Climate Insights for Ölgii Airport

, Bayan-Ölgiy Aymag, Mongolia

Hottest
July
21°C peak
Coldest
January
-29°C low
Wettest
July
43mm rain
Best to Visit
July
Mild temps & low rain

Climate Overview

The climate in Ölgii Airport is cold. The average annual temperature is -2°C and approximately 159mm of precipitation falls per year. July is the wettest month, receiving around 43mm of rainfall. Ölgii Airport 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 -29°C. Light snow can occur between February and December.

Temperature

-30° -20° -10° 10° 20° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: -16° Average: -23° Min: -29° Feb Max: -11° Average: -18° Min: -25° Mar Max: -2° Average: -8° Min: -15° Apr Max: 7° Average: 2° Min: -5° May Max: 14° Average: 8° Min: 2° Jun Max: 20° Average: 14° Min: 8° Jul Max: 21° Average: 16° Min: 10° Aug Max: 19° Average: 14° Min: 7° Sep Max: 13° Average: 7° Min: 0° Oct Max: 3° Average: -3° Min: -9° Nov Max: -8° Average: -14° Min: -19° Dec Max: -17° Average: -22° Min: -27°
Max
Average
Min

Ölgii Airport has a wide annual temperature range, spanning 50°C from the coldest to warmest months. July is the warmest month, though highs remain moderate at 21°C with a mean of 16°C. January brings the harshest conditions, with lows dropping to -29°C and an average temperature of -23°C. On average, daily temperatures fluctuate by about 12°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 11°C shift in average temperatures.

Precipitation

0mm 25mm 50mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 1mm Snow: 1mm Feb Precipitation: 1mm Snow: 1mm Mar Precipitation: 6mm Snow: 5mm Apr Precipitation: 7mm Snow: 3mm May Precipitation: 18mm Snow: 4mm Jun Precipitation: 29mm Snow: 0mm Jul Precipitation: 43mm Snow: 0mm Aug Precipitation: 26mm Snow: 1mm Sep Precipitation: 16mm Snow: 4mm Oct Precipitation: 5mm Snow: 4mm Nov Precipitation: 3mm Snow: 3mm Dec Precipitation: 2mm Snow: 1mm
Precipitation
Snow

Ölgii Airport is a quite dry location, receiving approximately 159mm of precipitation annually, which averages out to around 13mm per month. The wettest month is July, averaging 43mm of rainfall. June and August also tend to see above-average precipitation. The driest month is January, with just 1mm. That's 42mm 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 February and December, totalling around 28cm annually. March is the snowiest month with approximately 5cm.

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: 8km/h Feb Wind Speed: 10km/h Mar Wind Speed: 15km/h Apr Wind Speed: 18km/h May Wind Speed: 18km/h Jun Wind Speed: 15km/h Jul Wind Speed: 14km/h Aug Wind Speed: 14km/h Sep Wind Speed: 15km/h Oct Wind Speed: 12km/h Nov Wind Speed: 10km/h Dec Wind Speed: 8km/h
Wind Speed

Ölgii Airport is mildly breezy, with an average annual wind speed of 13km/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 18km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 8km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 10km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to pick up during the summer months. The seasonal averages are 8km/h in winter, 17km/h in spring, 14km/h in summer, 12km/h in autumn.

Seasons

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

89 days until Summer

It is currently spring in Ölgii Airport, which began on March 20, 2026. Ölgii Airport 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 21°C, while the coldest stretch bottoms out in January near -29°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

Spring

Temperatures range from -15 to 14°C. Precipitation is minimal, with only around 32mm for the entire season. Winds are moderate at around 17km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 7 to 21°C. Rainfall is relatively light, with around 98mm over the season and a monthly average of 33mm. Winds are generally light, averaging 14km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from -19 to 13°C. Precipitation is minimal, with only around 24mm for the entire season. Expect around 11cm 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 -29 to -11°C. Precipitation is minimal, with only around 4mm for the entire season. Winds are generally light, averaging 8km/h. Heavy layering and insulated outerwear are essential — exposed skin should be minimised outdoors.

Best Time to Visit

Jan -23°
Feb -18°
Mar -8°
Apr
May
Jun 14°
Jul 16°
Aug 14°
Sep
Oct -3°
Nov -14°
Dec -22°

The best time to visit Ölgii Airport is during July, when the weather is most comfortable for travellers. During these months, average temperatures hover around 16°C with modest rainfall averaging 43mm per month. By contrast, January can be quite cold with temperatures dropping to -29°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 Ölgii Airport 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
-29 °C
-16 °C
8 km/h
1 mm
1 cm
Feb
-25 °C
-11 °C
10 km/h
1 mm
1 cm
Mar Current
-15 °C
-2 °C
15 km/h
6 mm
5 cm
Apr
-5 °C
7 °C
18 km/h
7 mm
3 cm
May
2 °C
14 °C
18 km/h
18 mm
4 cm
Jun
8 °C
20 °C
15 km/h
29 mm
0 cm
Jul
10 °C
21 °C
14 km/h
43 mm
0 cm
Aug
7 °C
19 °C
14 km/h
26 mm
1 cm
Sep
0 °C
13 °C
15 km/h
16 mm
4 cm
Oct
-9 °C
3 °C
12 km/h
5 mm
4 cm
Nov
-19 °C
-8 °C
10 km/h
3 mm
3 cm
Dec
-27 °C
-17 °C
8 km/h
2 mm
1 cm
Airpult

Get accurate weather forecasts worldwide with real-time updates and severe weather alerts. Covering 6M+ locations with precise, reliable weather data.

© 2026 Samuenti GmbH. All rights reserved.

gb English
Metric (°C, km/h)