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CheckWeather CA›Ottawa›November

Ottawa weather in November

Long-run climate averages for Ottawa, Ontario in November, plus what the forecast models say for the days ahead.

See Ottawa in 3D, hour by hour →

November at a glance

In November, Ottawa averages 5°C by day and -1°C at night. The wettest month is usually September.

November in Ottawa averages a daytime high of 5°C and an overnight low of -1°C, which reads as cold for this part of the world. Overnight temperatures drop below freezing, so expect frost and pack accordingly. Across the whole year Ottawa sees roughly 960 mm of precipitation.

Climate averages tell you what to pack. They do not tell you what next Tuesday looks like - for that, see the live Ottawa forecast with every model compared and how much they currently agree.

Ottawa weather by month

what to expect in Ottawa through the year, 1991-2020 averages

Here is Ottawa's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to Ottawa by season.

Jan
-5°
-13°
Cold
Feb
-3°
-14°
Cold
Mar
2°
-7°
Cold
Apr
10°
-1°
Cool
May
19°
7°
Mild
Jun
23°
13°
Warm
Jul
25°
17°
Warm
Aug
24°
16°
Warm
Sep
21°
11°
Mild
Wettest
Oct
13°
5°
Cool
Nov
5°
-1°
Cold
Dec
-2°
-8°
Cold

Bottom line: over the last 30 days the European model has been the most accurate forecast for Ottawa, scoring 91/100 on our CheckWeather Score, ahead of the American at 89. See the full CA accuracy scoreboard for exactly how every model is tested.

Common questions

How warm is Ottawa in November?
Ottawa averages a daytime high of 5°C in November, with overnight lows around -1°C. These are long-run climate averages, not a forecast - for the actual days ahead see the live model comparison.
Is November a good time to visit Ottawa?
The most comfortable time to visit Ottawa is usually May, June, July and August, when daytime highs sit in the pleasant 16-26°C range and the heaviest September rain is behind you.
Does it rain a lot in Ottawa in November?
The wettest month in Ottawa is usually September. Across the year the city sees roughly 960 mm of precipitation.

Climate averages from ERA5 reanalysis. Model accuracy re-scored over a rolling 30 days. Page updated .

Ottawa in other months

More about Ottawa