Arvaikheer weather by month & the best time to visit
🇲🇳 Mongolia · small town · semi-arid climate
The best time to visit Arvaikheer is June — its sunniest month (Sunshine Score 89/100), with August and July close behind. Arvaikheer averages about 3,201 hours of sunshine a year. Daytime highs around 22°C / 72°F and roughly 51 mm of rain in June.
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- Sun hours / year
- 3,201
- Sunniest month
- June
- Peak score
- 89/100
- Rain / year
- 263 mm
- Snow / year
- ≈69 cm
- Midday UV at peak
- 7 (high)
- Population
- 29k
- Elevation
- 1,787 m
When is the best time to visit Arvaikheer?
For sunshine, the best time to visit Arvaikheer 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 Arvaikheer?
Arvaikheer is one of the sunniest places on Earth: about 3,201 hours of sunshine a year. 89 Sunshine Score points separate June (89) from January (0), so the month you pick matters. It ranks #7 of 12 destinations in Mongolia for annual sunshine, below the national median of 3,222 hours. Rain is strongly seasonal here: roughly 70% of the year's 263 mm falls in the three months around July.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 0 | -11° / 12°F | -22° / -8°F | 2 mm | 1 |
| February | 0 | -7° / 19°F | -20° / -4°F | 3 mm | 2 |
| March | 0 | 1° / 34°F | -12° / 10°F | 6 mm | 3 |
| April | 8 | 9° / 48°F | -4° / 25°F | 10 mm | 5 |
| May | 63 | 16° / 61°F | 1° / 34°F | 21 mm | 6 |
| June | 89 | 22° / 72°F | 7° / 45°F | 51 mm | 7 |
| July | 84 | 24° / 75°F | 10° / 50°F | 76 mm | 7 |
| August | 87 | 22° / 72°F | 8° / 46°F | 58 mm | 6 |
| September | 63 | 16° / 61°F | 1° / 34°F | 20 mm | 5 |
| October | 0 | 6° / 43°F | -5° / 23°F | 8 mm | 3 |
| November | 0 | -2° / 28°F | -13° / 9°F | 5 mm | 1 |
| December | 0 | -10° / 14°F | -20° / -4°F | 3 mm | 1 |
See Arvaikheer on the interactive sunshine globe →
Nearby places for sunshine
- Ulaanbaatar (Sergelen) Mongolia · 342 km · best in Jun · 3,261 h sun/yr
- Irkutsk Russia · 679 km · best in Jun · 2,466 h sun/yr
- Ulan Ude Russia · 704 km · best in Jun · 2,485 h sun/yr
- Wuhai China · 788 km · best in May · 3,229 h sun/yr
- Jiayuguan China · 797 km · best in May · 2,993 h sun/yr
- Hami China · 816 km · best in Apr · 3,311 h sun/yr
Nearest destinations
- Bayankhongor Mongolia · 162 km · 3,253 h sun/yr · best in Jun
- Mandalgobi Mongolia · 274 km · 3,351 h sun/yr · best in May
- Bulgan Mongolia · 294 km · 3,101 h sun/yr · best in Jun
- Dalanzadgad Mongolia · 319 km · 3,243 h sun/yr · best in May
- Mörön Mongolia · 430 km · 3,015 h sun/yr · best in Jun
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