Crater Lake National Park weather in April
April in Crater Lake National Park: cold, rainy, with clean air — a great time to visit.
#7 of 12 months in Crater Lake National Park · #423 of 604 destinations to visit in April · comfort 73/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Crater Lake National Park climate normals — April
| Daytime high | 7°C / 44°F | 🧥 cold |
|---|---|---|
| Nighttime low | -3°C / 27°F | |
| Feels like (high) | 4°C / 39°F | |
| Rainfall | 118 mm / 4.6 in | 🌧 rainy |
| Rainy days | 13 days | |
| Humidity | 78% | 💦 very humid |
| Dew point | -4°C / 24°F | |
| Sunshine | 10.1 h/day | |
| Daylight | 13.4 h | |
| Wind | 14 km/h / 9 mph | |
| Snowfall | 52.1 cm / 20.5 in | |
| Air quality (US AQI) | 42 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Crater Lake National Park in April — FAQ
- Is April a good time to visit Crater Lake National Park?
- April in Crater Lake National Park: cold, rainy, with clean air — a great time to visit. It ranks #7 of 12 months for Crater Lake National Park on SeasonMap's comfort score (73/100).
- What is the weather like in Crater Lake National Park in April?
- In April, Crater Lake National Park averages a daily high of 6.6°C and a low of -2.9°C, with about 117.5 mm of rain over roughly 13 rainy days.
- What is the air quality in Crater Lake National Park in April?
- Crater Lake National Park has a mean US Air Quality Index of about 42 in April.
- Does it snow in Crater Lake National Park in April?
- Crater Lake National Park sees roughly 52.1 cm of snowfall in April.