United States · 1991–2020 normal
Grinnell in
May.
Typical May weather in Grinnell: 21.1°C by day, 8.3°C at night, 130 mm of rain over 10.8 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high21.1°C
Typical low8.3°C
Rain130 mm
Wet days10.8
Comfort score 58 this month (September leads the year at 79). Daylight is calculated as 14 h 31 from latitude 41.74°.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4859343
- NOAA station
- USC00133473 · GRINNELL 3 SW
- Station distance
- 3.5 km from the place centre
- Coverage
- Strong coverage · 29 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.