United States · 1991–2020 normal
Ottawa in
May.
Typical May weather in Ottawa: 24.5°C by day, 12.5°C at night, 148 mm of rain over 10.4 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high24.5°C
Typical low12.5°C
Rain148 mm
Wet days10.4
Comfort score 71 this month (September leads the year at 74). Daylight is calculated as 14 h 15 from latitude 38.62°.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4276816
- NOAA station
- USC00146128 · OTTAWA
- Station distance
- 1.2 km from the place centre
- Coverage
- Strong coverage · 29 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.