Rocky Mountain National Park weather in April
April in Rocky Mountain National Park: cold, a little rain, with reliable snow — a great time to visit.
#7 of 12 months in Rocky Mountain National Park · #443 of 604 destinations to visit in April · comfort 72/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Rocky Mountain National Park climate normals — April
| Daytime high | 5°C / 41°F | 🧥 cold |
|---|---|---|
| Nighttime low | -7°C / 20°F | |
| Feels like (high) | 2°C / 36°F | |
| Rainfall | 59 mm / 2.3 in | 🌦 some rain |
| Rainy days | 13 days | |
| Humidity | 62% | 💧 humid |
| Dew point | -9°C / 16°F | |
| Sunshine | 11.3 h/day | |
| Daylight | 13.3 h | |
| Wind | 17 km/h / 10 mph | |
| Snowfall | 38.7 cm / 15.2 in | |
| Air quality (US AQI) | 61 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Rocky Mountain National Park?
Loading map…
Rocky Mountain National Park in April — FAQ
- Is April a good time to visit Rocky Mountain National Park?
- April in Rocky Mountain National Park: cold, a little rain, with reliable snow — a great time to visit. It ranks #7 of 12 months for Rocky Mountain National Park on SeasonMap's comfort score (72/100).
- What is the weather like in Rocky Mountain National Park in April?
- In April, Rocky Mountain National Park averages a daily high of 5.1°C and a low of -6.6°C, with about 58.9 mm of rain over roughly 12.6 rainy days.
- What is the air quality in Rocky Mountain National Park in April?
- Rocky Mountain National Park has a mean US Air Quality Index of about 61 in April.
- Does it snow in Rocky Mountain National Park in April?
- Rocky Mountain National Park sees roughly 38.7 cm of snowfall in April.