Ottawa in may: average Weather, Temperature and Climate
Weather in Ottawa in may 2025
The weather in Ottawa in may comes from statistical datas on the last years. You can view the weather statistics for all the month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout may
good weather 13.3cm
Weather at 6am
52°F
Clear/Sunny
36% of time
23%
18%
14%
Weather at 12pm
63°F
Clear/Sunny
33% of time
24%
22%
12%
Weather at 6pm
58°F
Clear/Sunny
34% of time
25%
19%
12%
Weather at 3am
49°F
32%
20%
17%
16%
Evolution of daily average temperature and precipitation in Ottawa in may
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Ottawa in may.
The climate of Ottawa in may is good
The climate in may in Ottawa is wet (with 5.6in of rainfall over 9 days). The weather is worst than the previous month since in april there is an average of 5.9in of rainfall over 9 days.
The climate quite comfortable in that locality may. Temperatures are up to 65°F. The minimum is 52°F. Thus, the mean temperature average on this month of may in Ottawa is 59°F. Note that these seasonal averages are in contrast with those observed in Ottawa in the month of may with a maximum record of 92°F in 2010 and a minimum record of 27°F in 2020. You can plan to have about 17 days with temperatures up to 65°F, or 55% of time.
Day length in Ottawa in may is 14:55. Sunrise is at 04:32 and sunset is at 19:27.
With good weather conditions, the month of may is advisable to go in this city in Canada.
Seasonal average climate and temperature of Ottawa in may
Check below seasonal norms These statistics are generated from the weather statements of the past years of the month of may.
| May | |||||
| Outside temperature | |||||
| Average temperature | 59°F | ||||
| Highest temperature | 65°F | ||||
| Lowest temperature | 52°F | ||||
| Highest record temperature | 92°F (2010) | ||||
| Lowest record temperature | 27°F (2020) | ||||
| Number of days at +86°F | 0 day(s) (0%) | ||||
| Number of days at +65°F | 17 day(s) (55%) | ||||
| Number of days at -32°F | 1 day(s) (3%) | ||||
| Wind | |||||
| Wind speed | 17km/h | ||||
| Wind temperature | 49°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 5.6in | ||||
| Number of days with rainfall | 9 day(s) (30%) | ||||
| Record daily rainfall | 2.8in (2017) | ||||
| Snowfall | 13.3cm | ||||
| Other climate data | |||||
| Humidity | 83% | ||||
| Visibility | 8.85km | ||||
| Cloud cover | 43% | ||||
| UV index | 4 | ||||
| Daily sunshine hours | 13 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 04:32 | ||||
| Time of sunset | 19:27 | ||||
| Length of day | 14:55 | ||||
| Our opinion about the weather in may | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last may?
Here is the day by day recorded weather in Ottawa in may 2024:
43°F to 58°F
47°F to 59°F
47°F to 59°F
50°F to 56°F
50°F to 50°F
52°F to 65°F
47°F to 68°F
47°F to 50°F
47°F to 54°F
41°F to 58°F
43°F to 56°F
47°F to 52°F
43°F to 52°F
56°F to 67°F
49°F to 68°F
52°F to 68°F
56°F to 68°F
58°F to 67°F
54°F to 74°F
59°F to 76°F
63°F to 74°F
58°F to 77°F
56°F to 76°F
54°F to 58°F
43°F to 65°F
56°F to 72°F
56°F to 61°F
58°F to 65°F
47°F to 61°F
43°F to 65°F
47°F to 70°F
Map: other cities in Canada in may
Cities near Ottawa:
| Kingston in may | good weather |
| Orillia in may | good weather |
| North Bay in may | tolerable weather |
| Toronto in may | good weather |
| Quebec City in may | good weather |
| Brampton in may | good weather |
| Niagara Falls (Ontario) in may | good weather |
| Owen Sound in may | tolerable weather |
| Greater Sudbury in may | tolerable weather |
| Bruce Peninsula in may | tolerable weather |
| Timmins in may | tolerable weather |
| Sault Ste. Marie in may | tolerable weather |
Click over cities on the map for information about the weather in may.
Ottawa
perfect weather
good
tolerable
bad
very bad
Weather data for Ottawa in may:
Weather data for Ottawa for may 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.