BestDateWeather
✈️ Plan my tripPlan trip
Mammoth Mountain, United States · Alpine mountain climate

Mammoth Mountain in May: go or not?

Mixed period. Mammoth Mountain in May: 4.5/10.

📅 Updated August 2026 🛰️ ERA5 · 10 years 📍 37.63°N · 118.97°W
⚡ This month's verdict
Why not
Mammoth Mountain · May
4.5
0–12°
Temperature
24%
Rain
9h
Sun
❄️ Alpine climate☀️ High-altitude UV🌦️ Changeable weather
Photo : Miguel Ángel Sanz via Unsplash
The month in detail

What to expect in May

Off-season for skiing Mammoth Mountain — lifts are closed. Consider hiking, mountain biking or summer activities at altitude. Rain risk remains low (24.0% of days), leaving good room for outdoor activities.

May ranks 6 out of 12 months in Mammoth Mountain. Compared to April: +9°F daytime, +0.6h of sun per day.

This month's conditions

What it's like in May

UV index
9 · very high
protection essential
Feels like
dry air
-2°
Daylight
14.0h of daylight
Air quality
fair
AQI 43
Compare

Is May the right month?

The best month in Mammoth Mountain is July (9.0/10), 4.5 pts higher than May.

See July →See all 12 months →
Context

Our verdict

Mammoth Mountain is the reference ski resort of the Californian Sierra Nevada: 11,100 ft summit, season among the longest in North America (sometimes November to July in good years). July is my favorite month (9.4/10): 50-77°F, 9% rain, clear sky for hikes towards Devils Postpile , Rainbow Falls, Convict Lake .

Read Gilles' full review →

Book

Plan your trip

Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.

🏨
Stay
Hotels & rentals · Mammoth Mountain
Expedia →
🎟️
Activities
Tours, tickets, experiences
See ↓
✈️
Flights
Multi-airline comparator
Kiwi →

🎟️ Activities & tours · Mammoth Mountain

GetYourGuide selection · free cancellation

See all →
Affiliate link · GetYourGuide
Practical info

What you need to know before you go

Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a mountain stay.

Country · United States

🗣️LanguageEnglish
💶CurrencyUS Dollar ($)
🚗DrivingRight-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘExpensive · 4/5

🌡️ Climate

🌍Climate typeAlpine mountain climate
📈Climate trend ⓘStable
🔥Hottest monthJuly · 77°F
❄️Coolest monthJanuary · 34°F
🌧️Rainiest month ⓘMarch · 36%

🏔️ Mountain stay

⛰️Village altitude7953 ft
🎿Ski area7953 → 11056 ft
⛷️Ski seasonDec → May
🥾Hiking seasonJun → Sep
🧗High mountains ⓘGuide recommended
Explore

Other destinations in May

If May doesn't convince you for this destination, compare with others.

Similar climate
Lake TahoeUnited StatesSteamboat SpringsUnited StatesPark CityUnited StatesSun ValleyUnited StatesPeloponneseGreece
Nearby
MontereyUnited States283 kmSan FranciscoUSA304 kmNapa ValleyUnited States304 kmSanta BarbaraUnited States363 km
Other top picks
SocotraYemen5.4SantiagoChile7.5MaseruLesotho7.8El HierroSpain7.9Gold CoastAustralia7.9
← AprilJune →
🗺️ See all 754 destinations on the map
Location

Where is Mammoth Mountain ?

Global position + regional geographic context.

🌍 World
🔍 Geographic context
United States
Alpine mountain climate climate with a 9.0 → 1.2 gap between best and worst month. 10 years of ERA5 data to choose by project.
37.63°N · 118.97°W
Questions

Frequently asked questions

When is the best time to visit Mammoth Mountain?
It depends on the activity. For skiing: March (ski score 8.5/10). For hiking/suiner: June (9.2/10, 21.0°F).
Can you ski in Mammoth Mountain in winter?
Yes, it's peak ski season. Average ski score December–February: 8.2/10. Cold temperatures (1°F max in January) and frequent snowfall.
Is it warm in Mammoth Mountain in suiner?
In June, temperatures average 21.0°F. Ideal for hiking and outdoor activities.
What is the wettest month in Mammoth Mountain?
November is the wettest month with November has the lowest climate score of the year.
Do you need sun protection in Mammoth Mountain in May?
The average UV index reaches 9 in May in Mammoth Mountain (very high), with about 14.0h of daylight. Protection essential.