Olgii, Bayan Olgii, Mongolia Climate Change Severity

62
Very High
The current climate change severity in Olgii is Very High, with a 16.3% worsening in the climate score compared to last 15 years. This suggests deteriorating conditions, with increasing negative impacts on weather patterns and environmental conditions.
Data: Jan. to Jul. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Olgii Weather Condition Changes (Historic Vs 2025)

2025
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Historic
2025

Over the past 15 year(s), Olgii temperature has changed by around +83.5%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty
Data: Jan. to Jul. (Historical Vs 2025)

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
6551
-21.5%
cloudyCloudy
6958
-15.9%
rainyRainy
5641
-26.7%
snowySnowy
10
-100%
mistyMisty
00
0%

Disclaimer: Other weather conditions not shown may affect the total day count.

Climate Change Indicators:

Over the past 15 years, Olgii has experienced measurable shifts in key climate parameters, contributing to the current severity score of 62 (within the Very High severity category). This suggests worsening climate conditions from the previous years. Here’s a breakdown of the specific changes observed:

Severity Score

62/100

Very High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Olgii experienced significant changes:

Temperature change of

+0.8 °C

Variation in annual rainfall

-49.6 %

Change in average humidity

-6.1 %

PM2.5 levels surged by

-15.9 %

Heatwave changed by

-8.6 day(s)

Coldwave changed by

-4.4 day(s)

Wind speeds changed by

+6.9 km/h

These indicators show a dramatic increase in volatility and worsening conditions. Olgii's Very High severity status requires urgent and immediate adaptation and mitigation strategies, particularly focused on managing extreme weather events, improving air quality, and ensuring water resources are adequate for the population.

Check how we calculate Climate Change Severity
Based on data from Jan. to Jul.

Olgii Weather Forecast 30 Days (August - September 2025)
Olgii, Bayan Olgii, Mongolia

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Mon. 4, Aug.
sunnySunny
Temperature Icon18°/6°
Humidity Icon45%
Wind Icon48km/h
Tue. 5, Aug.
sunnySunny
Temperature Icon19°/8°
Humidity Icon24%
Wind Icon45km/h
Wed. 6, Aug.
sunnySunny
Temperature Icon19°/8°
Humidity Icon23%
Wind Icon45km/h
Thu. 7, Aug.
sunnySunny
Temperature Icon21°/10°
Humidity Icon24%
Wind Icon37km/h
Fri. 8, Aug.
sunnySunny
Temperature Icon22°/12°
Humidity Icon29%
Wind Icon49km/h
Sat. 9, Aug.
sunnySunny
Temperature Icon18°/7°
Humidity Icon39%
Wind Icon52km/h
Sun. 10, Aug.
sunnySunny
Temperature Icon14°/5°
Humidity Icon42%
Wind Icon53km/h
Mon. 11, Aug.
partly cloudyPartly Cloudy
Temperature Icon13°/5°
Humidity Icon36%
Wind Icon19km/h
Tue. 12, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon14°/7°
Humidity Icon44%
Wind Icon25km/h
Wed. 13, Aug.
sunnySunny
Temperature Icon18°/8°
Humidity Icon29%
Wind Icon33km/h
Thu. 14, Aug.
sunnySunny
Temperature Icon14°/8°
Humidity Icon47%
Wind Icon50km/h
Fri. 15, Aug.
sunnySunny
Temperature Icon17°/8°
Humidity Icon49%
Wind Icon28km/h
Sat. 16, Aug.
sunnySunny
Temperature Icon18°/8°
Humidity Icon45%
Wind Icon35km/h
Sun. 17, Aug.
sunnySunny
Temperature Icon19°/8°
Humidity Icon34%
Wind Icon34km/h
Mon. 18, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon15°/9°
Humidity Icon50%
Wind Icon14km/h
Tue. 19, Aug.
heavy rain at timesHeavy rain at times
Temperature Icon16°/10°
Humidity Icon47%
Wind Icon14km/h
Wed. 20, Aug.
moderate rain at timesModerate rain at times
Temperature Icon16°/10°
Humidity Icon43%
Wind Icon14km/h
Thu. 21, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon16°/10°
Humidity Icon43%
Wind Icon16km/h
Fri. 22, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon16°/10°
Humidity Icon41%
Wind Icon17km/h
Sat. 23, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon16°/10°
Humidity Icon43%
Wind Icon15km/h
Sun. 24, Aug.
moderate rain at timesModerate rain at times
Temperature Icon16°/10°
Humidity Icon43%
Wind Icon12km/h
Mon. 25, Aug.
moderate rain at timesModerate rain at times
Temperature Icon17°/11°
Humidity Icon44%
Wind Icon14km/h
Tue. 26, Aug.
moderate rain at timesModerate rain at times
Temperature Icon17°/11°
Humidity Icon44%
Wind Icon15km/h
Wed. 27, Aug.
heavy rain at timesHeavy rain at times
Temperature Icon17°/10°
Humidity Icon45%
Wind Icon18km/h
Thu. 28, Aug.
moderate rain at timesModerate rain at times
Temperature Icon16°/10°
Humidity Icon43%
Wind Icon13km/h
Fri. 29, Aug.
moderate rain at timesModerate rain at times
Temperature Icon16°/10°
Humidity Icon43%
Wind Icon15km/h
Sat. 30, Aug.
moderate rain at timesModerate rain at times
Temperature Icon16°/10°
Humidity Icon45%
Wind Icon14km/h
Sun. 31, Aug.
moderate rain at timesModerate rain at times
Temperature Icon16°/9°
Humidity Icon45%
Wind Icon14km/h
Mon. 1, Sep.
patchy rain possiblePatchy rain possible
Temperature Icon16°/9°
Humidity Icon41%
Wind Icon15km/h
Tue. 2, Sep.
heavy rain at timesHeavy rain at times
Temperature Icon16°/9°
Humidity Icon43%
Wind Icon16km/h
Wed. 3, Sep.
heavy rain at timesHeavy rain at times
Temperature Icon15°/8°
Humidity Icon44%
Wind Icon16km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onFri. 8, Aug.

21.8°C

Low will be onMon. 11, Aug.

4.9°C

HumidityHumidity

High will be onMon. 18, Aug.

50%

Low will be onWed. 6, Aug.

23%

Wind SpeedWind Speed

High will be onSun. 10, Aug.

52.6km/h

Low will be onSun. 24, Aug.

12.2km/h

PrecipitationPrecipitation

High will be onMon. 18, Aug.

3mm

Low will be onMon. 11, Aug.

0.02mm

Ultraviolet IndexUV

High will be onThu. 7, Aug.

5

Low will be onMon. 4, Aug.

1.9

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