United States · 1991–2020 normal
Grinnell in
August.
Typical August weather in Grinnell: 27.3°C by day, 15°C at night, 113 mm of rain over 8.2 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high27.3°C
Typical low15°C
Rain113 mm
Wet days8.2
Comfort score 73 this month (September leads the year at 79). Daylight is calculated as 13 h 51 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.