Ottawa weather in July 2026

Expect daytime maximum temperatures of 79°F in Ottawa, Ontario in July based on long-term weather averages. There are 9 hours of sunshine per day on average with 11 days with some rainfall and typically 3.5 inches of rainfall in the month.

  • 79°F maximum daytime temperature in July in Ottawa79
    79°F max day temperature
  • 9 hours of sunshine per day
  • 11 days with some rainfall in July in Ottawa11
    11 days with some rainfall
  • 59°F minimum night-time temperature in July in Ottawa59
    59°F 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
  • 3.5 inches monthly rainfall in July in Ottawa3.5
    3.5 inches 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)  |  Imperial (°F)

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More about Ontario

How hot is it in Ottawa in July?

Daytime temperatures usually reach 81°F in Ottawa in July with low heat and humidity, falling to 61°F 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 60% of daylight hours.

How warm is the sea around Ottawa in July?

The average sea temperature around Ottawa in July is 66°F.

Does it rain in Ottawa in July?

There are usually 9 days with some rain in Ottawa in July and the average monthly rainfall is 2.8 inches.

Ottawa July sunrise & sunset times

Browse the sunrise and sunset times for Ottawa in July 2026. Select a month to view Ottawa sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st July 2026 04:18 19:55
Thursday, 16th July 2026 04:30 19:47
Friday, 31st July 2026 04:46 19:32

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