United States · 1991–2020 normal
Saint Helens in
May.
Typical May weather in Saint Helens: 21.1°C by day, 7.5°C at night, 76 mm of rain over 10.4 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high21.1°C
Typical low7.5°C
Rain76 mm
Wet days10.4
Comfort score 65 this month (September leads the year at 86). Daylight is calculated as 14 h 54 from latitude 45.86°.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5750041
- NOAA station
- USC00357466 · SAINT HELENS RFD
- Station distance
- 5.4 km from the place centre
- Coverage
- Good coverage · 22 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.