Bayankhongor weather by month & the best time to visit
🇲🇳 Mongolia · small town · semi-arid climate
The best time to visit Bayankhongor is June — its sunniest month (Sunshine Score 91/100), with August and July close behind. Bayankhongor averages about 3,253 hours of sunshine a year. Daytime highs around 23°C / 73°F and roughly 39 mm of rain in June.
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- Sun hours / year
- 3,253
- Sunniest month
- June
- Peak score
- 91/100
- Rain / year
- 194 mm
- Snow / year
- ≈44 cm
- Midday UV at peak
- 7 (high)
- Population
- 31k
- Elevation
- 1,852 m

When is the best time to visit Bayankhongor?
For sunshine, the best time to visit Bayankhongor is June, then August and July. The dullest month is January (0/100, 2 mm of rain). The full month-by-month picture is in the table below.
How sunny is Bayankhongor?
Bayankhongor is one of the sunniest places on Earth: about 3,253 hours of sunshine a year. 91 Sunshine Score points separate June (91) from January (0), so the month you pick matters. It ranks #5 of 12 destinations in Mongolia for annual sunshine, above the national median of 3,222 hours. Rain is strongly seasonal here: roughly 68% of the year's 194 mm falls in the three months around July.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 0 | -12° / 10°F | -22° / -8°F | 2 mm | 1 |
| February | 0 | -8° / 18°F | -20° / -4°F | 3 mm | 2 |
| March | 0 | 1° / 34°F | -12° / 10°F | 5 mm | 3 |
| April | 16 | 10° / 50°F | -3° / 27°F | 8 mm | 5 |
| May | 71 | 17° / 63°F | 2° / 36°F | 17 mm | 6 |
| June | 91 | 23° / 73°F | 9° / 48°F | 39 mm | 7 |
| July | 89 | 25° / 77°F | 12° / 54°F | 49 mm | 7 |
| August | 91 | 23° / 73°F | 9° / 48°F | 43 mm | 6 |
| September | 64 | 16° / 61°F | 2° / 36°F | 17 mm | 5 |
| October | 0 | 6° / 43°F | -5° / 23°F | 5 mm | 3 |
| November | 0 | -3° / 27°F | -13° / 9°F | 3 mm | 1 |
| December | 0 | -11° / 12°F | -20° / -4°F | 3 mm | 1 |
See Bayankhongor on the interactive sunshine globe →
Nearby places for sunshine
- Ulaanbaatar (Sergelen) Mongolia · 493 km · best in Jun · 3,261 h sun/yr
- Hami China · 669 km · best in Apr · 3,311 h sun/yr
- Jiayuguan China · 727 km · best in May · 2,993 h sun/yr
- Irkutsk Russia · 729 km · best in Jun · 2,466 h sun/yr
- Ulan Ude Russia · 797 km · best in Jun · 2,485 h sun/yr
- Dunhuang China · 820 km · best in Apr · 3,390 h sun/yr
Nearest destinations
- Arvaikheer Mongolia · 162 km · 3,201 h sun/yr · best in Jun
- Altai Mongolia · 345 km · 3,327 h sun/yr · best in Jun
- Uliastai Mongolia · 361 km · 3,273 h sun/yr · best in Jun
- Bulgan Mongolia · 365 km · 3,101 h sun/yr · best in Jun
- Mörön Mongolia · 392 km · 3,015 h sun/yr · best in Jun
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