| < May >
|Normal Max/ High Temperature
|Min/ Low Temperature
|Average Daylight per day
|Sun altitude at solar noon on the 21st day.
- The average temperature in Ottawa (Airport) in May is mild at 12.8 °C (55.04 °F).
- Afternoons can be somewhat warm with average high temperatures reaching 18.6 °C (65.5 °F).
- Overnight temperatures are generally a little cool with an average low of 7.1 °C (44.8 °F).
- The range/ variation of diurnal average temperatures in May is 11.5 °C (20.7 °F).
- The weather in May is somewhat dry. Just 76.4mm (3in) of fluid is laid down.
- The shortest day is 14:15 long and the longest day is 15:22 long with an average length of 14:52.
Check the distance to and compare the Ottawa (airport) May averages with somewhere beginning with:
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Weather Trend Graph for May in Ottawa (airport), Canada
Navigate to May Weather in Locations Surrounding Ottawa (Airport):
- Maniwaki, Qc, Canada - 112 kms (69.6 miles) NNW
- Petawawa, On, Canada - 145.9 kms (90.6 miles) WNW
- Bonavista, Nf, Canada - 136.9 kms (85.1 miles) WNW
- Kingston, On, Canada - 142.9 kms (88.8 miles) SSW
- Watertown, Ny, Usa - 149.4 kms (92.8 miles) S
- Kuujjuarapik, Qc, Canada - 133.2 kms (82.8 miles) ENE
- Montreal, Quebec, Canada - 177.1 kms (110.1 miles) E
- Montreal/ Dorval, Qc, Canada - 150.7 kms (93.7 miles) E
- Ottawa, Ontario, Canada - 1.6 kms (1 miles) SSE
- Canton, Ny, Usa - 63.6 kms (39.5 miles) SE
- Ogdensburge, Ny, Usa - 63.6 kms (39.5 miles) SE
- Lake Placid , Ny, Usa - 176.7 kms (109.8 miles) SE
- Lowville, Ny, Usa - 171.3 kms (106.5 miles) S