Is Markham hot in October?
Days are typically cool at 14.4°C, while nights average 4.3°C.
Canada · 1991–2020 normal
Markham in
October.
Typical October weather in Markham: 14.4°C by day, 4.3°C at night, 71 mm of rain over 9.7 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high14.4°C
Typical low4.3°C
Rain71 mm
Wet days9.7
In the year-round weather comparison, October scores 38 out of 100 (August leads the year at 83). Daylight is calculated as 10 h 55 from latitude 43.87°. Open-water sea temperature is 13.1°C (28 km from the place centre).
October at a glance
What is Markham like in October?
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 71 mm across about 10 wet days.
How much daylight is there?
There are about 10 h 55 between sunrise and sunset at mid-month, calculated from the place latitude.
Is October a good time to visit?
October ranks 6 of 12 in our weather comparison; August ranks first.
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.
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