Mammoth Lakes weather in October
October in Mammoth Lakes: cool, dry, with clean air — a hit-or-miss time to visit.
#8 of 12 months in Mammoth Lakes · #887 of 897 destinations to visit in October · comfort 47/100 (tier F)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Mammoth Lakes in October
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Mammoth Lakes climate normals — October
| Daytime high | 16°C / 60°F | 🙂 cool |
|---|---|---|
| Nighttime low | 3°C / 37°F | |
| Rainfall | 21 mm / 0.8 in | ☀️ dry |
| Rainy days | 1 days | |
| Humidity | 48% | 🍃 comfortable |
| Dew point | -3°C / 27°F | |
| Sunshine | 10.1 h/day | |
| Daylight | 11.2 h | |
| Wind | 12 km/h / 8 mph | |
| Snowfall | 8.6 cm / 3.4 in | |
| Air quality (US AQI) | 37 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Mammoth Lakes in October — FAQ
- Is October a good time to visit Mammoth Lakes?
- October in Mammoth Lakes: cool, dry, with clean air — a hit-or-miss time to visit. It ranks #8 of 12 months for Mammoth Lakes on SeasonMap's comfort score (47/100).
- What is the weather like in Mammoth Lakes in October?
- In October, Mammoth Lakes averages a daily high of 15.5°C and a low of 2.9°C, with about 20.6 mm of rain over roughly 1.2 rainy days.
- What is the air quality in Mammoth Lakes in October?
- Mammoth Lakes has a mean US Air Quality Index of about 37 in October.
- Does it snow in Mammoth Lakes in October?
- Mammoth Lakes sees roughly 8.6 cm of snowfall in October.