Olgii, Bayan Olgii, Mongolia Climate Change Severity

76
Very High
The current climate change severity in Olgii is Very High, with a 33.1% worsening in the climate score compared to last 16 years. This suggests deteriorating conditions, with increasing negative impacts on weather patterns and environmental conditions.
Data: Jan. to Sep. (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100


Olgii Weather Condition Changes (Historic Vs 2026)

0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Historic
2026

Over the past 16 year(s), Olgii temperature has changed by around +20.6%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty
Data: Jan. to Sep. (Historical Vs 2026)

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
85152
78.8%

cloudyCloudy
8345
-45.7%

rainyRainy
7542
-44%

snowySnowy
26
200%

mistyMisty
00
0%

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

Climate Change Indicators:

Over the past 16 years, Olgii has experienced measurable shifts in key climate parameters, contributing to the current severity score of 76 (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

76/100


Very High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2026, Olgii experienced significant changes:

Temperature change of

+0.71 °C


Variation in annual rainfall

-22.15 %


Change in average humidity

-15 %


PM2.5 levels surged by

-71.34 %


Heatwave changed by

-13 Days


Coldwave changed by

-3 Days


Wind speeds changed by

+8.96 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 Sep.

Olgii Weather Forecast 30 Days (October - November 2026)
Olgii, Bayan Olgii, Mongolia


Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Sun. 4, Oct.
sunnySunny

Temperature Icon13°/-1°

Humidity Icon36%

Wind Icon9.4km/h
Mon. 5, Oct.
overcastOvercast

Temperature Icon13°/2°

Humidity Icon33%

Wind Icon14.8km/h
Tue. 6, Oct.
overcastOvercast

Temperature Icon13°/3°

Humidity Icon42%

Wind Icon49.7km/h
Wed. 7, Oct.
sunnySunny

Temperature Icon9°/0°

Humidity Icon39%

Wind Icon59.4km/h
Thu. 8, Oct.
sunnySunny

Temperature Icon8°/-5°

Humidity Icon45%

Wind Icon37.8km/h
Fri. 9, Oct.
overcastOvercast

Temperature Icon9°/-2°

Humidity Icon50%

Wind Icon52.6km/h
Sat. 10, Oct.
sunnySunny

Temperature Icon6°/-3°

Humidity Icon49%

Wind Icon34.9km/h
Sun. 11, Oct.
sunnySunny

Temperature Icon4°/-8°

Humidity Icon43%

Wind Icon9km/h
Mon. 12, Oct.
sunnySunny

Temperature Icon9°/-4°

Humidity Icon25%

Wind Icon8.3km/h
Tue. 13, Oct.
light freezing rainFreezing Rain

Temperature Icon5°/-2°

Humidity Icon52%

Wind Icon16.1km/h
Wed. 14, Oct.
light freezing rainFreezing Rain

Temperature Icon4°/-4°

Humidity Icon52%

Wind Icon13.5km/h
Thu. 15, Oct.
patchy moderate snowSnow

Temperature Icon3°/-4°

Humidity Icon51%

Wind Icon14.1km/h
Fri. 16, Oct.
light freezing rainFreezing Rain

Temperature Icon4°/-4°

Humidity Icon52%

Wind Icon14.7km/h
Sat. 17, Oct.
light freezing rainFreezing Rain

Temperature Icon4°/-3°

Humidity Icon53%

Wind Icon13.8km/h
Sun. 18, Oct.
light freezing rainFreezing Rain

Temperature Icon4°/-4°

Humidity Icon57%

Wind Icon15.2km/h
Mon. 19, Oct.
patchy moderate snowSnow

Temperature Icon2°/-5°

Humidity Icon58%

Wind Icon14.2km/h
Tue. 20, Oct.
light freezing rainFreezing Rain

Temperature Icon2°/-5°

Humidity Icon58%

Wind Icon14.6km/h
Wed. 21, Oct.
light freezing rainFreezing Rain

Temperature Icon2°/-5°

Humidity Icon58%

Wind Icon14.6km/h
Thu. 22, Oct.
light freezing rainFreezing Rain

Temperature Icon3°/-5°

Humidity Icon58%

Wind Icon15.3km/h
Fri. 23, Oct.
patchy moderate snowSnow

Temperature Icon3°/-5°

Humidity Icon59%

Wind Icon16.8km/h
Sat. 24, Oct.
light freezing rainFreezing Rain

Temperature Icon1°/-7°

Humidity Icon57%

Wind Icon17.1km/h
Sun. 25, Oct.
light freezing rainFreezing Rain

Temperature Icon0°/-7°

Humidity Icon57%

Wind Icon15.8km/h
Mon. 26, Oct.
light freezing rainFreezing Rain

Temperature Icon1°/-7°

Humidity Icon56%

Wind Icon14.8km/h
Tue. 27, Oct.
light freezing rainFreezing Rain

Temperature Icon1°/-6°

Humidity Icon60%

Wind Icon15.4km/h
Wed. 28, Oct.
light freezing rainFreezing Rain

Temperature Icon-1°/-7°

Humidity Icon61%

Wind Icon13.5km/h
Thu. 29, Oct.
light freezing rainFreezing Rain

Temperature Icon-1°/-9°

Humidity Icon61%

Wind Icon15.3km/h
Fri. 30, Oct.
light freezing rainFreezing Rain

Temperature Icon-1°/-9°

Humidity Icon59%

Wind Icon14.6km/h
Sat. 31, Oct.
light freezing rainFreezing Rain

Temperature Icon0°/-8°

Humidity Icon58%

Wind Icon15.7km/h
Sun. 1, Nov.
light freezing rainFreezing Rain

Temperature Icon0°/-9°

Humidity Icon60%

Wind Icon15km/h
Mon. 2, Nov.
light freezing rainFreezing Rain

Temperature Icon-1°/-8°

Humidity Icon57%

Wind Icon15.6km/h
Tue. 3, Nov.
light freezing rainFreezing Rain

Temperature Icon-1°/-10°

Humidity Icon57%

Wind Icon16.3km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onSun. 4, Oct.

13°C


Low will be onTue. 3, Nov.

-10°C

HumidityHumidity

High will be onWed. 28, Oct.

61%


Low will be onMon. 12, Oct.

25%

Wind SpeedWind Speed

High will be onWed. 7, Oct.

59.4km/h


Low will be onMon. 12, Oct.

8.3km/h

PrecipitationPrecipitation

High will be onMon. 19, Oct.

0.7mm


Low will be onTue. 6, Oct.

0.01mm

Ultraviolet IndexUV

High will be onSun. 4, Oct.

4


Low will be onTue. 13, Oct.

1