Photo: Mongolia Expeditions… · CC BY 3.0 · Wikimedia Commons
ÖlgiiReport this photo · linked, not stored
ÖlgiiReport this photo · linked, not stored
Climate guideThirty-year normals for Ölgii
Ölgii climate by month
Cold desert · BWkBest Jun–Aug
Annual mean-1°day and night
Seasonal swing34°warmest vs coolest
Precipitation111 mm37 wet days a year
48.97° N, 89.96° EElevation 1,715 mUTC+7 · Khovd Standard Time
When to goÖlgii · weather score
Best timeJun–Aug
October: high / low5° / -7°
iSummary
What the weather is like
Ölgii has a cold desert climate (Köppen BWk): very little rain and intense sun.
The warmest month is July, when afternoons average 22° and nights 10°. January is the coolest month, with highs of -12° and lows of -25°. The difference between the warmest and the coolest month is about 34°, a large swing typical of continental interiors.
About 111 mm of precipitation falls in an average year. July is the wettest month (29 mm, 8 wet days) and January the driest (1 mm, 0 wet days). Cloud cover ranges from 22% in September to 32% in June.
Compared with Ulaanbaatar, the capital, Ölgii is 1.3° cooler on a July afternoon and receives less precipitation over the year.
Year in figures
- Hottest afternoons
- 22° · July
- Coldest nights
- -25° · January
- Wettest month
- July
- Driest month
- January
- Clearest skies
- September · 22% cloud
- Longest day
- 16 h 10 min
- Shortest day
- 8 h 16 min
iiCharts
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columnsTemperature curve
Average high, lowDaylight
Hours between sunrise and sunset on the 15th of each monthiiiData table
Climate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | -12° | -7° | 0° | 8° | 15° | 20° | 22° | 20° | 14° | 5° | -5° | -11° |
| Average low | -25° | -23° | -15° | -5° | 2° | 8° | 10° | 8° | 2° | -7° | -17° | -23° |
| Precipitation | 1 mm | 1 mm | 2 mm | 4 mm | 10 mm | 25 mm | 29 mm | 23 mm | 9 mm | 3 mm | 2 mm | 2 mm |
| Wet days (≥1 mm) | 0 | 0.2 | 0.8 | 2.3 | 4.7 | 5 | 8.2 | 7.7 | 4.8 | 2 | 0.8 | 0.8 |
| Cloud cover | 23% | 23% | 25% | 27% | 28% | 32% | 31% | 26% | 22% | 22% | 23% | 24% |
| Daylight | 8h 40 | 10h 10 | 11h 49 | 13h 40 | 15h 16 | 16h 10 | 15h 49 | 14h 26 | 12h 40 | 10h 53 | 9h 12 | 8h 16 |
| Month score | 58 | 58 | 56 | 53 | 73 | 87 | 80 | 82 | 68 | 53 | 56 | 56 |
ivMonth by month
Ölgii in every month
January58
-12° / -25°
1 mm · 0 wet days
February58
-7° / -23°
1 mm · 0.2 wet days
March56
0° / -15°
2 mm · 0.8 wet day
April53
8° / -5°
4 mm · 2.3 wet days
May73
15° / 2°
10 mm · 4.7 wet days
June87
20° / 8°
25 mm · 5 wet days
July80
22° / 10°
29 mm · 8.2 wet days
August82
20° / 8°
23 mm · 7.7 wet days
September68
14° / 2°
9 mm · 4.8 wet days
October53
5° / -7°
3 mm · 2 wet days
November56
-5° / -17°
2 mm · 0.8 wet day
December56
-11° / -23°
2 mm · 0.8 wet day