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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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Average dry days
7
Dry days
Average rainy days
24
Rainy days
Average snowy days
0
Snow days
Average temperatures
27°/16°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
76 %
Avg humidity

Ottawa in July average weather

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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
Moderate or heavy rain shower
25° /13° 14.1 mm 6
2 Jul. Moderate rain at times
Moderate rain at times
26° /15° 1.5 mm 6
3 Jul. Patchy rain possible
Patchy rain possible
26° /17° 2.2 mm 6
4 Jul. Patchy rain possible
Patchy rain possible
28° /18° 0.6 mm 6
5 Jul. Overcast
Overcast
29° /16° 0 mm 7
6 Jul. Patchy rain possible
Patchy rain possible
29° /16° 3.3 mm 6
7 Jul. Moderate rain at times
Moderate rain at times
26° /18° 2.9 mm 6
8 Jul. Patchy rain possible
Patchy rain possible
28° /16° 0.4 mm 6
9 Jul. Overcast
Overcast
25° /17° 10.7 mm 6
10 Jul. Patchy rain possible
Patchy rain possible
23° /17° 9.5 mm 6
11 Jul. Moderate rain at times
Moderate rain at times
27° /17° 5.5 mm 6
12 Jul. Partly cloudy
Partly cloudy
27° /15° 0.4 mm 7
13 Jul. Moderate or heavy rain shower
Moderate or heavy rain shower
26° /16° 8.1 mm 6
14 Jul. Patchy rain possible
Patchy rain possible
27° /15° 0.2 mm 7
15 Jul. Overcast
Overcast
27° /16° 9 mm 6
16 Jul. Moderate or heavy rain shower
Moderate or heavy rain shower
25° /18° 13.5 mm 6
17 Jul. Patchy rain possible
Patchy rain possible
26° /16° 0.6 mm 6
18 Jul. Patchy rain possible
Patchy rain possible
23° /14° 0.4 mm 5
19 Jul. Patchy rain possible
Patchy rain possible
25° /13° 0.1 mm 6
20 Jul. Heavy rain at times
Heavy rain at times
27° /12° 0.9 mm 6
21 Jul. Heavy rain at times
Heavy rain at times
23° /15° 7.6 mm 5
22 Jul. Patchy rain possible
Patchy rain possible
24° /13° 0.1 mm 6
23 Jul. Sunny
Sunny
27° /14° 3.6 mm 7
24 Jul. Moderate or heavy rain shower
Moderate or heavy rain shower
26° /15° 6.3 mm 6
25 Jul. Patchy rain possible
Patchy rain possible
22° /15° 0.8 mm 5
26 Jul. Heavy rain at times
Heavy rain at times
27° /14° 1.6 mm 7
27 Jul. Moderate or heavy rain shower
Moderate or heavy rain shower
27° /15° 19.1 mm 7
28 Jul. Moderate rain at times
Moderate rain at times
28° /16° 2 mm 7
29 Jul. Heavy rain at times
Heavy rain at times
24° /15° 1.5 mm 6
30 Jul. Patchy rain possible
Patchy rain possible
26° /14° 0.1 mm 6
31 Jul. Partly cloudy
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.

July rainfall patterns in Ottawa

Explore the daily rainfall trends and prepare for Ottawas July weather 💧

UV exposure in Ottawa during July

Stay informed about UV levels for safe outdoor activities throughout the month of July ☀️
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Location coordinates Where is Ottawa?

Get accurate weather forecasts for Ottawa, located at latitude 45.411 and longitude -75.698. Stay updated with localized weather information tailored for Ottawa.

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