Orillia weather in May
In May, Orillia sees average daytime highs of 18°C and overnight lows near 8°C, with 87 mm of precipitation across 11.1 wet days and about 14.6 hours of daylight. It is the 5th-warmest and 5th-wettest month of the year here.
Highs climb over the month, from about 15°C in the first days to 20°C by the end. The sky is clear or mostly clear about 29% of the time in May, and the air most often feels dry.
Daylight stretches from about 14 hours at the start of May to 15 h 06 min by month's end. Set against the rest of the year, May is Orillia's 5th-clearest and 8th-windiest month. For the whole year in context, see Orillia's year-round climate.
- Daytime high
- 18°
- 5th warmest
- Overnight low
- 8°
- 8th coldest
- Precipitation
- 87 mm
- 11.1 wet days
- Daylight
- 14 h 36 min
- 4:56 AM – 7:32 PM
- Cloud cover
- 62%
- 5th clearest
- Wind
- 12 km/h
- 8th windiest
- Solar energy
- 5.79 kWh/m²
- Travel score
- 5.5
- out of 10
Orillia is city in Ontario, Canada.
- Founded
- 1867
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in May
Highs climb over the month, from about 15°C in the first days to 20°C by the end.
A typical May day in Orillia reaches about 18°C in the afternoon and slips back to 8°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 26°C. Set against its neighbours, May runs about 7°C warmer than April and about 5°C cooler than June.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 |
| Avg low (°C) | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 11 | 11 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 15 | 5 |
| 2 | 15 | 5 |
| 3 | 15 | 5 |
| 4 | 15 | 6 |
| 5 | 16 | 6 |
| 6 | 16 | 6 |
| 7 | 16 | 6 |
| 8 | 16 | 6 |
| 9 | 17 | 7 |
| 10 | 17 | 7 |
| 11 | 17 | 7 |
| 12 | 17 | 7 |
| 13 | 17 | 7 |
| 14 | 17 | 7 |
| 15 | 18 | 8 |
| 16 | 18 | 8 |
| 17 | 18 | 8 |
| 18 | 18 | 8 |
| 19 | 18 | 8 |
| 20 | 19 | 9 |
| 21 | 19 | 9 |
| 22 | 19 | 9 |
| 23 | 19 | 9 |
| 24 | 20 | 9 |
| 25 | 20 | 10 |
| 26 | 20 | 10 |
| 27 | 20 | 10 |
| 28 | 20 | 10 |
| 29 | 20 | 10 |
| 30 | 21 | 11 |
| 31 | 21 | 11 |
How May really feels in Orillia
Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Orillia weather by month
How May compares with the rest of the year at a glance. May is the 5th-warmest and 5th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | -4° / -11° | 65 | 11.9 | 11.5 | 9 | 0.0 |
| Feb | -3° / -11° | 50 | 9 | 8.5 | 10.1 | 0.0 |
| Mar | 2° / -6° | 60 | 10.1 | 7 | 11.6 | 0.0 |
| Apr | 10° / 1° | 79 | 11.1 | 3.1 | 13.2 | 2.4 |
| May | 18° / 8° | 87 | 11.1 | 0 | 14.6 | 5.5 |
| Jun | 23° / 13° | 94 | 11 | 0 | 15.3 | 6.6 |
| Jul | 25° / 16° | 88 | 11.7 | 0 | 15 | 6.7 |
| Aug | 24° / 15° | 88 | 11.5 | 0 | 13.9 | 6.8 |
| Sep | 20° / 11° | 84 | 10.9 | 0 | 12.3 | 6.1 |
| Oct | 13° / 5° | 88 | 13.6 | 0.5 | 10.7 | 3.1 |
| Nov | 5° / -1° | 76 | 12.3 | 4.9 | 9.4 | 0.4 |
| Dec | -1° / -7° | 65 | 12.9 | 10.7 | 8.7 | 0.0 |
Cloud cover in May
The sky is clear or mostly clear about 29% of the time in May.
Beyond those clear spells, partly cloudy skies cover about 14% of May, with mostly cloudy or overcast conditions the remaining 57%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 40 | 40 | 41 | 40 | 40 | 41 | 41 | 41 | 42 | 42 | 42 | 43 | 43 | 43 | 43 | 44 | 44 | 45 | 45 | 45 | 45 | 46 | 46 | 45 | 44 | 44 | 44 | 44 | 45 | 44 | 44 |
| Cloudier (%) | 60 | 60 | 59 | 60 | 60 | 59 | 59 | 59 | 58 | 58 | 58 | 57 | 57 | 57 | 57 | 56 | 56 | 55 | 55 | 55 | 55 | 54 | 54 | 55 | 56 | 56 | 56 | 56 | 55 | 56 | 56 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 40 | 60 |
| 2 | 40 | 60 |
| 3 | 41 | 59 |
| 4 | 40 | 60 |
| 5 | 40 | 60 |
| 6 | 41 | 59 |
| 7 | 41 | 59 |
| 8 | 41 | 59 |
| 9 | 42 | 58 |
| 10 | 42 | 58 |
| 11 | 42 | 58 |
| 12 | 43 | 57 |
| 13 | 43 | 57 |
| 14 | 43 | 57 |
| 15 | 43 | 57 |
| 16 | 44 | 56 |
| 17 | 44 | 56 |
| 18 | 45 | 55 |
| 19 | 45 | 55 |
| 20 | 45 | 55 |
| 21 | 45 | 55 |
| 22 | 46 | 54 |
| 23 | 46 | 54 |
| 24 | 45 | 55 |
| 25 | 44 | 56 |
| 26 | 44 | 56 |
| 27 | 44 | 56 |
| 28 | 44 | 56 |
| 29 | 45 | 55 |
| 30 | 44 | 56 |
| 31 | 44 | 56 |
Chance of precipitation in May
Orillia gets around 87 mm of rain and snow over 11.1 wet days in May. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable precipitation averages around 35% and peaks near 37% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 37 | 37 | 36 | 37 | 37 | 37 | 37 | 37 | 37 | 36 | 36 | 36 | 35 | 35 | 35 | 35 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 35 | 35 | 36 | 36 | 36 | 36 |
| Snow chance (%) | 2 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Rain chance (%) | Snow chance (%) | |
|---|---|---|
| 1 | 37 | 2 |
| 2 | 37 | 1 |
| 3 | 36 | 1 |
| 4 | 37 | 1 |
| 5 | 37 | 1 |
| 6 | 37 | 0 |
| 7 | 37 | 0 |
| 8 | 37 | 0 |
| 9 | 37 | 0 |
| 10 | 36 | 0 |
| 11 | 36 | 0 |
| 12 | 36 | 0 |
| 13 | 35 | 0 |
| 14 | 35 | 0 |
| 15 | 35 | 0 |
| 16 | 35 | 0 |
| 17 | 34 | 0 |
| 18 | 34 | 0 |
| 19 | 34 | 0 |
| 20 | 34 | 0 |
| 21 | 34 | 0 |
| 22 | 34 | 0 |
| 23 | 34 | 0 |
| 24 | 34 | 0 |
| 25 | 34 | 0 |
| 26 | 35 | 0 |
| 27 | 35 | 0 |
| 28 | 36 | 0 |
| 29 | 36 | 0 |
| 30 | 36 | 0 |
| 31 | 36 | 0 |
Humidity in May
Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, May lands in the dry band about 88% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 99 | 99 | 98 | 97 | 97 | 97 | 96 | 96 | 96 | 95 | 95 | 94 | 93 | 92 | 92 | 91 | 90 | 89 | 88 | 87 | 84 | 83 | 82 | 81 | 79 | 79 | 76 | 76 | 75 | 73 | 73 |
| Comfortable (%) | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 4 | 5 | 5 | 6 | 6 | 7 | 7 | 8 | 8 | 9 | 10 | 11 | 11 | 12 | 13 | 13 | 14 | 14 | 15 | 16 | 16 |
| Humid (%) | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 3 | 4 | 4 | 5 | 5 | 6 | 6 | 7 | 7 | 8 | 8 | 8 | 9 | 9 |
| Muggy (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | |
|---|---|---|---|---|
| 1 | 99 | 1 | 0 | 0 |
| 2 | 99 | 1 | 0 | 0 |
| 3 | 98 | 2 | 0 | 0 |
| 4 | 97 | 2 | 1 | 0 |
| 5 | 97 | 2 | 1 | 0 |
| 6 | 97 | 2 | 1 | 0 |
| 7 | 96 | 3 | 1 | 0 |
| 8 | 96 | 3 | 1 | 0 |
| 9 | 96 | 3 | 1 | 0 |
| 10 | 95 | 4 | 1 | 0 |
| 11 | 95 | 4 | 1 | 0 |
| 12 | 94 | 5 | 1 | 0 |
| 13 | 93 | 5 | 2 | 0 |
| 14 | 92 | 6 | 2 | 0 |
| 15 | 92 | 6 | 2 | 0 |
| 16 | 91 | 7 | 2 | 0 |
| 17 | 90 | 7 | 3 | 0 |
| 18 | 89 | 8 | 3 | 0 |
| 19 | 88 | 8 | 4 | 0 |
| 20 | 87 | 9 | 4 | 0 |
| 21 | 84 | 10 | 5 | 1 |
| 22 | 83 | 11 | 5 | 1 |
| 23 | 82 | 11 | 6 | 1 |
| 24 | 81 | 12 | 6 | 1 |
| 25 | 79 | 13 | 7 | 1 |
| 26 | 79 | 13 | 7 | 1 |
| 27 | 76 | 14 | 8 | 2 |
| 28 | 76 | 14 | 8 | 2 |
| 29 | 75 | 15 | 8 | 2 |
| 30 | 73 | 16 | 9 | 2 |
| 31 | 73 | 16 | 9 | 2 |
Wind in May
Winds average 12 km/h in May.
Across May, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 13 | light breeze |
| 2 | 13 | light breeze |
| 3 | 12 | light breeze |
| 4 | 12 | light breeze |
| 5 | 12 | light breeze |
| 6 | 12 | light breeze |
| 7 | 12 | light breeze |
| 8 | 12 | light breeze |
| 9 | 12 | light breeze |
| 10 | 12 | light breeze |
| 11 | 12 | light breeze |
| 12 | 12 | light breeze |
| 13 | 12 | light breeze |
| 14 | 12 | light breeze |
| 15 | 12 | light breeze |
| 16 | 12 | light breeze |
| 17 | 12 | light breeze |
| 18 | 12 | light breeze |
| 19 | 12 | light breeze |
| 20 | 12 | light breeze |
| 21 | 12 | light breeze |
| 22 | 12 | light breeze |
| 23 | 12 | light breeze |
| 24 | 12 | light breeze |
| 25 | 12 | light breeze |
| 26 | 12 | calm |
| 27 | 12 | calm |
| 28 | 12 | calm |
| 29 | 12 | calm |
| 30 | 12 | calm |
| 31 | 12 | calm |
Sunrise & sunset in May
Daylight runs from about 14 hours at the start of May to 15 h 06 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 66 minutes over May. Sunrise moves from 5:16 AM to 4:43 AM, and sunset from 7:14 PM to 7:48 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 14.0 | 14.0 | 14.1 | 14.1 | 14.2 | 14.2 | 14.2 | 14.3 | 14.3 | 14.4 | 14.4 | 14.4 | 14.5 | 14.5 | 14.6 | 14.6 | 14.6 | 14.7 | 14.7 | 14.7 | 14.8 | 14.8 | 14.9 | 14.9 | 14.9 | 14.9 | 15.0 | 15.0 | 15.0 | 15.1 | 15.1 |
| Sunrise (AM) | 5:16 | 5:14 | 5:13 | 5:11 | 5:10 | 5:08 | 5:07 | 5:06 | 5:04 | 5:03 | 5:02 | 5:01 | 4:59 | 4:58 | 4:57 | 4:56 | 4:55 | 4:54 | 4:53 | 4:52 | 4:51 | 4:50 | 4:49 | 4:48 | 4:47 | 4:46 | 4:45 | 4:45 | 4:44 | 4:43 | 4:43 |
| Sunset (PM) | 7:14 | 7:15 | 7:16 | 7:18 | 7:19 | 7:20 | 7:21 | 7:23 | 7:24 | 7:25 | 7:26 | 7:27 | 7:29 | 7:30 | 7:31 | 7:32 | 7:33 | 7:34 | 7:35 | 7:37 | 7:38 | 7:39 | 7:40 | 7:41 | 7:42 | 7:43 | 7:44 | 7:45 | 7:46 | 7:47 | 7:48 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 14.0 | 5:16 | 7:14 |
| 2 | 14.0 | 5:14 | 7:15 |
| 3 | 14.1 | 5:13 | 7:16 |
| 4 | 14.1 | 5:11 | 7:18 |
| 5 | 14.2 | 5:10 | 7:19 |
| 6 | 14.2 | 5:08 | 7:20 |
| 7 | 14.2 | 5:07 | 7:21 |
| 8 | 14.3 | 5:06 | 7:23 |
| 9 | 14.3 | 5:04 | 7:24 |
| 10 | 14.4 | 5:03 | 7:25 |
| 11 | 14.4 | 5:02 | 7:26 |
| 12 | 14.4 | 5:01 | 7:27 |
| 13 | 14.5 | 4:59 | 7:29 |
| 14 | 14.5 | 4:58 | 7:30 |
| 15 | 14.6 | 4:57 | 7:31 |
| 16 | 14.6 | 4:56 | 7:32 |
| 17 | 14.6 | 4:55 | 7:33 |
| 18 | 14.7 | 4:54 | 7:34 |
| 19 | 14.7 | 4:53 | 7:35 |
| 20 | 14.7 | 4:52 | 7:37 |
| 21 | 14.8 | 4:51 | 7:38 |
| 22 | 14.8 | 4:50 | 7:39 |
| 23 | 14.9 | 4:49 | 7:40 |
| 24 | 14.9 | 4:48 | 7:41 |
| 25 | 14.9 | 4:47 | 7:42 |
| 26 | 14.9 | 4:46 | 7:43 |
| 27 | 15.0 | 4:45 | 7:44 |
| 28 | 15.0 | 4:45 | 7:45 |
| 29 | 15.0 | 4:44 | 7:46 |
| 30 | 15.1 | 4:43 | 7:47 |
| 31 | 15.1 | 4:43 | 7:48 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 5.79 kWh/m².
For context, solar energy here swings from a low near 1.29 kWh/m² to a high of 6.22 kWh/m² in June across the year — May's 5.79 kWh/m² sits near the top of that range.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.4 | 5.4 | 5.5 | 5.5 | 5.5 | 5.6 | 5.6 | 5.6 | 5.6 | 5.7 | 5.7 | 5.7 | 5.7 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.9 | 5.9 | 5.9 | 5.9 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.4 | Bright |
| 2 | 5.4 | Bright |
| 3 | 5.5 | Bright |
| 4 | 5.5 | Bright |
| 5 | 5.5 | Bright |
| 6 | 5.6 | Bright |
| 7 | 5.6 | Bright |
| 8 | 5.6 | Bright |
| 9 | 5.6 | Bright |
| 10 | 5.7 | Bright |
| 11 | 5.7 | Bright |
| 12 | 5.7 | Bright |
| 13 | 5.7 | Bright |
| 14 | 5.8 | Bright |
| 15 | 5.8 | Bright |
| 16 | 5.8 | Bright |
| 17 | 5.8 | Bright |
| 18 | 5.8 | Bright |
| 19 | 5.9 | Bright |
| 20 | 5.9 | Bright |
| 21 | 5.9 | Bright |
| 22 | 5.9 | Bright |
| 23 | 6.0 | Bright |
| 24 | 6.0 | Bright |
| 25 | 6.0 | Bright |
| 26 | 6.0 | Intense |
| 27 | 6.0 | Intense |
| 28 | 6.0 | Intense |
| 29 | 6.0 | Intense |
| 30 | 6.0 | Intense |
| 31 | 6.0 | Intense |
Is May a good time to visit Orillia?
Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
May is a reasonable time to visit Orillia for sightseeing.
What to pack for Orillia in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, Orillia sees daytime highs around 18°C and nights near 8°C. Worth packing: a warm layer, rain gear and sun protection. About 11 days see rain.
Sea temperature near Orillia in May
The nearest coast averages about 5°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 56 km away) is warmest in August at about 21°C and coldest in March near 1°C.
It's comfortable for a long swim from Aug 9 to Aug 24 — about 0.5 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 3 | 2 | 1 | 2 | 5 | 11 | 19 | 21 | 19 | 13 | 9 | 6 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Refreshing | Cool | Bracing | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 3 | Bracing |
| Feb | 2 | Bracing |
| Mar | 1 | Bracing |
| Apr | 2 | Bracing |
| May | 5 | Bracing |
| Jun | 11 | Bracing |
| Jul | 19 | Cool |
| Aug | 21 | Refreshing |
| Sep | 19 | Cool |
| Oct | 13 | Bracing |
| Nov | 9 | Bracing |
| Dec | 6 | Bracing |
UV index in Orillia in May
Clear-sky midday UV in May peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Orillia peaks around June 20 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 3 | 5 | 7 | 8 | 8 | 6 | 5 | 3 | 2 | 1 |
| Level | Low | Low | Moderate | High | High | Very high | Very high | High | High | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Low |
| Mar | 3 | Moderate |
| Apr | 5 | High |
| May | 7 | High |
| Jun | 8 | Very high |
| Jul | 8 | Very high |
| Aug | 6 | High |
| Sep | 5 | High |
| Oct | 3 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Air quality in Orillia in May
Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.
Air quality in Orillia is worst in May — around 19 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (November, 9 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 11 | 14 | 16 | 17 | 19 | 18 | 18 | 16 | 14 | 10 | 9 | 9 |
| Level | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 11 | Good |
| Feb | 14 | Moderate |
| Mar | 16 | Moderate |
| Apr | 17 | Moderate |
| May | 19 | Moderate |
| Jun | 18 | Moderate |
| Jul | 18 | Moderate |
| Aug | 16 | Moderate |
| Sep | 14 | Moderate |
| Oct | 10 | Good |
| Nov | 9 | Good |
| Dec | 9 | Good |
Where is Orillia?
Orillia sits at 44.6°N, 79.4°W, 232 m above sea level, in Canada. The nearest listed city is Barrie, 30 km away.
Topography around Orillia
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Orillia.
Within 3 km, the terrain around Orillia has only modest variations in elevation — a maximum elevation change of 87 m around an average of 239 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 203 m; within 80 km, significant variations in elevation — a maximum elevation change of 404 m.
The land around Orillia is covered by trees (32%), artificial surfaces (28%) and water (25%) within 3 km, trees (41%) and water (27%) within 16 km, and trees (54%) within 80 km.
Canada travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 83% of US
- price level, 2025
- GDP per capita
- $55,698
- 2025
- Happiness
- 6.7 / 10
- World Happiness, 2025
- Safe drinking water
- 97%
- of population, 2024
- Homicide rate
- 2
- per 100k, 2023
- Road deaths
- 5.3
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Orillia (44.6087°, -79.4207°, elevation 232 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).