwhen.net | tolerable | ||||
How was the weather last may?
Here is the day by day recorded weather in Ulaanbaatar in may 2025:
36°F to 43°F
27°F to 43°F
29°F to 52°F
36°F to 49°F
32°F to 54°F
36°F to 54°F
38°F to 54°F
32°F to 52°F
32°F to 58°F
38°F to 67°F
45°F to 72°F
47°F to 63°F
36°F to 49°F
38°F to 56°F
32°F to 49°F
36°F to 41°F
29°F to 45°F
34°F to 49°F
41°F to 68°F
45°F to 61°F
41°F to 58°F
41°F to 61°F
47°F to 67°F
56°F to 65°F
50°F to 61°F
59°F to 72°F
68°F to 81°F
32°F to 72°F
47°F to 67°F
38°F to 49°F
43°F to 56°F
Map: other cities in Mongolia in may
Cities near Ulaanbaatar:
| Darkhan in may | good weather |
| Choyr in may | good weather |
| Erdenet in may | tolerable weather |
| Sühbaatar in may | tolerable weather |
| Undurkhaan in may | good weather |
| Arvayheer in may | tolerable weather |
| Javhlant in may | good weather |
| Tsetserleg in may | tolerable weather |
| Saynshand in may | good weather |
| Baruun-Urt in may | good weather |
| Ulaan-Uul in may | good weather |
| Dalanzadgad in may | good weather |
Click over cities on the map for information about the weather in may.
Ulaanbaatar
perfect weather
good
tolerable
bad
very bad
Weather data for Ulaanbaatar in may:
Weather data for Ulaanbaatar for may are derived from an average of the weather forecast since 2009 in Ulaanbaatar. There is a margin of error and these forecasts are to be considered as general information only. The weather in Ulaanbaatar can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Ulaanbaatar.