Rocky Mountain National Park vs Yellowstone National Park in May

Rocky Mountain National Park and Yellowstone National Park are nearly tied in May — 77 vs 78 on SeasonMap's comfort score. Rocky Mountain National Park is cold, rainy, reliable snow; Yellowstone National Park is cold, a little rain, reliable snow.

Rocky Mountain National Park vs Yellowstone National ParkMay climate, side by side

Rocky Mountain National ParkYellowstone National Park
Comfort score77/100 (B)78/100 (B)
Feels-like high9°C9°C
Avg high / low11° / 0°12° / -4°
Rainfall103 mm58 mm
Rainy days1212
Humidity67%73%
Air quality (AQI)5858

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Rocky Mountain National Park vs Yellowstone National Park in May — FAQ

Is May better in Rocky Mountain National Park or Yellowstone National Park?
Rocky Mountain National Park and Yellowstone National Park are nearly tied in May — 77 vs 78 on SeasonMap's comfort score. Rocky Mountain National Park is cold, rainy, reliable snow; Yellowstone National Park is cold, a little rain, reliable snow.
What is the weather like in Rocky Mountain National Park vs Yellowstone National Park in May?
In May, Rocky Mountain National Park averages 11°C high / 0°C low with about 103 mm of rain; Yellowstone National Park averages 12°C high / -4°C low with about 58 mm.