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 (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
Tue. 19, Aug.
sunnySunny
Temperature Icon16°/6°
Humidity Icon44%
Wind Icon50km/h
Wed. 20, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon15°/6°
Humidity Icon47%
Wind Icon22km/h
Thu. 21, Aug.
sunnySunny
Temperature Icon17°/8°
Humidity Icon42%
Wind Icon21km/h
Fri. 22, Aug.
sunnySunny
Temperature Icon18°/7°
Humidity Icon44%
Wind Icon8km/h
Sat. 23, Aug.
partly cloudyPartly Cloudy
Temperature Icon19°/10°
Humidity Icon32%
Wind Icon14km/h
Sun. 24, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon17°/9°
Humidity Icon44%
Wind Icon36km/h
Mon. 25, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon12°/8°
Humidity Icon57%
Wind Icon14km/h
Tue. 26, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon18°/9°
Humidity Icon42%
Wind Icon11km/h
Wed. 27, Aug.
sunnySunny
Temperature Icon20°/12°
Humidity Icon34%
Wind Icon15km/h
Thu. 28, Aug.
sunnySunny
Temperature Icon23°/11°
Humidity Icon31%
Wind Icon19km/h
Fri. 29, Aug.
sunnySunny
Temperature Icon18°/10°
Humidity Icon40%
Wind Icon17km/h
Sat. 30, Aug.
sunnySunny
Temperature Icon16°/9°
Humidity Icon45%
Wind Icon26km/h
Sun. 31, Aug.
sunnySunny
Temperature Icon17°/9°
Humidity Icon37%
Wind Icon16km/h
Mon. 1, Sep.
sunnySunny
Temperature Icon21°/11°
Humidity Icon28%
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
Thu. 4, Sep.
patchy rain possiblePatchy rain possible
Temperature Icon15°/8°
Humidity Icon43%
Wind Icon16km/h
Fri. 5, Sep.
moderate rain at timesModerate rain at times
Temperature Icon14°/7°
Humidity Icon42%
Wind Icon16km/h
Sat. 6, Sep.
moderate rain at timesModerate rain at times
Temperature Icon14°/7°
Humidity Icon43%
Wind Icon16km/h
Sun. 7, Sep.
moderate rain at timesModerate rain at times
Temperature Icon13°/7°
Humidity Icon46%
Wind Icon16km/h
Mon. 8, Sep.
heavy rain at timesHeavy rain at times
Temperature Icon13°/7°
Humidity Icon45%
Wind Icon17km/h
Tue. 9, Sep.
patchy rain possiblePatchy rain possible
Temperature Icon13°/7°
Humidity Icon44%
Wind Icon22km/h
Wed. 10, Sep.
patchy rain possiblePatchy rain possible
Temperature Icon12°/6°
Humidity Icon43%
Wind Icon17km/h
Thu. 11, Sep.
patchy rain possiblePatchy rain possible
Temperature Icon12°/6°
Humidity Icon46%
Wind Icon17km/h
Sat. 13, Sep.
patchy rain possiblePatchy rain possible
Temperature Icon10°/4°
Humidity Icon39%
Wind Icon19km/h
Sun. 14, Sep.
patchy rain possiblePatchy rain possible
Temperature Icon10°/3°
Humidity Icon40%
Wind Icon16km/h
Mon. 15, Sep.
moderate rain at timesModerate rain at times
Temperature Icon10°/3°
Humidity Icon44%
Wind Icon15km/h
Tue. 16, Sep.
patchy rain possiblePatchy rain possible
Temperature Icon10°/4°
Humidity Icon46%
Wind Icon14km/h
Wed. 17, Sep.
moderate rain at timesModerate rain at times
Temperature Icon11°/4°
Humidity Icon48%
Wind Icon15km/h
Thu. 18, Sep.
moderate rain at timesModerate rain at times
Temperature Icon10°/4°
Humidity Icon43%
Wind Icon16km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onThu. 28, Aug.

23°C

Low will be onMon. 15, Sep.

3.2°C

HumidityHumidity

High will be onMon. 25, Aug.

57%

Low will be onMon. 1, Sep.

28%

Wind SpeedWind Speed

High will be onTue. 19, Aug.

50.4km/h

Low will be onFri. 22, Aug.

7.6km/h

PrecipitationPrecipitation

High will be onWed. 3, Sep.

1.1mm

Low will be onSat. 30, Aug.

0.02mm

Ultraviolet IndexUV

High will be onWed. 27, Aug.

5

Low will be onTue. 19, Aug.

1.7

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