Mammoth Lakes, California, United States Climate Change Severity

67
Very High
The current climate change severity in Mammoth Lakes is Very High, with a 23.1% 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 Oct. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C (c)

Mammoth Lakes 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), Mammoth Lakes temperature has changed by around -10.3%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
14383
-41.9%
cloudyCloudy
6790
34.3%
rainyRainy
6031
-48.3%
snowySnowy
1514
-6.6%
mistyMisty
07
100%

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

Climate Change Indicators:

Over the past 15 years, Mammoth Lakes has experienced measurable shifts in key climate parameters, contributing to the current severity score of 67 (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

67/100

Very High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Mammoth Lakes experienced significant changes:

Temperature change of

-0.6 °C

Variation in annual rainfall

+56.8 %

Change in average humidity

+14.9 %

PM2.5 levels surged by

-46.8 %

Heatwave changed by

-11.9 day(s)

Coldwave changed by

-0.5 day(s)

Wind speeds changed by

+3.3 km/h

These indicators show a dramatic increase in volatility and worsening conditions. Mammoth Lakes'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 Oct.

Mammoth Lakes Weather Forecast 30 Days (November - December 2025)
Mammoth Lakes, California, United States

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Sun. 2, Nov.
sunnySunny
Temperature Icon17°/9°
Humidity Icon51%
Wind Icon12km/h
Mon. 3, Nov.
sunnySunny
Temperature Icon14°/8°
Humidity Icon37%
Wind Icon16km/h
Tue. 4, Nov.
partly cloudyPartly Cloudy
Temperature Icon14°/6°
Humidity Icon30%
Wind Icon15km/h
Wed. 5, Nov.
moderate rainModerate rain
Temperature Icon10°/3°
Humidity Icon60%
Wind Icon22km/h
Thu. 6, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon10°/3°
Humidity Icon82%
Wind Icon9km/h
Fri. 7, Nov.
sunnySunny
Temperature Icon13°/5°
Humidity Icon61%
Wind Icon10km/h
Sat. 8, Nov.
sunnySunny
Temperature Icon15°/7°
Humidity Icon46%
Wind Icon11km/h
Sun. 9, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon5°/2°
Humidity Icon84%
Wind Icon11km/h
Mon. 10, Nov.
sunnySunny
Temperature Icon11°/2°
Humidity Icon37%
Wind Icon12km/h
Tue. 11, Nov.
sunnySunny
Temperature Icon15°/5°
Humidity Icon32%
Wind Icon11km/h
Wed. 12, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon10°/2°
Humidity Icon63%
Wind Icon16km/h
Thu. 13, Nov.
heavy snowHeavy snow
Temperature Icon-3°/-10°
Humidity Icon89%
Wind Icon13km/h
Fri. 14, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon-2°/-11°
Humidity Icon84%
Wind Icon12km/h
Sat. 15, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon8°/-2°
Humidity Icon55%
Wind Icon14km/h
Sun. 16, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon8°/-2°
Humidity Icon61%
Wind Icon14km/h
Mon. 17, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon9°/-1°
Humidity Icon51%
Wind Icon13km/h
Tue. 18, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon7°/-1°
Humidity Icon58%
Wind Icon13km/h
Wed. 19, Nov.
heavy rain at timesHeavy rain at times
Temperature Icon7°/-2°
Humidity Icon51%
Wind Icon13km/h
Thu. 20, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon6°/-2°
Humidity Icon59%
Wind Icon15km/h
Fri. 21, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon6°/-3°
Humidity Icon63%
Wind Icon13km/h
Sun. 23, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon6°/-2°
Humidity Icon57%
Wind Icon14km/h
Mon. 24, Nov.
moderate snowModerate snow
Temperature Icon6°/-3°
Humidity Icon54%
Wind Icon13km/h
Tue. 25, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon7°/-3°
Humidity Icon53%
Wind Icon13km/h
Wed. 26, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon7°/-3°
Humidity Icon52%
Wind Icon13km/h
Thu. 27, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon5°/-3°
Humidity Icon57%
Wind Icon15km/h
Fri. 28, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon4°/-4°
Humidity Icon60%
Wind Icon13km/h
Sat. 29, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon4°/-5°
Humidity Icon61%
Wind Icon14km/h
Sun. 30, Nov.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon5°/-4°
Humidity Icon62%
Wind Icon13km/h
Mon. 1, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon5°/-3°
Humidity Icon66%
Wind Icon13km/h
Tue. 2, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon5°/-4°
Humidity Icon65%
Wind Icon13km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onSun. 2, Nov.

16.5°C

Low will be onFri. 14, Nov.

-10.9°C

HumidityHumidity

High will be onThu. 13, Nov.

89%

Low will be onTue. 4, Nov.

30%

Wind SpeedWind Speed

High will be onWed. 5, Nov.

21.6km/h

Low will be onThu. 6, Nov.

8.6km/h

PrecipitationPrecipitation

High will be onWed. 26, Nov.

10.6mm

Low will be onThu. 6, Nov.

0.3mm

Ultraviolet IndexUV

High will be onSat. 8, Nov.

4

Low will be onSun. 9, Nov.

1