October Weather in Ottawa

Last updated: March 2, 2024

The weather in Ottawa, United States, during October is characterized by an average temperature of 14°C (57°F). Highs can soar to 30°C (85°F), while lows may dip to 0°C (33°F). Typically, the humidity level in Ottawa throughout October hovers around 82%.

0°C (33°F)

Minimum temperature

14°C (57°F)

Average temperature

30°C (85°F)

Maximum temperature

82%

Humidity

Precipitation and Sunshine hours

In October, Ottawa averages 91 mm (3.6 inches) of rainfall, typically over the course of 13 rainy days. The month enjoys an average of 11 hours 3 minutes of daylight, with the sun shining for approximately 7 hours 14 minutes each day. Additionally, there is a 34% probability of sunny days during this period.

91 mm (3.6 inches)

Precipitation

13 rainy days

Rainy days

7 hours 14 minutes

Sunshine hours

34%

Chance of sun

UV Index

In October, the UV Index in Ottawa reaches a maximum of 6, indicating a level of High exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 25 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00
UVI 0 1 1 2 4 5 6 6 5 3 2 1 1
Exposure Low Moderate High Moderate Low
Time to burn 45 min 30 min 25 min 30 min 45 min

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