Mammoth Lakes weather in July
July in Mammoth Lakes: warm, dry — one of the weakest months to visit.
#12 of 12 months in Mammoth Lakes · #891 of 897 destinations to visit in July · comfort 16/100 (tier F)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Mammoth Lakes in July
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Mammoth Lakes climate normals — July
| Daytime high | 24°C / 76°F | 🌤 warm |
|---|---|---|
| Nighttime low | 11°C / 52°F | |
| Rainfall | 10 mm / 0.4 in | ☀️ dry |
| Rainy days | 3 days | |
| Humidity | 41% | 🍃 comfortable |
| Dew point | 3°C / 38°F | |
| Sunshine | 13.4 h/day | |
| Daylight | 14.5 h | |
| Wind | 14 km/h / 9 mph | |
| Air quality (US AQI) | 57 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Mammoth Lakes in July — FAQ
- Is July a good time to visit Mammoth Lakes?
- July in Mammoth Lakes: warm, dry — one of the weakest months to visit. It ranks #12 of 12 months for Mammoth Lakes on SeasonMap's comfort score (16/100).
- What is the weather like in Mammoth Lakes in July?
- In July, Mammoth Lakes averages a daily high of 24.4°C and a low of 11.1°C, with about 10.4 mm of rain over roughly 3.4 rainy days.
- What is the air quality in Mammoth Lakes in July?
- Mammoth Lakes has a mean US Air Quality Index of about 57 in July.