Ottawa in october: average Weather, Temperature and Climate
Weather in Ottawa in october 2025
The weather in Ottawa in october comes from statistical datas on the past years. You can view the weather statistics for all the month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout october
tolerable weather 37.4cm
Weather at 6am
45°F
Clear/Sunny
29% of time
23%
16%
13%
Weather at 12pm
54°F
Clear/Sunny
27% of time
24%
23%
18%
Weather at 6pm
49°F
Clear/Sunny
34% of time
21%
18%
13%
Weather at 3am
45°F
31%
21%
16%
15%
Evolution of daily average temperature and precipitation in Ottawa in october
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Ottawa in october.
The climate of Ottawa in october is tolerable
The weather in october in Ottawa is wet (with 6in of rainfall over 9 days). The weather is better from the previous month since in september it receives an average of 4.6in of precipitation over 6 days.
The climate is rather cool around this city this month, but it is livable when dressing cosy. The thermometer averaged maximum of 56°F. The minimum is 45°F. Thus, the mean temperature average in october in Ottawa is 50°F. These temperatures are far removed from those records observed in Ottawa in october with a maximum record of 79°F in 2018 and a minimum record of 23°F in 2020. You can expect to have about 6 days with temperatures over 65°F, or 19% of the month.
On this month of october, day length in Ottawa is generally 10:58. Sunrise is at 06:19 and sunset is at 17:17.
With an unfavorable weather, october is not the best time to go there in Canada.
Ottawa: another month?
If you can push the dates of your trip to Ottawa forward, the month of november has a better weather forecast than october. more information
October: another location in Canada?
If you want to go to Canada in october, there are destinations with better weather than Ottawa:
In october, Niagara Falls (Ontario) has good weather.
Seasonal average climate and temperature of Ottawa in october
Check below seasonal norms These datas are compiled from the weather statements of the last years of october.
| October | |||||
| Outside temperature | |||||
| Average temperature | 50°F | ||||
| Highest temperature | 56°F | ||||
| Lowest temperature | 45°F | ||||
| Highest record temperature | 79°F (2018) | ||||
| Lowest record temperature | 23°F (2020) | ||||
| Number of days at +65°F | 6 day(s) (19%) | ||||
| Number of days at -32°F | 3 day(s) (10%) | ||||
| Wind | |||||
| Wind speed | 17km/h | ||||
| Wind temperature | 40°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 6in | ||||
| Number of days with rainfall | 9 day(s) (28%) | ||||
| Record daily rainfall | 3.4in (2017) | ||||
| Snowfall | 37.4cm | ||||
| Other climate data | |||||
| Humidity | 89% | ||||
| Visibility | 8.66km | ||||
| Cloud cover | 49% | ||||
| UV index | 3 | ||||
| Daily sunshine hours | 7 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:19 | ||||
| Time of sunset | 17:17 | ||||
| Length of day | 10:58 | ||||
| Our opinion about the weather in october | |||||
| Our opinion at whereandwhen.net | tolerable | ||||
How was the weather last october?
Here is the day by day recorded weather in Ottawa in october 2024:
58°F to 67°F
56°F to 61°F
47°F to 68°F
47°F to 65°F
52°F to 67°F
45°F to 56°F
52°F to 56°F
41°F to 58°F
40°F to 52°F
41°F to 49°F
45°F to 61°F
47°F to 58°F
40°F to 45°F
40°F to 45°F
40°F to 41°F
41°F to 49°F
36°F to 59°F
38°F to 63°F
38°F to 49°F
45°F to 54°F
45°F to 72°F
50°F to 67°F
54°F to 63°F
40°F to 50°F
36°F to 47°F
43°F to 50°F
31°F to 45°F
29°F to 41°F
34°F to 49°F
52°F to 63°F
58°F to 68°F
Map: other cities in Canada in october
Cities near Ottawa:
| Kingston in october | tolerable weather |
| Orillia in october | tolerable weather |
| North Bay in october | bad weather |
| Toronto in october | tolerable weather |
| Quebec City in october | bad weather |
| Brampton in october | tolerable weather |
| Niagara Falls (Ontario) in october | good weather |
| Owen Sound in october | tolerable weather |
| Greater Sudbury in october | very bad weather |
| Bruce Peninsula in october | tolerable weather |
| Timmins in october | very bad weather |
| Sault Ste. Marie in october | very bad weather |
Click over cities on the map for information about the weather in october.
Ottawa
perfect weather
good
tolerable
bad
very bad
Weather data for Ottawa in october:
Weather data for Ottawa for october are derived from an average of the weather forecast since 2009 in Ottawa. There is a margin of error and these forecasts are to be considered as general information only. The weather in Ottawa can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Ottawa.