easeweather.com
Units
°C
°F
Châteauguay
Forecast Today Tomorrow
More destinations
Quebec CanadaUnited States
Search for a location
Search
Châteauguay
AbbotsfordAjaxAuroraBanffBarrieBoisbriandBouchervilleBramptonBrandonBrantfordBurlingtonBurnabyCalgaryCambridgeCharlottetownChathamChilliwack
Châteauguay
CoquitlamCornwallDartmouthDeltaDorvalEdmontonFort McMurrayFrederictonGatineauGranbyGrande PrairieGreater SudburyGuelphHalifaxHamiltonKamloopsKanataKelownaKingstonKitchenerLangleyLavalLethbridgeLindsayLondonMarkhamMiltonMissionMississaugaMonctonMont-RoyalMontréalMoose JawNanaimoNepeanNew GlasgowNewmarketNiagara FallsNorfolk CountyNorth BayOakvilleOkanaganOrilliaOshawaOttawaPentictonPeterboroughPickeringPointe-ClairePrince AlbertPrince EdwardPrince GeorgeQuébecRed DeerReginaRichmond HillSaguenaySaint JohnSarniaSaskatoonSault Ste. MarieSherbrookeSt. CatharinesSt. John'sSurreySydneyTerrebonneThunder BayTimminsTorontoVancouverVaughanVictoriaWalnut GroveWasaga BeachWaterlooWellandWest VancouverWhistlerWindsorWinnipegWoodstockYellowknife More Locations
Canada weather

Weather in Châteauguay for May 2026

Your guide to Châteauguay weather in May - trends and predictions

    Temperatures

  • In general, the average temperature in Châteauguay at the beginning of May is 15.9 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 21.3 °C by the end of May.

    • Rain 🌧️

  • Châteauguay in May brings notable rainfall, with an average of 16 rainy days and a total precipitation of 116.1 mm.

    • More

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

Average dry days
15
Dry days
Average rainy days
16
Rainy days
Average snowy days
0
Snow days
Average temperatures
17°/9°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
76 %
Avg humidity

Châteauguay Weather May

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

Temperatures trend during May in Châteauguay

See the weather trend as well as the moving average line

May weather in Châteauguay day by day

Click on a date for more information
April June
Date Weather Temperatures Rain UV More
1 May Patchy rain possible
Patchy rain possible
 13° /2° 0 mm 3
2 May Light drizzle
Light drizzle
 13° /8° 9.2 mm 4
3 May Patchy rain possible
Patchy rain possible
 15° /6° 0.1 mm 4
4 May Light rain
Light rain
 15° /6° 4.3 mm 4
5 May Light rain
Light rain
 17° /8° 4.7 mm 5
6 May Fog
Fog
 19° /9° 12.8 mm 5
7 May Partly cloudy
Partly cloudy
 19° /9° 0 mm 5
8 May Light rain shower
Light rain shower
 10° /7° 1.7 mm 3
9 May Patchy rain possible
Patchy rain possible
 8° /5° 0.1 mm 2
10 May Partly cloudy
Partly cloudy
 16° /5° 0 mm 5
11 May Light rain shower
Light rain shower
 15° /6° 2.2 mm 4
12 May Patchy rain possible
Patchy rain possible
 15° /7° 0.8 mm 4
13 May Light drizzle
Light drizzle
 21° /10° 1.8 mm 5
14 May Light rain shower
Light rain shower
 21° /12° 10.6 mm 6
15 May Partly cloudy
Partly cloudy
 21° /12° 0 mm 5
16 May Patchy rain possible
Patchy rain possible
 23° /14° 1.6 mm 6
17 May Patchy rain possible
Patchy rain possible
 24° /15° 2.6 mm 6
18 May Light rain shower
Light rain shower
 15° /11° 12.9 mm 4
19 May Partly cloudy
Partly cloudy
 14° /8° 14.4 mm 4
20 May Moderate or heavy rain shower
Moderate or heavy rain shower
 13° /8° 11.7 mm 4
21 May Patchy rain possible
Patchy rain possible
 17° /8° 2.6 mm 4
22 May Sunny
Sunny
 17° /9° 4.8 mm 4
23 May Sunny
Sunny
 18° /9° 0 mm 4
24 May Moderate or heavy rain shower
Moderate or heavy rain shower
 13° /7° 8.4 mm 3
25 May Partly cloudy
Partly cloudy
 17° /6° 0 mm 5
26 May Sunny
Sunny
 22° /8° 0 mm 6
27 May Partly cloudy
Partly cloudy
 22° /10° 2.9 mm 5
28 May Sunny
Sunny
 25° /12° 2.4 mm 6
29 May Sunny
Sunny
 19° /12° 0 mm 5
30 May Cloudy
Cloudy
 22° /10° 0 mm 5
31 May Sunny
Sunny
 22° /10° 0 mm 6
Next
Important Notice
Our weather forecast for Châteauguay in May 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 Châteauguay forecast closer to your planned date for the most up-to-date weather information.
Change Month
‹
›

Châteauguay in May - FAQ

What are the expected maximum and minimum temperatures in Châteauguay during May?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Châteauguay during May?
Significant rainfall exceeding 116.1 mm is expected in Châteauguay during May, occurring over more than 16 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Châteauguay during May?
The average wind speed in Châteauguay during May is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in Châteauguay

Explore the daily rainfall trends and prepare for Châteauguays May weather 💧

UV exposure in Châteauguay during May

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

Quick links

More Châteauguay weather pages
You are here
Location coordinates Where is Châteauguay?

Get accurate weather forecasts for Châteauguay, located at latitude 45.383 and longitude -73.749. Stay updated with localized weather information tailored for Châteauguay.

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