Weather in Ottawa in October
In an average October, Ottawa sees a daily high around 13°C and a low around 4°C, based on 1980–2026 of local climate records.
| Average high | 13°C |
|---|---|
| Typical high range | 7°C to 20°C |
| Average low | 4°C |
| Typical low range | -1°C to 10°C |
| Average daily precipitation | 3 mm |
October records
The most extreme October on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total October accumulation.
High
Highest
31°C
2023-10-04
Lowest
1°C
2008-10-29
Low
Highest
18°C
2014-10-15
Lowest
-9°C
2020-10-31
Feels-like
Highest
37°C
2023-10-04
Lowest
-15°C
1997-10-23
Humidity
Highest
16.0 g/m³
2005-10-04
Lowest
2.5 g/m³
2020-10-30
Wind
Highest
37 km/h
2017-10-15
Lowest
5 km/h
2005-10-28
Gust
Highest
96 km/h
2017-10-15
Lowest
12 km/h
2021-10-06
Precip
Wettest
186 mm
2017
Driest
30 mm
1994
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