Olgii, Bayan Olgii, Mongolia Climate Change Severity
Very High
Olgii Weather Condition Changes (Historic Vs 2025)
Over the past 15 year(s), Olgii temperature has changed by around -4.1%, and has experienced notable climate changes.
Comparison of Weather Condition (Historic Vs 2025)
HistoricDays
Year 2025Days
Change
Sunny
Cloudy
Rainy
Snowy
MistyDisclaimer: 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
From 2010 to 2025, Olgii experienced significant changes:
Temperature change of
-0.1 °C
Variation in annual rainfall
-48.1 %
Change in average humidity
-3.7 %
PM2.5 levels surged by
-25.3 %
Heatwave changed by
-13.3 day(s)
Coldwave changed by
-2.3 day(s)
Wind speeds changed by
+7.9 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.
Olgii Weather Forecast 30 Days (November - December 2025)Olgii, Bayan Olgii, Mongolia
Temperature
humi.
Wind SpeedSunny-8°/-17°51%12km/hSunny-9°/-15°49%13km/hSunny-6°/-17°59%11km/hSunny-6°/-14°66%12km/hSunny-7°/-16°63%13km/h
Partly Cloudy -8°/-13°83%17km/hSunny-9°/-15°83%16km/hSunny-4°/-14°70%34km/hPartly Cloudy -4°/-14°60%61km/hSunny-13°/-20°72%14km/hPartly Cloudy -18°/-23°76%11km/hSunny-19°/-25°67%12km/h
Overcast -16°/-21°56%9km/hSunny-13°/-21°70%10km/hSunny-15°/-21°63%10km/h
Light freezing rain-12°/-18°64%13km/hLight freezing rain-13°/-19°65%15km/hLight freezing rain-13°/-19°65%16km/hLight freezing rain-13°/-19°65%13km/hLight freezing rain-13°/-19°66%16km/hLight freezing rain-13°/-19°66%15km/hLight freezing rain-13°/-18°70%12km/hLight freezing rain-14°/-20°71%10km/hLight freezing rain-15°/-20°69%12km/hLight freezing rain-16°/-21°63%11km/hLight freezing rain-17°/-22°66%12km/hLight freezing rain-17°/-22°72%12km/hLight freezing rain-17°/-22°72%10km/hSunny-16°/-22°67%11km/hLight freezing rain-15°/-21°67%11km/hLight freezing rain-15°/-21°72%12km/hHighest & Lowest Weather Forecasts
TemperatureHumidityWind Speed
Precipitation
UV
