Darhan, Mongolia experiences average highs of 9°C (48°F) and lows of -3°C (27°F) throughout the year. The climate is relatively dry, with only 5 rainy days per month on average. Sunshine is abundant, averaging about 9 hours per day. Average highs have warmed by 1.1°C (2.0°F) across the available records.
Darhan, Mongolia Weather & Climate 2026
Monthly climate averages for Darhan, Mongolia. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: May–Sep At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
4.8/10
Best: June, July, August
UV Index
3
Low
Temperature 9°C / -3°C
Feels Like 5°C / -7°C
Rainy Days 5
Rainfall 27 mm
Sunshine 9 h
Humidity 56%
Wind Speed 15 km/h
Dew Point -5°C
Snow Days 5 days
Frost Days 22 days
Hottest Month
27°C
July
Avg Low16°C
Rain11days
Coldest Month
-24°C
January
Avg High-12°C
Rain1days
Driest Month
1days
January
Avg High-12°C
Avg Low-24°C
Windiest Month
20 km/h
May (Gusts 41)
Worst Time to Visit
Consider avoiding January, October, November, December due to very cold temperatures.
Sun Position
Sunrise 04:51
Daylight 16.3h
Sunset 21:06
Live conditions—
Darhan on the map · live conditions
Darhan, Mongolia
- Continent
- Asia
- Country
- Mongolia
- City
- Darhan
- Population
- 83.9K
- Coordinates
- 49.49°, 105.92°
Seasonal Breakdown
Spring
Mar–May
Avg High 12°C
Avg Low -1°C
Rain 4 days/mo
Summer
Jun–Aug
Avg High 26°C
Avg Low 15°C
Rain 10 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 8°C
Avg Low -3°C
Rain 5 days/mo
Winter
Dec–Feb
Avg High -10°C
Avg Low -22°C
Rain 1 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: -12°C / -24°C . Feb: -7°C / -21°C . Mar: 5°C / -8°C . Apr: 12°C / -1°C . May: 19°C / 5°C . Jun: 26°C / 14°C . Jul: 27°C / 16°C . Aug: 24°C / 14°C . Sep: 18°C / 7°C . Oct: 8°C / -3°C . Nov: -2°C / -12°C . Dec: -11°C / -21°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 2 mm. Feb: 2 mm. Mar: 8 mm. Apr: 15 mm. May: 24 mm. Jun: 55 mm. Jul: 74 mm. Aug: 74 mm. Sep: 45 mm. Oct: 16 mm. Nov: 10 mm. Dec: 4 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 68%. Feb: 67%. Mar: 43%. Apr: 40%. May: 40%. Jun: 48%. Jul: 58%. Aug: 64%. Sep: 63%. Oct: 59%. Nov: 57%. Dec: 63%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 12 km/h . Feb: 13 km/h . Mar: 17 km/h . Apr: 19 km/h . May: 20 km/h . Jun: 17 km/h . Jul: 14 km/h . Aug: 14 km/h . Sep: 16 km/h . Oct: 15 km/h . Nov: 15 km/h . Dec: 12 km/h .
Sunshine
Sunshine
Sunshine: Jan: 7h. Feb: 9h. Mar: 10h. Apr: 11h. May: 12h. Jun: 12h. Jul: 11h. Aug: 11h. Sep: 9h. Oct: 8h. Nov: 7h. Dec: 6h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 1. Feb: UV 2. Mar: UV 3. Apr: UV 5. May: UV 5. Jun: UV 6. Jul: UV 6. Aug: UV 5. Sep: UV 3. Oct: UV 2. Nov: UV 2. Dec: UV 1.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow DaysSnowfall
Snow Days: Jan: 5 days. Feb: 4 days. Mar: 6 days. Apr: 6 days. May: 3 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 1 days. Oct: 5 days. Nov: 9 days. Dec: 5 days.
Climate Trends
Average highs have warmed by 1.1°C (2.0°F) across the available records. Average rainfall has remained broadly steady.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jul 2025 · 29°C | Jul · 27°C |
| Coldest month | Dec 2025 · -25°C | Jan · -24°C |
| Wettest month | Aug 2025 · 102 mm | Jul · 74 mm |
| Windiest month | Apr 2025 · 22 km/h | May · 20 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Poor April
Poor May
Fair June best
Excellent July best
Excellent August best
Excellent September
Good October
Poor November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | -12°C / -24°C | -17°C / -29°C | 1days (2 mm) Excellent | 6.9h Fair | 68% Muggy | 1.3 Low | Poor | View Details |
| February | -7°C / -21°C | -12°C / -27°C | 1days (2 mm) Excellent | 8.5h Good | 67% Muggy | 2.2 Moderate | Poor | View Details |
| March | 5°C / -8°C | 0°C / -13°C | 3days (8 mm) Excellent | 9.8h Good | 43% Moderate | 3.3 Moderate | Poor | View Details |
| April | 12°C / -1°C | 8°C / -5°C | 4days (15 mm) Good | 11h Excellent | 40% Comfortable | 4.6 Moderate | Poor | View Details |
| May | 19°C / 5°C | 15°C / 2°C | 6days (24 mm) Good | 11.9h Excellent | 40% Comfortable | 5.3 High | Fair | View Details |
| June best | 26°C / 14°C | 24°C / 12°C | 9days (55 mm) Wet | 12h Excellent | 48% Moderate | 5.8 High | Excellent | View Details |
| July best | 27°C / 16°C | 27°C / 16°C | 11days (74 mm) Wet | 11.2h Excellent | 58% Moderate | 5.5 High | Excellent | View Details |
| August best | 24°C / 14°C | 24°C / 13°C | 11days (74 mm) Wet | 10.6h Excellent | 64% Muggy | 4.7 Moderate | Excellent | View Details |
| September | 18°C / 7°C | 16°C / 4°C | 9days (45 mm) Wet | 9.4h Good | 63% Muggy | 3.3 Moderate | Good | View Details |
| October | 8°C / -3°C | 4°C / -7°C | 4days (16 mm) Good | 8.3h Good | 59% Moderate | 2.4 Moderate | Poor | View Details |
| November | -2°C / -12°C | -7°C / -17°C | 3days (10 mm) Excellent | 6.7h Fair | 57% Moderate | 1.5 Low | Poor | View Details |
| December | -11°C / -21°C | -16°C / -26°C | 1days (4 mm) Excellent | 6.1h Fair | 63% Muggy | 1 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Darhan are June, July, August, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Darhan, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Darhan is July, with average daytime highs of 27°C (81°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Darhan is January, with average overnight lows of -24°C (-11°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Darhan is July, averaging 74mm of precipitation across 11 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Darhan runs through July, August, with the heaviest rainfall in July. Based on 10-year averages for Darhan.
Darhan receives approximately 112 sunshine hours per year. The sunniest month is June with around 12 hours. Based on climate data for Darhan.
The least favorable months to visit Darhan are January, October, November, December, primarily due to very cold temperatures. For the best conditions, consider June, July, August instead.
The annual average UV index in Darhan is 3, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Darhan is 56%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Darhan receives snow. Months with snowfall average 5 snow days and 5 cm (2 in) of accumulation, with about 22 frost days during winter.
Average wind speeds in Darhan are 15 km/h (9 mph). The windiest month is May with peak winds reaching 20 km/h (13 mph) (gusts up to 41 km/h / 26 mph).
Darhan averages 6 clear-sky days per month with overall cloud cover around 50%. The clearest skies occur in January.
The annual average dew point in Darhan is -5°C (23°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Darhan has a Cold Semi-Arid climate, classified as BSk under the Köppen system. Arid climates have very low rainfall relative to temperature, with large swings between daytime heat and cool nights.
The 'feels like' temperature in Darhan ranges from -7°C (19°F) to 5°C (41°F) on average. Wind chill makes winters feel noticeably colder than the actual temperature — layered clothing is recommended.
Yes, June is a great time to visit Darhan. It earns a climate score of 8.8/10 with Excellent.
For June in Darhan, pack Umbrella, Breathable clothing, Sunscreen (SPF 30+), Sun hat, Sunglasses. With average highs of 26°C (79°F) and 9 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
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