Weather in Ottawa in august
Climate normals based on 10 years of historical data for Ottawa, Kanada.
Average high
25°C
Average low
16°C
Rainfall
121 mm
12 rainy days
Sunshine
3.8h/day
Niiskus
77%
How Hot Is Ottawa in august?
Indian summer territory: Ottawa averages 25°C peak, 16°C low, in August.
Sunshine Hours in august
Daylight stretches from 6:05 am to 8:05 pm but clouds keep sun to about 3.8h a day.
Does It Rain In Ottawa In august?
Wet weather defines August in Ottawa — about 121mm of rain falls across 12 days.
Is Ottawa Humid In august?
Air feels constantly thick in Ottawa: 77% humidity is the norm in August.
Wind In Ottawa In august
August brings gentle winds to Ottawa — averaging 15 kph.
Cloud Cover In Ottawa In august
Grey, cloudy days are the norm: 62% average cover in Ottawa.
Cities With Similar Weather In august
Weather in Ottawa, month by month
| Month | High / Low | Vihm | |
|---|---|---|---|
| Jaanuari ilm | -4°C / -13°C | 77mm | Details → |
| Veebruari ilm | -3°C / -13°C | 75mm | Details → |
| Märtsi ilm | 2°C / -7°C | 80mm | Details → |
| Aprilli ilm | 10°C / 1°C | 110mm | Details → |
| Mai ilm | 19°C / 8°C | 90mm | Details → |
| Juuni ilm | 23°C / 13°C | 119mm | Details → |
| Juuli ilm | 26°C / 16°C | 121mm | Details → |
| Augusti ilm | 25°C / 16°C | 121mm | |
| Septembri ilm | 22°C / 12°C | 82mm | Details → |
| Oktoobri ilm | 14°C / 6°C | 111mm | Details → |
| Novembri ilm | 6°C / -1°C | 82mm | Details → |
| Detsembri ilm | 0°C / -6°C | 97mm | Details → |