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Canada weather

Weather in Caledon for May 2026

Your guide to Caledon weather in May - trends and predictions

    Temperatures

  • Until now, May 2026 in Caledon is cooler than usual, with temperatures averaging 10.2 °C, this is -2.9 °C below the typical seasonal average.

  • The forecast for the upcoming days in Caledon predicts a temperature of 14.6 °C, which is slightly above the historical average.

  • In general, the average temperature in Caledon at the beginning of May is 12.7 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 18.4 °C by the end of May.

    • Rain 🌧️

  • Caledon experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 164.2 mm.

    • More

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

Average dry days
10
Dry days
Average rainy days
21
Rainy days
Average snowy days
0
Snow days
Average temperatures
16°/7°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
76 %
Avg humidity

Caledon Weather May

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

Temperatures trend during May in Caledon

See the weather trend as well as the moving average line

May weather in Caledon day by day

Click on a date for more information
April June
Date Weather Temperatures Rain UV More
1 May Heavy rain at times
Heavy rain at times
 10° /2° 18.4 mm 4
2 May Moderate rain at times
Moderate rain at times
 9° /2° 3 mm 4
3 May Patchy rain possible
Patchy rain possible
 12° /2° 1.6 mm 4
4 May Patchy rain possible
Patchy rain possible
 15° /5° 0.6 mm 4
5 May Patchy rain possible
Patchy rain possible
 14° /6° 0.4 mm 4
6 May Overcast
Overcast
 15° /5° 8.3 mm 5
7 May Heavy rain at times
Heavy rain at times
 14° /3° 7.9 mm 4
8 May Overcast
Overcast
 15° /4° 0.3 mm 5
9 May Partly cloudy
Partly cloudy
 14° /4° 1.7 mm 5
10 May Partly cloudy
Partly cloudy
 15° /4° 0.3 mm 6
11 May Sunny
Sunny
 10° /1° 0 mm 6
12 May Patchy rain possible
Patchy rain possible
 11° /0° 2.8 mm 6.7
13 May Heavy rain
Heavy rain
 11° /4° 20.9 mm 3.6
14 May Overcast
Overcast
 8° /3° 0.1 mm 1.9
15 May Partly cloudy
Partly cloudy
 15° /5° 0 mm 0.7
16 May Patchy rain possible
Patchy rain possible
 13° /7° 0.2 mm 3
17 May Patchy rain possible
Patchy rain possible
 17° /6° 0.6 mm 3
18 May Patchy rain possible
Patchy rain possible
 17° /7° 1.2 mm 3
19 May Sunny
Sunny
 14° /7° 0 mm 3
20 May Sunny
Sunny
 16° /5° 0 mm 4
21 May Partly cloudy
Partly cloudy
 19° /8° 0 mm 4
22 May Patchy rain possible
Patchy rain possible
 23° /11° 2.7 mm 4
23 May Patchy rain possible
Patchy rain possible
 15° /8° 2.3 mm 3
24 May Sunny
Sunny
 16° /6° 0 mm 4
25 May Sunny
Sunny
 16° /5° 3.1 mm 4
26 May Sunny
Sunny
 19° /6° 0 mm 5
27 May Sunny
Sunny
 20° /9° 1.6 mm 5
28 May Sunny
Sunny
 17° /9° 2.2 mm 4
29 May Sunny
Sunny
 17° /9° 15.2 mm 5
30 May Cloudy
Cloudy
 20° /9° 0 mm 5
31 May Sunny
Sunny
 20° /8° 4.8 mm 5
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Important Notice
Our weather forecast for Caledon 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 Caledon forecast closer to your planned date for the most up-to-date weather information.
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Caledon in May - FAQ

What are the expected maximum and minimum temperatures in Caledon during May?

Enjoy moderate daytime temperatures of up to 16° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Caledon during May?

Significant rainfall exceeding 164.2 mm is expected in Caledon during May, occurring over more than 21 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Caledon during May?

The average wind speed in Caledon during May is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in Caledon

Explore the daily rainfall trends and prepare for Caledons May weather 💧
Typically, Caledon has 21 rainy days in May with a total of 164.2 mm of rainfall.

UV exposure in Caledon during May

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

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Location coordinates Where is Caledon?

Get accurate weather forecasts for Caledon, located at latitude 43.865 and longitude -79.993. Stay updated with localized weather information tailored for Caledon.

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