Ottawa weather in July 2025

Expect 26°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Ottawa in July. Check more long-term weather averages for Ottawa in July before you book your next holiday to Ontario in 2025/2026.

  • 26°C maximum daytime temperature in July in Ottawa26
    26°C max day temperature
  • 9 hours of sunshine per day
  • 11 days with some rainfall in July in Ottawa11
    11 days with some rainfall
  • 15°C minimum night-time temperature in July in Ottawa15
    15°C min night temperature
  • 15 hours of daylight per day in July in Ottawa15
    15 hours of daylight per day
  • Low heat & humidity in July in OttawaL
    Low heat & humidity
  • 88 mm monthly rainfall in July in Ottawa88
    88 mm of monthly rainfall
  • UV (maximum) index 7 (High) in July in Ottawa7
    7 (High) UV index

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The July 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.

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Ottawa in July?

Daytime temperatures usually reach 26°C in Ottawa in July with low heat and humidity, falling to 15°C at night.

How sunny is it in Ottawa in July?

There are normally 9 hours of bright sunshine each day in Ottawa in July - that's 59% of daylight hours.

Does it rain in Ottawa in July?

There are usually 11 days with some rain in Ottawa in July and the average monthly rainfall is 88mm.

Ottawa July sunrise & sunset times

Browse the sunrise and sunset times for Ottawa in July 2025. Select a month to view Ottawa sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st July 2025 04:19 19:55
Wednesday, 16th July 2025 04:30 19:47
Thursday, 31st July 2025 04:46 19:31

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