Is Markham hot in August?
Days are typically warm at 26.2°C, while nights average 14.6°C.
Canada · 1991–2020 normal
Markham in
August.
Typical August weather in Markham: 26.2°C by day, 14.6°C at night, 72 mm of rain over 7.9 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high26.2°C
Typical low14.6°C
Rain72 mm
Wet days7.9
In the year-round weather comparison, August scores 83 out of 100, the highest of the year. Daylight is calculated as 14 h from latitude 43.87°. Open-water sea temperature is 21.2°C (28 km from the place centre).
August at a glance
What is Markham like in August?
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Does it rain much?
The measured monthly average is 72 mm across about 8 wet days.
How much daylight is there?
There are about 14 h between sunrise and sunset at mid-month, calculated from the place latitude.
Is August a good time to visit?
August is the strongest month in our year-round weather comparison.
Event window
Warm sea in August
The nearest open-water NOAA OISST 1991–2020 cell averages 21.2°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 6066513
- NOAA station
- CA00615HMAK · TORONTO BUTTONVILLE A
- Station distance
- 8 km from the place centre
- Coverage
- Good coverage · 24 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.
Next step
Choose your month.
Then plan the details.
The weather comparison for Markham is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
How travel partnerships will work