- Save up to 50% on your second room with Marriott
- Valid when children are 16 or under only
- Travel before 3rd May 2023 (inclusive)
Ottawa weather in May 2023
- 18°C max day temperature
18
- 7 hours of sunshine per day
- 12 days with some rainfall
12
- 7°C min night temperature
7
- 15 hours of daylight per day
15
- No heat & humidity
0
- 73 mm of monthly rainfall
73
- 6 (High) UV index
6
Expires at 23:59 on Wednesday 3rd May 2023 · View all Marriott offers
Recommended for Ontario
The May weather guide for Ontario (Ottawa) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Metric (°C / mm) | Imperial (°F / inches)
More about Canada
How hot is it in Ottawa in May?
Daytime temperatures usually reach 18°C in Ottawa in May, falling to 7°C at night.
How sunny is it in Ottawa in May?
There are normally 7 hours of bright sunshine each day in Ottawa in May - that's 50% of daylight hours.
Does it rain in Ottawa in May?
There are usually 12 days with some rain in Ottawa in May and the average monthly rainfall is 73mm.
Ottawa May sunrise & sunset times
Browse the sunrise and sunset times for Ottawa in May 2023. Select a month to view Ottawa sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Monday, 1st May 2023 | 05:51 | 20:09 |
Tuesday, 16th May 2023 | 05:32 | 20:27 |
Wednesday, 31st May 2023 | 05:18 | 20:43 |
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