Orillia
May
Weather in Orillia for May 2025
Your guide to Orillia weather in May - trends and predictions
In general, the average temperature in Orillia at the beginning of May is 15.3 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 20.1 °C by the end of May.
The climate of Orillia in May is notably wet, with an average of 15 rainy days.
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16
Dry days
15
Rainy days
0
Snow days
18°/8°
Temperatures
16 km/h
Avg max wind
77 %
Avg humidity
Orillia in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  17° | 2  12° | 3  17° | 4  15° | |||
| 5 12° | 6  16° | 7  18° | 8  16° | 9 12° | 10 13° | 11 12° |
| 12 12° | 13 18° | 14 17° | 15 19° | 16  19° | 17 18° | 18 21° |
| 19  22° | 20 13° | 21 18° | 22 21° | 23 21° | 24  16° | 25 16° |
| 26 21° | 27 20° | 28 18° | 29 21° | 30 22° | 31 23° |
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Temperatures trend during May in Orillia
See the weather trend as well as the moving average line
May weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May | Light drizzle | 17° /7° | 1.6 mm | 4 | |
| 2 May | Overcast | 12° /5° | 0 mm | 3 | |
| 3 May | Light rain shower | 17° /8° | 0.6 mm | 4 | |
| 4 May | Fog | 15° /10° | 0.5 mm | 4 | |
| 5 May | Light drizzle | 12° /8° | 2.3 mm | 3 | |
| 6 May | Sunny | 16° /4° | 0 mm | 5 | |
| 7 May | Cloudy | 18° /6° | 0.7 mm | 4 | |
| 8 May | Patchy light rain with thunder | 16° /7° | 6.2 mm | 4 | |
| 9 May | Patchy rain possible | 12° /7° | 0.6 mm | 3 | |
| 10 May | Patchy rain possible | 13° /5° | 0.2 mm | 3 | |
| 11 May | Light rain shower | 12° /6° | 3.2 mm | 3 | |
| 12 May | Fog | 12° /8° | 1.4 mm | 3 | |
| 13 May | Light rain shower | 18° /9° | 6 mm | 4 | |
| 14 May | Patchy rain possible | 17° /9° | 0.4 mm | 4 | |
| 15 May | Patchy rain possible | 19° /7° | 0.3 mm | 4 | |
| 16 May | Partly cloudy | 19° /8° | 0 mm | 5 | |
| 17 May | Light rain shower | 18° /11° | 3.3 mm | 4 | |
| 18 May | Fog | 21° /11° | 0 mm | 5 | |
| 19 May | Moderate rain at times | 22° /12° | 2.2 mm | 5 | |
| 20 May | Moderate or heavy rain shower | 13° /9° | 26.5 mm | 3 | |
| 21 May | Sunny | 18° /6° | 0.1 mm | 5 | |
| 22 May | Sunny | 21° /10° | 4.1 mm | 5 | |
| 23 May | Sunny | 21° /9° | 0.1 mm | 6 | |
| 24 May | Heavy rain at times | 16° /8° | 1.2 mm | 5 | |
| 25 May | Sunny | 16° /5° | 1.5 mm | 5 | |
| 26 May | Sunny | 21° /7° | 0 mm | 6 | |
| 27 May | Sunny | 20° /10° | 3.8 mm | 5 | |
| 28 May | Partly cloudy | 18° /8° | 4.2 mm | 5 | |
| 29 May | Sunny | 21° /8° | 0 mm | 6 | |
| 30 May | Sunny | 22° /8° | 0 mm | 6 | |
| 31 May | Sunny | 23° /10° | 0 mm | 6 | |
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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.
Orillia in May - FAQ
What are the expected maximum and minimum temperatures in Orillia during May?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Orillia during May?
Moderate rainfall is anticipated in Orillia during May, with a total of 66.9 mm spread over approximately 15 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Orillia during May?
The average wind speed in Orillia during May is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
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