Ulaanbaatar (Sergelen) weather by month & the best time to visit
🇲🇳 Mongolia · city break · semi-arid climate
The best time to visit Ulaanbaatar (Sergelen) is June — its sunniest month (Sunshine Score 90/100), with August and July close behind. Ulaanbaatar (Sergelen) averages about 3,261 hours of sunshine a year. Daytime highs around 24°C / 75°F and roughly 44 mm of rain in June.
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- Sun hours / year
- 3,261
- Sunniest month
- June
- Peak score
- 90/100
- Rain / year
- 246 mm
- Snow / year
- ≈64 cm
- Midday UV at peak
- 7 (high)
- Population
- 845k
- Elevation
- 1,364 m
When is the best time to visit Ulaanbaatar (Sergelen)?
For sunshine, the best time to visit Ulaanbaatar (Sergelen) is June, then August and July. The dullest month is January (0/100, 3 mm of rain). The full month-by-month picture is in the table below.
How sunny is Ulaanbaatar (Sergelen)?
Ulaanbaatar (Sergelen) is one of the sunniest places on Earth: about 3,261 hours of sunshine a year. 90 Sunshine Score points separate June (90) from January (0), so the month you pick matters. It ranks #4 of 12 destinations in Mongolia for annual sunshine, above the national median of 3,222 hours. Rain is strongly seasonal here: roughly 66% of the year's 246 mm falls in the three months around July.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 0 | -15° / 5°F | -24° / -11°F | 3 mm | 1 |
| February | 0 | -10° / 14°F | -22° / -8°F | 3 mm | 2 |
| March | 0 | -1° / 30°F | -13° / 9°F | 5 mm | 3 |
| April | 8 | 9° / 48°F | -4° / 25°F | 9 mm | 5 |
| May | 70 | 17° / 63°F | 1° / 34°F | 25 mm | 6 |
| June | 90 | 24° / 75°F | 9° / 48°F | 44 mm | 7 |
| July | 87 | 26° / 79°F | 12° / 54°F | 63 mm | 7 |
| August | 88 | 23° / 73°F | 10° / 50°F | 55 mm | 6 |
| September | 63 | 16° / 61°F | 2° / 36°F | 21 mm | 5 |
| October | 0 | 6° / 43°F | -5° / 23°F | 9 mm | 3 |
| November | 0 | -5° / 23°F | -15° / 5°F | 6 mm | 1 |
| December | 0 | -13° / 9°F | -22° / -8°F | 3 mm | 1 |
See Ulaanbaatar (Sergelen) on the interactive sunshine globe →
Nearby places for sunshine
- Ulan Ude Russia · 465 km · best in Jun · 2,485 h sun/yr
- Irkutsk Russia · 542 km · best in Jun · 2,466 h sun/yr
- Chita Russia · 673 km · best in Jun · 2,733 h sun/yr
- Xilinhot China · 821 km · best in May · 3,139 h sun/yr
- Baotou China · 828 km · best in May · 3,170 h sun/yr
- Hohhot China · 854 km · best in May · 3,039 h sun/yr
Nearest destinations
- Mandalgobi Mongolia · 216 km · 3,351 h sun/yr · best in May
- Bulgan Mongolia · 282 km · 3,101 h sun/yr · best in Jun
- Arvaikheer Mongolia · 342 km · 3,201 h sun/yr · best in Jun
- Dalanzadgad Mongolia · 488 km · 3,243 h sun/yr · best in May
- Bayankhongor Mongolia · 493 km · 3,253 h sun/yr · best in Jun
Head-to-head
How Ulaanbaatar (Sergelen) compares month by month: Ulaanbaatar (Sergelen) vs Irkutsk · Ulaanbaatar (Sergelen) vs Ulan Ude · Ulaanbaatar (Sergelen) vs Chita · all comparisons
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