Ottawa
July
Weather in Ottawa for July 2025
Your guide to Ottawa weather in July - trends and predictions
In general, the average temperature in Ottawa at the beginning of July is 27 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 25.4 °C by the end of July.
Ottawa experiences an exceptionally high level of rainfall in July, with more than 20 rainy days on average.
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7
Dry days
24
Rainy days
0
Snow days
27°/16°
Temperatures
14 km/h
Avg max wind
76 %
Avg humidity
Ottawa in July average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  25° | 2 26° | 3  26° | 4 28° | 5  29° | 6 29° | |
| 7 26° | 8 28° | 9 25° | 10 23° | 11 27° | 12  27° | 13 26° |
| 14 27° | 15 27° | 16 25° | 17 26° | 18 23° | 19 25° | 20  27° |
| 21 23° | 22 24° | 23  27° | 24 26° | 25 22° | 26 27° | 27 27° |
| 28 28° | 29 24° | 30 26° | 31 24° |
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Temperatures trend during July in Ottawa
See the weather trend as well as the moving average line
July weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jul. | Moderate or heavy rain shower | 25° /13° | 14.1 mm | 6 | |
| 2 Jul. | Moderate rain at times | 26° /15° | 1.5 mm | 6 | |
| 3 Jul. | Patchy rain possible | 26° /17° | 2.2 mm | 6 | |
| 4 Jul. | Patchy rain possible | 28° /18° | 0.6 mm | 6 | |
| 5 Jul. | Overcast | 29° /16° | 0 mm | 7 | |
| 6 Jul. | Patchy rain possible | 29° /16° | 3.3 mm | 6 | |
| 7 Jul. | Moderate rain at times | 26° /18° | 2.9 mm | 6 | |
| 8 Jul. | Patchy rain possible | 28° /16° | 0.4 mm | 6 | |
| 9 Jul. | Overcast | 25° /17° | 10.7 mm | 6 | |
| 10 Jul. | Patchy rain possible | 23° /17° | 9.5 mm | 6 | |
| 11 Jul. | Moderate rain at times | 27° /17° | 5.5 mm | 6 | |
| 12 Jul. | Partly cloudy | 27° /15° | 0.4 mm | 7 | |
| 13 Jul. | Moderate or heavy rain shower | 26° /16° | 8.1 mm | 6 | |
| 14 Jul. | Patchy rain possible | 27° /15° | 0.2 mm | 7 | |
| 15 Jul. | Overcast | 27° /16° | 9 mm | 6 | |
| 16 Jul. | Moderate or heavy rain shower | 25° /18° | 13.5 mm | 6 | |
| 17 Jul. | Patchy rain possible | 26° /16° | 0.6 mm | 6 | |
| 18 Jul. | Patchy rain possible | 23° /14° | 0.4 mm | 5 | |
| 19 Jul. | Patchy rain possible | 25° /13° | 0.1 mm | 6 | |
| 20 Jul. | Heavy rain at times | 27° /12° | 0.9 mm | 6 | |
| 21 Jul. | Heavy rain at times | 23° /15° | 7.6 mm | 5 | |
| 22 Jul. | Patchy rain possible | 24° /13° | 0.1 mm | 6 | |
| 23 Jul. | Sunny | 27° /14° | 3.6 mm | 7 | |
| 24 Jul. | Moderate or heavy rain shower | 26° /15° | 6.3 mm | 6 | |
| 25 Jul. | Patchy rain possible | 22° /15° | 0.8 mm | 5 | |
| 26 Jul. | Heavy rain at times | 27° /14° | 1.6 mm | 7 | |
| 27 Jul. | Moderate or heavy rain shower | 27° /15° | 19.1 mm | 7 | |
| 28 Jul. | Moderate rain at times | 28° /16° | 2 mm | 7 | |
| 29 Jul. | Heavy rain at times | 24° /15° | 1.5 mm | 6 | |
| 30 Jul. | Patchy rain possible | 26° /14° | 0.1 mm | 6 | |
| 31 Jul. | Partly cloudy | 24° /17° | 5.4 mm | 6 | |
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Important Notice
Our weather forecast for Ottawa in July is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Ottawa forecast closer to your planned date for the most up-to-date weather information.
Ottawa in July - FAQ
What are the expected maximum and minimum temperatures in Ottawa during July?
During July, expect a variety of temperatures with highs around 27° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in Ottawa during July?
Significant rainfall exceeding 168.1 mm is expected in Ottawa during July, occurring over more than 24 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Ottawa during July?
The average wind speed in Ottawa during July is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
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