Ottawa weather in November
In November, Ottawa has daytime highs averaging 5.8 °C, nights around -0.4 °C, with 11 wet days. Figures are 1991–2020 climate normals.
- 5.8°C Average high
- -0.4°C Average low
- 11days Wet days
- 83mm Rainfall
- 9.5h Daylight
Daily temperatures through November
How November develops
Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.
| Days | Avg high | Avg low | Chance of rain |
|---|---|---|---|
| 1–10 November | 8.2 °C | 1.7 °C | 37 % |
| 11–20 November | 5.7 °C | -0.5 °C | 34 % |
| 21–30 November | 3.7 °C | -2.2 °C | 39 % |
- Average highs fall from 8.2 °C early in November to 3.7 °C by the end of it.
- Rain is most likely over days 21–30 of November (39 % of days) and least likely over days 11–20 (34 %).
What to expect
| Measure | Typical November | Share of the month |
|---|---|---|
| Days above 25 °C | 0 of 30 | 0 % |
| Days above 30 °C | 0 of 30 | 0 % |
| Days below 0 °C | 16 of 30 | 52 % |
| Days with more than 1 mm rain | 11 of 30 | 36 % |
Conditions in November
| Measure | Average |
|---|---|
| Mean temperature | 2.3 °C |
| Record high (1991–2020) | 20 °C |
| Record low (1991–2020) | -16 °C |
| Relative humidity | 77 % |
| Wind speed | 17 km/h |
| Cloud cover | 74 % |
Where Ottawa ranks in November
| Ranking | Position | Value |
|---|---|---|
| The coolest places in North America in November | 13thof 50 | 5.8 °C |
November compared with the months around it
| Month | Avg high | Rainfall | Cloud |
|---|---|---|---|
| January | -4.5 °C | 73 mm | 72 % |
| September | 20.7 °C | 95 mm | 57 % |
| October | 13.1 °C | 99 mm | 66 % |
| November | 5.8 °C | 83 mm | 74 % |
| December | -0.7 °C | 79 mm | 78 % |
See all twelve months for Ottawa
- November is the 8th warmest month here.
- It is the 5th driest month of the year.
- It ranks 11th for least cloud cover.
- Days last about 9.5 hours from sunrise to sunset.
- It rains on 11 of 30 days — 36 % of the month.
- Nights are about 6.2 °C cooler than the middle of the day.
- The hottest November day on record since 1991 reached 20 °C, 14 °C above the usual daytime high.
Nearby destinations in November
| Destination | Avg high | Wet days |
|---|---|---|
| Ottawa | 5.8 °C | 11 |
| Laval | 5.7 °C | 11 |
| Montréal | 4.7 °C | 12 |
| Longueuil | 5.9 °C | 12 |
QuestionsNovember in Ottawa, answered
How warm is Ottawa in November?
Daily highs average 5.8 °C and nights fall to about -0.4 °C, a spread of 6.2 °C between afternoon and dawn. That makes November the 8th warmest month of the year here.
Does it rain much in Ottawa in November?
November averages 83 mm of rain, spread over about 11 of the 30 days — 36 % of the month. Cloud cover averages 74 % of the sky.
How long are the days in November?
Ottawa averages 9.5 hours between sunrise and sunset in November. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.
Data sources and method
- ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
- Open-Meteo — Open-Meteo.com. CC BY 4.0
- NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
- GeoNames — GeoNames.org. CC BY 4.0
- Normal period
- 1991–2020
- Dataset version
- era5-1991-2020-scores1.1
- Last processed
Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. Full formulas are on the methodology page.
Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.