Month-by-month travel weather
Ottawa July weather
Ottawa, Canada · July
Heat index and storm bursts can matter
Warm days are common, with occasional sticky humidity. Short storms can interrupt plans.
July averages at a glance
Average low
around 17–19°C
Average high
around 25–28°C
Average precipitation
around 70–110 mm
Precip days
about 8–11 days
What to wear in July in Ottawa
Actual feel will change with wind and rain, but use the suggestions below to build a comfortable layered outfit.
- • Breathable clothing
- • Optional rain option
Travel tips for visiting Ottawa in July
- • If humidity feels heavy, keep long walks to morning or evening.
July weather in Ottawa — FAQ
Q. Is July hot at night?
A. Nights can stay warm, and humidity can add a sticky feel.
Explore Ottawa
These pages are connected so you can compare conditions and decide for yourself.