What is the weather like in Montreal vs Ottawa in October?

In October, Montreal averages 14°C high / 6°C low with about 125 mm of rain; Ottawa averages 15°C high / 5°C low with about 92 mm.

Montreal vs Ottawa in October

Montreal and Ottawa are nearly tied in October — 67 vs 68 on SeasonMap's comfort score. Montreal is cool, rainy, clean air; Ottawa is cool, rainy, clean air.

Montreal vs Ottawa — October climate, side by side

	🇨🇦 Montreal	🇨🇦 Ottawa
Comfort score	67/100 (C)	68/100 (C)
Feels-like high	12°C	12°C
Avg high / low	14° / 6°	15° / 5°
Rainfall	125 mm	92 mm
Rainy days	10	9
Humidity	74%	76%
Air quality (AQI)	34	30

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Month by month

Montreal 🇨🇦 Canadacool, rainy, clean air · best June67
Ottawa 🇨🇦 Canadacool, rainy, clean air · best June68

Montreal vs Ottawa in October — FAQ

Is October better in Montreal or Ottawa?: Montreal and Ottawa are nearly tied in October — 67 vs 68 on SeasonMap's comfort score. Montreal is cool, rainy, clean air; Ottawa is cool, rainy, clean air.
What is the weather like in Montreal vs Ottawa in October?: In October, Montreal averages 14°C high / 6°C low with about 125 mm of rain; Ottawa averages 15°C high / 5°C low with about 92 mm.