easeweather.com
St. Catharines
AbbotsfordAjaxAuroraBanffBarrieBoisbriandBouchervilleBramptonBrandonBrantfordBrossardBurlingtonBurnabyCalgaryCambridgeCharlottetownChathamChilliwackCoquitlamCornwallDartmouthDeltaDorvalEdmontonFort McMurrayFrederictonGatineauGranbyGrande PrairieGreater SudburyGuelphHalifaxHamiltonKamloopsKanataKelownaKingstonKitchenerLangleyLavalLethbridgeLindsayLondonMarkhamMiltonMissionMississaugaMonctonMont-RoyalMontréalMoose JawNanaimoNepeanNew GlasgowNewmarketNiagara FallsNorfolk CountyNorth BattlefordNorth BayOakvilleOkanaganOrilliaOshawaOttawaPentictonPeterboroughPickeringPointe-ClairePrince AlbertPrince EdwardPrince GeorgeQuébecRed DeerReginaRichmond HillSaguenaySaint JohnSarniaSaskatoonSault Ste. MarieSherbrooke
St. Catharines
St. John'sSurreySydneyThunder BayTimminsTorontoVancouverVaughanVictoriaWasaga BeachWaterlooWellandWest VancouverWhistlerWhitehorseWindsorWinnipegWoodstockYellowknife More Locations
Canada weather

Weather in St. Catharines for July 2027

Your guide to St. Catharines weather in July - trends and predictions

    Temperatures

  • In general, the average temperature in St. Catharines at the beginning of July is 27 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 27.1 °C by the end of July.

    • Rain 🌧️

  • St. Catharines experiences heavy rainfall in July, with over 20 rainy days and an average total precipitation 118.9 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
6
Dry days
Average rainy days
25
Rainy days
Average snowy days
0
Snow days
Average temperatures
26°/19°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
75 %
Avg humidity

St. Catharines Weather July

Move between months or click on a day
June
August
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Moderate or heavy rain shower
27°
2
Moderate or heavy rain shower
27°
3
Heavy rain at times
27°
4
Overcast
27°
5
Overcast
27°
6
Cloudy
28°
7
Overcast
26°
8
Patchy rain possible
26°
9
Light rain shower
27°
10
Light rain shower
27°
11
Overcast
26°
12
Sunny
27°
13
Moderate rain at times
29°
14
Cloudy
29°
15
Patchy rain possible
29°
16
Moderate or heavy rain shower
27°
17
Patchy rain possible
27°
18
Moderate rain at times
25°
19
Cloudy
25°
20
Sunny
26°
21
Overcast
25°
22
Patchy rain possible
24°
23
Heavy rain at times
26°
24
Sunny
28°
25
Patchy rain possible
28°
26
Overcast
27°
27
Moderate or heavy rain shower
28°
28
Overcast
28°
29
Moderate or heavy rain shower
27°
30
Patchy rain possible
26°
31
Patchy rain possible
26°

Temperatures trend during July in St. Catharines

See the weather trend as well as the moving average line

July weather in St. Catharines day by day

Click on a date for more information
June August
Date Weather Temperatures Rain UV More
1 Jul. Moderate or heavy rain shower
Moderate or heavy rain shower
 27° /19° 6.3 mm 7
2 Jul. Moderate or heavy rain shower
Moderate or heavy rain shower
 27° /18° 4 mm 7
3 Jul. Heavy rain at times
Heavy rain at times
 27° /19° 2.9 mm 7
4 Jul. Overcast
Overcast
 27° /18° 1.1 mm 7
5 Jul. Overcast
Overcast
 27° /17° 4.8 mm 7
6 Jul. Cloudy
Cloudy
 28° /20° 3.3 mm 8
7 Jul. Overcast
Overcast
 26° /18° 9.8 mm 7
8 Jul. Patchy rain possible
Patchy rain possible
 26° /17° 0.2 mm 7
9 Jul. Light rain shower
Light rain shower
 27° /18° 5.9 mm 7
10 Jul. Light rain shower
Light rain shower
 27° /19° 8.4 mm 7
11 Jul. Overcast
Overcast
 26° /18° 2.4 mm 7
12 Jul. Sunny
Sunny
 27° /18° 2.1 mm 7
13 Jul. Moderate rain at times
Moderate rain at times
 29° /19° 3.2 mm 7
14 Jul. Cloudy
Cloudy
 29° /19° 0.9 mm 8
15 Jul. Patchy rain possible
Patchy rain possible
 29° /20° 5 mm 8
16 Jul. Moderate or heavy rain shower
Moderate or heavy rain shower
 27° /19° 12 mm 7
17 Jul. Patchy rain possible
Patchy rain possible
 27° /18° 1.3 mm 7
18 Jul. Moderate rain at times
Moderate rain at times
 25° /17° 9.6 mm 7
19 Jul. Cloudy
Cloudy
 25° /15° 0.1 mm 7
20 Jul. Sunny
Sunny
 26° /17° 4.1 mm 7
21 Jul. Overcast
Overcast
 25° /18° 4.9 mm 6
22 Jul. Patchy rain possible
Patchy rain possible
 24° /16° 0.1 mm 7
23 Jul. Heavy rain at times
Heavy rain at times
 26° /15° 0.6 mm 7
24 Jul. Sunny
Sunny
 28° /17° 2.8 mm 8
25 Jul. Patchy rain possible
Patchy rain possible
 28° /17° 0.3 mm 7
26 Jul. Overcast
Overcast
 27° /18° 1.4 mm 7
27 Jul. Moderate or heavy rain shower
Moderate or heavy rain shower
 28° /19° 10.5 mm 8
28 Jul. Overcast
Overcast
 28° /19° 6.6 mm 7
29 Jul. Moderate or heavy rain shower
Moderate or heavy rain shower
 27° /19° 6.8 mm 7
30 Jul. Patchy rain possible
Patchy rain possible
 26° /18° 1.6 mm 7
31 Jul. Patchy rain possible
Patchy rain possible
 26° /18° 1.1 mm 7
Next
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.
Change Month
‹
›

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 19°, suitable for diverse activities and preferences.

How much rainfall should be expected in St. Catharines during July?
Significant rainfall exceeding 118.9 mm is expected in St. Catharines during July, occurring over more than 25 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 20 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 💧
Typically, St. Catharines has 25 rainy days in July with a total of 118.9 mm of rainfall.

UV exposure in St. Catharines during July

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

Quick links

More St. Catharines weather pages
You are here
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.

Found a mistake?
We appreciate your attention to details. Tell us here.