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.
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 |
Nearest destinations
Arvaikheer: questions and answers
What kind of destination is Arvaikheer?
Arvaikheer is a small town in Mongolia at 1,787 m elevation with a semi-arid climate.
How many hours of sunshine does Arvaikheer get a year?
Arvaikheer gets about 3,201 hours of sunshine a year, at its best around June.
When is the best time to visit Arvaikheer?
The sunniest time to visit Arvaikheer is June, when the Sunshine Score peaks at 89/100 (with August and July close behind). Expect daytime highs around 22°C / 72°F.
What is the least sunny month in Arvaikheer?
January is the least sunny month in Arvaikheer, scoring 0/100 with about 2 mm of rain.
How strong is the sun in Arvaikheer?
The typical midday UV index in Arvaikheer peaks around 7 (high) in June, easing to about 1 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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