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Weather in Orillia for May 2026

Your guide to Orillia weather in May - trends and predictions

    Snow Forecast ❄️

  • Snowfall in Orillia during May is quite rare, with fewer than 2 snowy days on average.
    According to Orillia snow forecast for May 2026, 1 snowy day is expected at the beginning of May at Sunday, 3 May.

    • Temperatures

  • The forecast for the first days of May 2026 in Orillia predicts temperatures to be around 11 °C, close to the historical average.

  • In general, the average temperature in Orillia at the beginning of May is 9.1 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 19.3 °C by the end of May.

    • Rain 🌧️

  • Orillia in May brings notable rainfall, with an average of 19 rainy days and a total precipitation of 150.4 mm.

    • More

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

Average dry days
12
Dry days
Average rainy days
19
Rainy days
Average snowy days
0
Snow days
Average temperatures
17°/7°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
76 %
Avg humidity

Orillia Weather May

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

Temperatures trend during May in Orillia

See the weather trend as well as the moving average line

May weather in Orillia day by day

Click on a date for more information
April June
Date Weather Temperatures Rain Snow More
1 May Patchy rain possible
Patchy rain possible
 8° /-1° 0.8 mm 0 cm
2 May Partly cloudy
Partly cloudy
 6° /-2° 0 mm 0 cm
3 May Patchy rain possible
Patchy rain possible
 8° /-1° 0.7 mm 0.5 cm
4 May Partly cloudy
Partly cloudy
 12° /1° 0 mm 0 cm
5 May Patchy rain possible
Patchy rain possible
 9° /4° 4.7 mm 0 cm
6 May Partly cloudy
Partly cloudy
 9° /1° 0 mm 0 cm
7 May Patchy rain possible
Patchy rain possible
 12° /1° 0.7 mm 0 cm
8 May Patchy rain possible
Patchy rain possible
 9° /1° 0.1 mm 0 cm
9 May Partly cloudy
Partly cloudy
 11° /2° 0 mm 0 cm
10 May Sunny
Sunny
 13° /3° 0 mm 0 cm
11 May Partly cloudy
Partly cloudy
 15° /5° 0 mm 0 cm
12 May Patchy rain possible
Patchy rain possible
 21° /8° 2.7 mm 0 cm
13 May Light rain shower
Light rain shower
 18° /10° 5.8 mm 0 cm
14 May Patchy rain possible
Patchy rain possible
 18° /11° 0.2 mm 0 cm
15 May Patchy rain possible
Patchy rain possible
 20° /10° 0.2 mm 0 cm
16 May Partly cloudy
Partly cloudy
 21° /10° 5.4 mm 0 cm
17 May Light rain shower
Light rain shower
 17° /10° 18.3 mm 0 cm
18 May Fog
Fog
 16° /8° 4.3 mm 0 cm
19 May Moderate rain at times
Moderate rain at times
 18° /7° 1.1 mm 0 cm
20 May Moderate or heavy rain shower
Moderate or heavy rain shower
 15° /6° 13.2 mm 0 cm
21 May Sunny
Sunny
 14° /6° 4.8 mm 0 cm
22 May Sunny
Sunny
 16° /8° 13.4 mm 0 cm
23 May Sunny
Sunny
 16° /7° 14.7 mm 0 cm
24 May Heavy rain at times
Heavy rain at times
 15° /7° 0.8 mm 0 cm
25 May Sunny
Sunny
 16° /4° 1 mm 0 cm
26 May Sunny
Sunny
 21° /6° 0 mm 0 cm
27 May Sunny
Sunny
 20° /7° 2.5 mm 0 cm
28 May Light rain shower
Light rain shower
 19° /8° 5.6 mm 0 cm
29 May Sunny
Sunny
 19° /8° 5.9 mm 0 cm
30 May Sunny
Sunny
 21° /8° 0 mm 0 cm
31 May Sunny
Sunny
 19° /8° 2.8 mm 0 cm
Next
Important Notice
Our weather forecast for Orillia 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 Orillia forecast closer to your planned date for the most up-to-date weather information.
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Orillia in May - FAQ

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

Enjoy moderate daytime temperatures of up to 17° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Orillia during May?

Significant rainfall exceeding 150.4 mm is expected in Orillia during May, occurring over more than 19 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Orillia during May?

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

Orillia snow forecast May 2026

Track daily snowfall levels and discover Orillia’s snowy potential this May ❄️

May rainfall patterns in Orillia

Explore the daily rainfall trends and prepare for Orillias May weather 💧
Typically, Orillia has 19 rainy days in May with a total of 150.4 mm of rainfall.

UV exposure in Orillia during May

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

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Location coordinates Where is Orillia?

Get accurate weather forecasts for Orillia, located at latitude 44.609 and longitude -79.421. Stay updated with localized weather information tailored for Orillia.

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