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Weather in St. Catharines for July 2025

Your guide to St. Catharines weather in July - trends and predictions
  • In general, the average temperature in St. Catharines at the beginning of July is 25.3 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 25.9 °C by the end of July.

  • St. Catharines experiences an exceptionally high level of rainfall in July, with more than 20 rainy days on average.

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Average dry days
9
Dry days
Average rainy days
22
Rainy days
Average snowy days
0
Snow days
Average temperatures
26°/18°
Temperatures
Average wind speed
18 km/h
Avg max wind
Average humidity
77 %
Avg humidity

St. Catharines in July average weather

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Temperatures trend during July in St. Catharines

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
24° /16° 3.2 mm 6
2 Jul. Moderate or heavy rain shower
Moderate or heavy rain shower
22° /16° 7.6 mm 5
3 Jul. Heavy rain at times
Heavy rain at times
24° /19° 4.6 mm 6
4 Jul. Overcast
Overcast
27° /18° 0 mm 6
5 Jul. Overcast
Overcast
27° /18° 9.6 mm 6
6 Jul. Cloudy
Cloudy
27° /19° 0.7 mm 6
7 Jul. Overcast
Overcast
26° /18° 0.2 mm 6
8 Jul. Patchy rain possible
Patchy rain possible
25° /17° 0.2 mm 6
9 Jul. Heavy rain at times
Heavy rain at times
25° /19° 4.1 mm 6
10 Jul. Partly cloudy
Partly cloudy
26° /18° 12.4 mm 6
11 Jul. Overcast
Overcast
25° /18° 3.1 mm 6
12 Jul. Overcast
Overcast
24° /18° 1.6 mm 6
13 Jul. Moderate rain at times
Moderate rain at times
26° /19° 6.3 mm 6
14 Jul. Cloudy
Cloudy
26° /18° 1.8 mm 6
15 Jul. Patchy rain possible
Patchy rain possible
27° /20° 10 mm 6
16 Jul. Moderate or heavy rain shower
Moderate or heavy rain shower
26° /20° 14.4 mm 6
17 Jul. Patchy rain possible
Patchy rain possible
24° /18° 2.5 mm 6
18 Jul. Moderate rain at times
Moderate rain at times
23° /16° 1.3 mm 6
19 Jul. Patchy rain possible
Patchy rain possible
24° /16° 0.1 mm 6
20 Jul. Overcast
Overcast
25° /17° 5.7 mm 7
21 Jul. Overcast
Overcast
25° /17° 1.7 mm 6
22 Jul. Partly cloudy
Partly cloudy
24° /18° 0.1 mm 6
23 Jul. Heavy rain at times
Heavy rain at times
26° /18° 1.1 mm 6
24 Jul. Moderate rain at times
Moderate rain at times
26° /19° 5.7 mm 6
25 Jul. Patchy rain possible
Patchy rain possible
26° /17° 0.6 mm 6
26 Jul. Overcast
Overcast
27° /19° 2.5 mm 6
27 Jul. Moderate or heavy rain shower
Moderate or heavy rain shower
26° /18° 14.9 mm 7
28 Jul. Overcast
Overcast
28° /19° 0 mm 7
29 Jul. Moderate or heavy rain shower
Moderate or heavy rain shower
25° /19° 13.6 mm 6
30 Jul. Patchy rain possible
Patchy rain possible
24° /19° 3.1 mm 6
31 Jul. Patchy rain possible
Patchy rain possible
25° /18° 2.2 mm 6
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Important Notice
Our weather forecast for St. Catharines 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 St. Catharines forecast closer to your planned date for the most up-to-date weather information.

St. Catharines in July - FAQ

What are the expected maximum and minimum temperatures in St. Catharines during July?
During July, expect a variety of temperatures with highs around 26° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in St. Catharines during July?
Significant rainfall exceeding 160 mm is expected in St. Catharines during July, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in St. Catharines during July?
The average wind speed in St. Catharines during July is 18 km/h, suggesting breezy to windy conditions, depending on your activities.

July rainfall patterns in St. Catharines

Explore the daily rainfall trends and prepare for St. Cathariness July weather 💧

UV exposure in St. Catharines during July

Stay informed about UV levels for safe outdoor activities throughout the month of July ☀️

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Location coordinates Where is St. Catharines?

Get accurate weather forecasts for St. Catharines, located at latitude 43.171 and longitude -79.243. Stay updated with localized weather information tailored for St. Catharines.

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