United States · 1991–2020 normal
Saint Charles in
August.
Typical August weather in Saint Charles: 27.7°C by day, 15.6°C at night, 93 mm of rain over 8.4 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high27.7°C
Typical low15.6°C
Rain93 mm
Wet days8.4
Comfort score 74 this month (September leads the year at 84). Daylight is calculated as 13 h 57 from latitude 43.30°. Open-water sea temperature is 22.2°C (42 km from the place centre).
Event window
Warm sea in August
The nearest open-water NOAA OISST 1991–2020 cell averages 22.2°C in August. A sheltered bay can run warmer than that open-water cell.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 5008102
- NOAA station
- USC00207222 · SAGINAW #3
- Station distance
- 19.7 km from the place centre
- Coverage
- Good coverage · 19 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.