Mongolia Weather
Mongolia Weather by Month
3-Day Weather Forecast of Major Destinations
Ulaanbaatar
Erdenet
Darkhan
Bayankhongor
Hovd
Choibalsan
Mongolia Climate & Weather Facts
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Climatic Zones: temperate grassy climate, temperate coniferous forest
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Climatic Features: winter is cold and summer is hot, it has a large annual temperature difference.
- Average Temperature: -25 - 25℃ (-13 - 77℉)
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Warmest Month: July
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Coolest Month: January
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What is the weather like in Mongolia?
Most areas of Mongolia belong to temperate grassy climate, with obvious seasonal changes, the winter is long and have frequent blizzards. Summer is short, the temperature difference between day and night is pretty large. Spring and autumn are short. The frost-free period is about from June to September, with only 90 to 110 days. In addition, Mongolia has little rainfall with an annual average precipitation of 120-250mm (4.7-9.8in). 70% of the rainfall are concentrated in July and August. Northwest Mongolia has a temperate coniferous forest climate with many peaks covered with snow all year round.
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Best time to visit: July to August
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See also: Ulaanbaatar Weather
If you plan to visit Mongolia in 2025, please read Best Private Mongolia Tours 2025 & 2026.
Mongolia Seasons - Temperature & Clothing Guide
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Spring
May - June
Temperature:
-13- 1℃ (8.6 - 33.8℉)
Clothes to Wear:
Sweaters, winter pants, thick overcoats, down jackets, hats.
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Summer
July - AugustTemperature:
9- 22℃ (48.2 - 71.6℉)
Clothes to Wear:
T-shirts, shorts, dresses, skirts, jackets, windbreakers.
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Autumn
September - NovemberTemperature:
3- 16℃ (37.4 - 60.8℉)
Clothes to Wear:
Long sleeve shirts, sweater, hoodies, jeans.
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Winter
December - April
Temperature:
-20 - -8℃ (-4 - 17.6℉)
Clothes to Wear:
Wool sweaters, trench coats, padded jacket, winter pants, masks.
Monthly Weather of Mongolia - Temperature & Rainfall
oC
oF
Regional Weather of Mongolia
oC
oF
Ulan Bator
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| High Temp. (oCF) | -147 | -916 | -131 | 948 | 1762 | 2169 | 2271 | 1966 | 1457 | 846 | -327 | -1211 |
| Low Temp. (oCF) | -25-13 | -22-7 | -147 | -523 | 235 | 846 | 1050 | 846 | 235 | -523 | -147 | -22-7 |
| Rainfall (mm) | 2 | 2 | 3 | 8 | 13 | 51 | 66 | 76 | 32 | 8 | 5 | 3 |
Erdenet
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| High Temp. (oCF) | -1113 | -720 | -131 | 948 | 1762 | 2169 | 2271 | 2068 | 1559 | 846 | -327 | -916 |
| Low Temp. (oCF) | -22-7 | -20-4 | -139 | -523 | 235 | 846 | 1050 | 948 | 235 | -523 | -147 | -19-2 |
| Rainfall (mm) | 2 | 2 | 6 | 13 | 21 | 72 | 106 | 85 | 40 | 12 | 8 | 4 |
Darkhan
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| High Temp. (oCF) | -164 | -1014 | 133 | 1253 | 2068 | 2577 | 2678 | 2475 | 1864 | 1050 | -327 | -1211 |
| Low Temp. (oCF) | -31-23 | -26-14 | -147 | -523 | 235 | 948 | 1355 | 1050 | 235 | -622 | -172 | -26-14 |
| Rainfall (mm) | 4 | 3 | 3 | 9 | 20 | 57 | 87 | 82 | 41 | 14 | 6 | 5 |