Canada · 1991–2020 normal

Waterdown in
August.

Typical August weather in Waterdown: 26.6°C by day, 15°C at night, 56 mm of rain over 6.5 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high26.6°C
Typical low15°C
Rain56 mm
Wet days6.5

Comfort score 85 this month, the highest of the year. Daylight is calculated as 13 h 57 from latitude 43.33°. Open-water sea temperature is 21.1°C (21 km from the place centre).

Event window

Warm sea in August

The nearest open-water NOAA OISST 1991–2020 cell averages 21.1°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 6176722
NOAA station
CA006153301 · HAMILTON RBG CS
Station distance
4.6 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.