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November Weather in Cornwall, Canada

Last updated: June 18, 2025

In November, the average temperature in Cornwall, Canada hovers around 2°C (36°F), creating a crisp atmosphere. Expect a wide range, as temperatures can drop to a chilly -18°C (1°F) or soar up to a pleasant 23°C (74°F). Precipitation is notable, with about 108 mm (4.2 in) falling over 14 days, and the air remains quite humid, boasting an average humidity of 88%.

November Temperature in Cornwall

In November in Cornwall, the average temperature is 2°C (36°F). Maximums can reach 23°C (74°F), while minimums can dip as low as -18°C (1°F). Be prepared for a wide range of temperatures during your travels.

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

The chart illustrates November temperature patterns in Cornwall, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cornwall, November typically has an average temperature of 2°C (36°F), with highs reaching up to 23°C (74°F) and lows dropping to around -18°C (1°F).
JanFebMarAprMayJunJulAugSepOctNovDec192230435766716962503626
Data source: Temperature data for Cornwall 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 Cornwall

In Cornwall in November, the total precipitation amount is 108 mm (4.2 in) spread over 14 days.

November Precipitation Trends in Cornwall

The chart displays monthly precipitation patterns in Cornwall, 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 Cornwall, November typically receives around 108 mm (4.2 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec8583871171091001161007013910884
Data source: Precipitation data for November generated using information from the Copernicus Climate Change Service.
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November Humidity in Cornwall

In Cornwall in November, humidity is 88%. With an average temperature of 2°C (36°F), this humidity feels like a cold, damp blanket wrapping around you, making traveling uncomfortable and energy-draining as every step through the chill seems heavier in the thick air.

November Average Humidity in Cornwall

This chart illustrates the average monthly humidity levels in Cornwall, 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 Cornwall is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%86%85%80%74%76%75%78%86%89%89%
Data source: Humidity data for November generated using information from the Copernicus Climate Change Service.

November UV Index in Cornwall

In Cornwall in November, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Cornwall, you can check the information here.

Maximum UV Index Levels in Cornwall for November

The chart shows the monthly maximum UV Index (UVI) for Cornwall 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 Cornwall typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245899987532
Data source: Cornwall 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 Cornwall Compares to Other Months

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

This table compares monthly weather conditions in Cornwall, showing how November’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (20°F)85 mm (3.3 inches)93%low
February Weather-6°C (22°F)83 mm (3.3 inches)92%moderate
March Weather-1°C (30°F)87 mm (3.4 inches)86%moderate
April Weather6°C (44°F)117 mm (4.6 inches)85%very high
May Weather14°C (57°F)109 mm (4.3 inches)80%very high
June Weather19°C (66°F)100 mm (3.9 inches)74%very high
July Weather22°C (72°F)116 mm (4.6 inches)76%very high
August Weather21°C (70°F)100 mm (3.9 inches)75%very high
September Weather16°C (62°F)70 mm (2.8 inches)78%high
October Weather10°C (51°F)139 mm (5.5 inches)86%moderate
November Weather2°C (36°F)108 mm (4.2 inches)88%moderate
December Weather-3°C (26°F)84 mm (3.3 inches)89%low

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