Climate averages 1991–2020
Ulan Bator weather
in June.
A mild, moderately wet month: the 3rd warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
June is a mild month in Ulan Bator: daytime highs average 21.4°C and nights cool to about 8.4°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 55 mm of rain on roughly 10 days, which makes June a moderately wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 15 h 57 min on an average June day.
The nearest other city in this atlas is Darhan (189 km away). In June its highs average 25.4°C, 4.0°C warmer than Ulan Bator, with 51 mm of rain.
Among the 3 cities listed in Mongolia, Ulan Bator ranks 2nd of 3 for the warmest June highs and 2nd of 3 for the driest June (rainfall, lowest first). The mean June high of those 3 cities is 22.7°C; Ulan Bator is 1.3°C cooler than that mean.
From June to July, average highs rise by 2.2°C to 23.7°C, and monthly rainfall rises from 55 mm to 66 mm.
The annual picture
June in context
Monthly precipitation
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Ulan Bator climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -12.4°C-24.8°C | -24.8°C | 1.5 | 0.5 | 8.99 h |
| February | -7.4°C-21.2°C | -21.2°C | 2.8 | 1.2 | 10.210 h |
| March | 0.9°C-11.9°C | -11.9°C | 7.3 | 2.2 | 11.912 h |
| April | 8.8°C-3.6°C | -3.6°C | 16 | 4.3 | 13.614 h |
| May | 15.8°C1.7°C | 1.7°C | 34 | 6.7 | 15.115 h |
| June, selected | 21.4°C8.4°C | 8.4°C | 55 | 9.5 | 16.016 h |
| July | 23.7°C11.9°C | 11.9°C | 66 | 11.2 | 15.616 h |
| August | 21.7°C9.8°C | 9.8°C | 68 | 10.7 | 14.314 h |
| September | 15.6°C3.0°C | 3.0°C | 39 | 7.2 | 12.613 h |
| October | 6.5°C-4.1°C | -4.1°C | 15 | 3.8 | 10.911 h |
| November | -3.7°C-13.5°C | -13.5°C | 6.1 | 2.1 | 9.39 h |
| December | -10.8°C-20.9°C | -20.9°C | 2.1 | 0.9 | 8.58 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
June in nearby cities
- Darhan in JuneMongolia · 189 kmHigh 25.4°C · Low 12.6°C · 51 mm rain
- Erdenet in JuneMongolia · 241 kmHigh 21.2°C · Low 10.0°C · 63 mm rain
- Ulan-Ude in JuneRussia · 439 kmHigh 23.9°C · Low 10.8°C · 44 mm rain
- Irkutsk in JuneRussia · 522 kmHigh 22.8°C · Low 10.7°C · 65 mm rain
- Angarsk in JuneRussia · 559 kmHigh 23.6°C · Low 11.3°C · 59 mm rain
- Usol’ye-Sibirskoye in JuneRussia · 585 kmHigh 23.4°C · Low 11.5°C · 63 mm rain
- Chita in JuneRussia · 659 kmHigh 23.2°C · Low 10.8°C · 53 mm rain
- Bayan Nur in JuneChina · 798 kmHigh 29.8°C · Low 15.9°C · 23 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Ulan Bator) is explained once on the Ulan Bator year overview and on the Sources, method and limits page.