Mammoth Lakes weather in April
April in Mammoth Lakes: cold, dry, with reliable snow — a great time to visit.
#6 of 12 months in Mammoth Lakes · #586 of 897 destinations to visit in April · comfort 77/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Mammoth Lakes in April
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Mammoth Lakes climate normals — April
| Daytime high | 8°C / 46°F | 🧥 cold |
|---|---|---|
| Nighttime low | -3°C / 27°F | |
| Rainfall | 26 mm / 1 in | ☀️ dry |
| Rainy days | 5 days | |
| Humidity | 66% | 💧 humid |
| Dew point | -5°C / 23°F | |
| Sunshine | 11.9 h/day | |
| Daylight | 13.2 h | |
| Wind | 13 km/h / 8 mph | |
| Snowfall | 17.2 cm / 6.8 in | |
| Air quality (US AQI) | 58 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Mammoth Lakes in April — FAQ
- Is April a good time to visit Mammoth Lakes?
- April in Mammoth Lakes: cold, dry, with reliable snow — a great time to visit. It ranks #6 of 12 months for Mammoth Lakes on SeasonMap's comfort score (77/100).
- What is the weather like in Mammoth Lakes in April?
- In April, Mammoth Lakes averages a daily high of 7.5°C and a low of -3°C, with about 25.9 mm of rain over roughly 5.4 rainy days.
- What is the air quality in Mammoth Lakes in April?
- Mammoth Lakes has a mean US Air Quality Index of about 58 in April.
- Does it snow in Mammoth Lakes in April?
- Mammoth Lakes sees roughly 17.2 cm of snowfall in April.