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November Weather in Ottawa, United States

Last updated: June 24, 2025

In November, the average temperature in Ottawa, United States hovers around 7°C (45°F). Expect a minimum of -13°C (9°F) and a maximum reaching up to 25°C (77°F). With an average humidity of 81%, this time of year also sees precipitation totaling 41 mm (1.6 in) over approximately 5 days, so don’t forget your umbrella!

November Temperature in Ottawa

In November in Ottawa, the average temperature is 7°C (45°F). Maximums can reach 25°C (77°F) and minimums can be as low as -13°C (9°F). Pack accordingly for a wide range of temperatures during your trip!

November Weather in Ottawa: Daily Temperature Highs, Lows, and Averages

The chart illustrates November temperature patterns in Ottawa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ottawa, November typically has an average temperature of 7°C (45°F), with highs reaching up to 25°C (77°F) and lows dropping to around -13°C (9°F).
JanFebMarAprMayJunJulAugSepOctNovDec333447556677807772584539
Data source: Temperature data for Ottawa generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

November Precipitation in Ottawa

In Ottawa in November, the precipitation amount is 41 mm (1.6 in) over a period of 5 days.

November Precipitation Trends in Ottawa

The chart displays monthly precipitation patterns in Ottawa, with values for each month alongside November’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how November’s conditions compare to those of other months. In Ottawa, November typically receives around 41 mm (1.6 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec56369996196109112120811154133
Data source: Precipitation data for November generated using information from the Copernicus Climate Change Service.
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November Humidity in Ottawa

In Ottawa in November, humidity is 81%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill wrapping around you, making outdoor adventures slightly uncomfortable and requiring extra layers to stay warm while exploring.

November Average Humidity in Ottawa

This chart illustrates the average monthly humidity levels in Ottawa, with November’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In November, average humidity in Ottawa is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%78%70%73%82%82%81%78%71%71%81%84%
Data source: Humidity data for November generated using information from the Copernicus Climate Change Service.

November UV Index in Ottawa

In Ottawa in November, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Ottawa for better planning.

Maximum UV Index Levels in Ottawa for November

The chart shows the monthly maximum UV Index (UVI) for Ottawa in November, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In November, the maximum UV index in Ottawa typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3679101111109743
Data source: Ottawa November UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How November Weather in Ottawa Compares to Other Months

Weather in Ottawa varies notably across the year, with each month offering distinct climate conditions. This page compares November’s weather to other months in Ottawa, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Ottawa, showing how November’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)56 mm (2.2 inches)76%moderate
February Weather1°C (34°F)36 mm (1.4 inches)77%high
March Weather9°C (48°F)98 mm (3.9 inches)70%high
April Weather13°C (55°F)96 mm (3.8 inches)73%very high
May Weather19°C (66°F)196 mm (7.7 inches)82%very high
June Weather25°C (77°F)109 mm (4.3 inches)82%extreme
July Weather27°C (80°F)112 mm (4.4 inches)81%extreme
August Weather25°C (77°F)120 mm (4.7 inches)78%very high
September Weather22°C (73°F)81 mm (3.2 inches)71%very high
October Weather14°C (58°F)115 mm (4.5 inches)71%high
November Weather7°C (45°F)41 mm (1.6 inches)81%moderate
December Weather4°C (39°F)33 mm (1.3 inches)84%moderate

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