Climate Insights for Underkhaan

Hentiy Aymag, Mongolia

Hottest
July
27°C peak
Coldest
January
-28°C low
Wettest
July
77mm rain
Best to Visit
June, July, August
Mild temps & low rain

Climate Overview

The climate in Underkhaan is cold. The average annual temperature is 1°C and approximately 262mm of precipitation falls per year. July is the wettest month, receiving around 77mm of rainfall. Underkhaan is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, June, August. The coldest months are January, December, February, when temperatures can drop to -28°C. Light snow can occur between January and December.

Temperature

-30° -20° -10° 0° 10° 20° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: -15° Average: -21° Min: -28° Feb Max: -9° Average: -17° Min: -25° Mar Max: 3° Average: -4° Min: -11° Apr Max: 12° Average: 5° Min: -2° May Max: 19° Average: 12° Min: 5° Jun Max: 25° Average: 19° Min: 12° Jul Max: 27° Average: 21° Min: 15° Aug Max: 23° Average: 18° Min: 13° Sep Max: 19° Average: 12° Min: 6° Oct Max: 8° Average: 1° Min: -5° Nov Max: -4° Average: -11° Min: -17° Dec Max: -14° Average: -19° Min: -25°
Max
Average
Min

Underkhaan has a wide annual temperature range, spanning 55°C from the coldest to warmest months. The warmest month is July, when average highs reach 27°C and the mean temperature sits around 21°C. January brings the harshest conditions, with lows dropping to -28°C and an average temperature of -21°C. On average, daily temperatures fluctuate by about 13°C between overnight lows and afternoon highs. The sharpest temperature change occurs between February and March, with a 13°C shift in average temperatures.

Precipitation

0mm 25mm 50mm 75mm 100mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 2mm Snow: 2mm Feb Precipitation: 1mm Snow: 1mm Mar Precipitation: 5mm Snow: 5mm Apr Precipitation: 8mm Snow: 5mm May Precipitation: 20mm Snow: 4mm Jun Precipitation: 32mm Snow: 0mm Jul Precipitation: 77mm Snow: 0mm Aug Precipitation: 62mm Snow: 0mm Sep Precipitation: 31mm Snow: 4mm Oct Precipitation: 10mm Snow: 6mm Nov Precipitation: 11mm Snow: 10mm Dec Precipitation: 3mm Snow: 3mm
Precipitation
Snow

Underkhaan is a quite dry location, receiving approximately 262mm of precipitation annually, which averages out to around 22mm per month. The wettest month is July, averaging 77mm of rainfall. August and June also tend to see above-average precipitation. The driest month is February, with just 1mm. That's 75mm less than July, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Light snowfall can occur between January and December, totalling around 41cm annually. November is the snowiest month with approximately 10cm.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 11km/h Feb Wind Speed: 11km/h Mar Wind Speed: 13km/h Apr Wind Speed: 15km/h May Wind Speed: 16km/h Jun Wind Speed: 12km/h Jul Wind Speed: 10km/h Aug Wind Speed: 10km/h Sep Wind Speed: 12km/h Oct Wind Speed: 12km/h Nov Wind Speed: 12km/h Dec Wind Speed: 11km/h
Wind Speed

Underkhaan is mildly breezy, with an average annual wind speed of 12km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is May, averaging 16km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 10km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 6km/h gap between the calmest and windiest months.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

87 days until Winter

It is currently autumn in Underkhaan, which began on September 23, 2026. Underkhaan is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 27°C, while the coldest stretch bottoms out in January near -28°C. Winter is next, beginning on December 21, 2026 (87 days from now).

Spring

Temperatures range from -11 to 19°C. Precipitation is minimal, with only around 33mm for the entire season. Winds are generally light, averaging 15km/h. Light layers work well as temperatures warm through the season. It is a great time to be outdoors.

Summer

Temperatures range from 12 to 27°C. Precipitation is moderate at around 170mm for the season, averaging 57mm per month. Winds are generally light, averaging 11km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from -17 to 19°C. Rainfall is relatively light, with around 52mm over the season and a monthly average of 17mm. Expect around 21cm of snow accumulation during this period. Winds are generally light, averaging 12km/h. Layered clothing works best as temperatures gradually cool. Enjoy the crisp air and changing scenery.

Winter

Temperatures range from -28 to -9°C. Precipitation is minimal, with only around 7mm for the entire season. Expect around 6cm of snow accumulation during this period. Winds are generally light, averaging 11km/h. Heavy layering and insulated outerwear are essential. Exposed skin should be minimised outdoors.

Best Time to Visit

Jan -21°
Feb -17°
Mar -4°
Apr 5°
May 12°
Jun 19°
Jul 21°
Aug 18°
Sep 12°
Oct 1°
Nov -11°
Dec -19°

The best time to visit Underkhaan is during June, July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 57mm per month. By contrast, January can be quite cold with temperatures dropping to -28°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

Monthly Climate Data

The table below shows monthly climate averages for Underkhaan based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
-28 °C
-15 °C
11 km/h
2 mm
2 cm
Feb
-25 °C
-9 °C
11 km/h
1 mm
1 cm
Mar
-11 °C
3 °C
13 km/h
5 mm
5 cm
Apr
-2 °C
12 °C
15 km/h
8 mm
5 cm
May
5 °C
19 °C
16 km/h
20 mm
4 cm
Jun
12 °C
25 °C
12 km/h
32 mm
0 cm
Jul
15 °C
27 °C
10 km/h
77 mm
0 cm
Aug
13 °C
23 °C
10 km/h
62 mm
0 cm
Sep Current
6 °C
19 °C
12 km/h
31 mm
4 cm
Oct
-5 °C
8 °C
12 km/h
10 mm
6 cm
Nov
-17 °C
-4 °C
12 km/h
11 mm
10 cm
Dec
-25 °C
-14 °C
11 km/h
3 mm
3 cm
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Metric (°C, km/h)