Gateway Arch National Park weather in February
February in Gateway Arch National Park: cold, rainy, with clean air — a good time to visit.
#9 of 12 months in Gateway Arch National Park · #347 of 604 destinations to visit in February · comfort 69/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Gateway Arch National Park climate normals — February
| Daytime high | 7°C / 45°F | 🧥 cold |
|---|---|---|
| Nighttime low | -3°C / 27°F | |
| Feels like (high) | 3°C / 37°F | |
| Rainfall | 81 mm / 3.2 in | 🌧 rainy |
| Rainy days | 10 days | |
| Humidity | 64% | 💧 humid |
| Dew point | -4°C / 25°F | |
| Sunshine | 6.7 h/day | |
| Daylight | 10.8 h | |
| Wind | 19 km/h / 12 mph | |
| Snowfall | 12 cm / 4.7 in | |
| Air quality (US AQI) | 41 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Gateway Arch National Park in February — FAQ
- Is February a good time to visit Gateway Arch National Park?
- February in Gateway Arch National Park: cold, rainy, with clean air — a good time to visit. It ranks #9 of 12 months for Gateway Arch National Park on SeasonMap's comfort score (69/100).
- What is the weather like in Gateway Arch National Park in February?
- In February, Gateway Arch National Park averages a daily high of 7.3°C and a low of -2.8°C, with about 80.6 mm of rain over roughly 9.8 rainy days.
- What is the air quality in Gateway Arch National Park in February?
- Gateway Arch National Park has a mean US Air Quality Index of about 41 in February.
- Does it snow in Gateway Arch National Park in February?
- Gateway Arch National Park sees roughly 12 cm of snowfall in February.