Guelph weather in June
In June, Guelph sees average daytime highs of 23°C and overnight lows near 13°C, with 93 mm of rain across 11.6 wet days and about 15.2 hours of daylight. It is the 3rd-warmest and 1st-wettest month of the year here.
Highs climb over the month, from about 22°C in the first days to 25°C by the end. The sky is clear or mostly clear about 27% of the time in June, and the air most often feels dry.
Daylight stretches from about 15 hours at the start of June to 15 h 12 min by month's end. Set against the rest of the year, June is Guelph's 4th-clearest and 9th-windiest month. For the whole year in context, see Guelph's year-round climate.
- Daytime high
- 23°
- 3rd warmest
- Overnight low
- 13°
- 10th coldest
- Rainfall
- 93 mm
- 11.6 wet days
- Daylight
- 15 h 12 min
- 4:45 AM – 7:58 PM
- Cloud cover
- 60%
- 4th clearest
- Wind
- 11 km/h
- 9th windiest
- Solar energy
- 6.22 kWh/m²
- Travel score
- 6.5
- out of 10
Guelph is city in Ontario, Canada.
- Air quality
- Good
- PM2.5 7 µg/m³ · 2019
- Density
- 498/km²
- people per km²
- Founded
- 1827
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in June
Highs climb over the month, from about 22°C in the first days to 25°C by the end.
A typical June day in Guelph reaches about 23°C in the afternoon and slips back to 13°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 29°C. Set against its neighbours, June runs about 5°C warmer than May and about 2°C cooler than July.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Avg low (°C) | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 21 | 11 |
| 2 | 21 | 11 |
| 3 | 22 | 11 |
| 4 | 22 | 11 |
| 5 | 22 | 11 |
| 6 | 22 | 12 |
| 7 | 22 | 12 |
| 8 | 22 | 12 |
| 9 | 23 | 12 |
| 10 | 23 | 12 |
| 11 | 23 | 12 |
| 12 | 23 | 13 |
| 13 | 23 | 13 |
| 14 | 23 | 13 |
| 15 | 24 | 13 |
| 16 | 24 | 13 |
| 17 | 24 | 13 |
| 18 | 24 | 13 |
| 19 | 24 | 14 |
| 20 | 24 | 14 |
| 21 | 24 | 14 |
| 22 | 24 | 14 |
| 23 | 24 | 14 |
| 24 | 25 | 14 |
| 25 | 25 | 14 |
| 26 | 25 | 14 |
| 27 | 25 | 14 |
| 28 | 25 | 15 |
| 29 | 25 | 15 |
| 30 | 25 | 15 |
How June really feels in Guelph
Once humidity and wind are folded in, June 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.
June sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Guelph weather by month
How June compares with the rest of the year at a glance. June is the 3rd-warmest and 1st-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | -2° / -10° | 66 | 10.8 | 9.4 | 9.1 | 0.0 |
| Feb | -1° / -10° | 53 | 8.3 | 7.3 | 10.2 | 0.0 |
| Mar | 4° / -5° | 62 | 9.7 | 5.6 | 11.6 | 0.3 |
| Apr | 12° / 2° | 87 | 11.7 | 2.5 | 13.2 | 2.9 |
| May | 18° / 8° | 88 | 11.6 | 0 | 14.5 | 5.5 |
| Jun | 23° / 13° | 93 | 11.6 | 0 | 15.2 | 6.5 |
| Jul | 26° / 15° | 85 | 10.9 | 0 | 14.9 | 6.7 |
| Aug | 25° / 15° | 76 | 9.9 | 0 | 13.8 | 6.9 |
| Sep | 21° / 10° | 77 | 9.6 | 0 | 12.3 | 6.5 |
| Oct | 13° / 5° | 78 | 11 | 0.4 | 10.8 | 3.7 |
| Nov | 6° / -1° | 73 | 10.6 | 3.6 | 9.5 | 0.7 |
| Dec | 1° / -6° | 63 | 10.6 | 7.9 | 8.8 | 0.0 |
Cloud cover in June
The sky is clear or mostly clear about 27% of the time in June.
Beyond those clear spells, partly cloudy skies cover about 20% of June, with mostly cloudy or overcast conditions the remaining 53%.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 45 | 45 | 45 | 45 | 45 | 45 | 45 | 45 | 46 | 46 | 45 | 45 | 45 | 45 | 45 | 45 | 46 | 46 | 46 | 47 | 48 | 48 | 48 | 49 | 50 | 50 | 51 | 52 | 53 | 54 |
| Cloudier (%) | 55 | 55 | 55 | 55 | 55 | 55 | 55 | 55 | 54 | 54 | 55 | 55 | 55 | 55 | 55 | 55 | 54 | 54 | 54 | 53 | 52 | 52 | 52 | 51 | 50 | 50 | 49 | 48 | 47 | 46 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 45 | 55 |
| 2 | 45 | 55 |
| 3 | 45 | 55 |
| 4 | 45 | 55 |
| 5 | 45 | 55 |
| 6 | 45 | 55 |
| 7 | 45 | 55 |
| 8 | 45 | 55 |
| 9 | 46 | 54 |
| 10 | 46 | 54 |
| 11 | 45 | 55 |
| 12 | 45 | 55 |
| 13 | 45 | 55 |
| 14 | 45 | 55 |
| 15 | 45 | 55 |
| 16 | 45 | 55 |
| 17 | 46 | 54 |
| 18 | 46 | 54 |
| 19 | 46 | 54 |
| 20 | 47 | 53 |
| 21 | 48 | 52 |
| 22 | 48 | 52 |
| 23 | 48 | 52 |
| 24 | 49 | 51 |
| 25 | 50 | 50 |
| 26 | 50 | 50 |
| 27 | 51 | 49 |
| 28 | 52 | 48 |
| 29 | 53 | 47 |
| 30 | 54 | 46 |
Chance of precipitation in June
Guelph gets around 93 mm of rain over 11.6 wet days in June, the wettest month. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 38% and peaks near 40% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 36 | 36 | 36 | 36 | 36 | 37 | 37 | 37 | 37 | 37 | 38 | 38 | 38 | 39 | 39 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 39 | 39 | 38 | 37 | 37 | 36 | 36 |
| Rain chance (%) | |
|---|---|
| 1 | 36 |
| 2 | 36 |
| 3 | 36 |
| 4 | 36 |
| 5 | 36 |
| 6 | 37 |
| 7 | 37 |
| 8 | 37 |
| 9 | 37 |
| 10 | 37 |
| 11 | 38 |
| 12 | 38 |
| 13 | 38 |
| 14 | 39 |
| 15 | 39 |
| 16 | 40 |
| 17 | 40 |
| 18 | 40 |
| 19 | 40 |
| 20 | 40 |
| 21 | 40 |
| 22 | 40 |
| 23 | 40 |
| 24 | 39 |
| 25 | 39 |
| 26 | 38 |
| 27 | 37 |
| 28 | 37 |
| 29 | 36 |
| 30 | 36 |
Humidity in June
Most of June feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, June lands in the dry band about 55% of days. Sticky, muggy-or-worse air turns up on roughly 7% of them.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 72 | 72 | 71 | 69 | 68 | 67 | 65 | 64 | 63 | 62 | 60 | 59 | 57 | 55 | 54 | 53 | 51 | 51 | 49 | 48 | 46 | 45 | 44 | 44 | 43 | 42 | 42 | 41 | 41 | 40 |
| Comfortable (%) | 14 | 14 | 15 | 15 | 16 | 17 | 18 | 19 | 19 | 20 | 21 | 22 | 22 | 23 | 23 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 |
| Humid (%) | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 14 | 14 | 15 | 16 | 17 | 17 | 18 | 19 | 19 | 20 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 21 | 21 |
| Muggy (%) | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 6 | 6 | 7 | 8 | 8 | 9 | 9 | 10 | 11 | 11 | 12 | 13 | 13 | 14 |
| Oppressive (%) | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 72 | 14 | 11 | 3 | 0 |
| 2 | 72 | 14 | 11 | 3 | 0 |
| 3 | 71 | 15 | 11 | 3 | 0 |
| 4 | 69 | 15 | 12 | 4 | 0 |
| 5 | 68 | 16 | 12 | 4 | 0 |
| 6 | 67 | 17 | 12 | 4 | 0 |
| 7 | 65 | 18 | 12 | 4 | 1 |
| 8 | 64 | 19 | 12 | 4 | 1 |
| 9 | 63 | 19 | 13 | 4 | 1 |
| 10 | 62 | 20 | 13 | 4 | 1 |
| 11 | 60 | 21 | 14 | 4 | 1 |
| 12 | 59 | 22 | 14 | 4 | 1 |
| 13 | 57 | 22 | 15 | 5 | 1 |
| 14 | 55 | 23 | 16 | 5 | 1 |
| 15 | 54 | 23 | 17 | 5 | 1 |
| 16 | 53 | 24 | 17 | 5 | 1 |
| 17 | 51 | 24 | 18 | 6 | 1 |
| 18 | 51 | 24 | 19 | 6 | 0 |
| 19 | 49 | 24 | 19 | 7 | 0 |
| 20 | 48 | 25 | 20 | 8 | 0 |
| 21 | 46 | 25 | 21 | 8 | 0 |
| 22 | 45 | 25 | 21 | 9 | 0 |
| 23 | 44 | 25 | 21 | 9 | 0 |
| 24 | 44 | 25 | 22 | 10 | 0 |
| 25 | 43 | 24 | 22 | 11 | 0 |
| 26 | 42 | 24 | 22 | 11 | 0 |
| 27 | 42 | 24 | 22 | 12 | 1 |
| 28 | 41 | 24 | 22 | 13 | 1 |
| 29 | 41 | 24 | 21 | 13 | 1 |
| 30 | 40 | 24 | 21 | 14 | 1 |
Wind in June
Winds average 11 km/h in June.
Across June, daily wind ranges from about 11 km/h on the calmest days to 12 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 12 | calm |
| 2 | 12 | calm |
| 3 | 12 | calm |
| 4 | 12 | calm |
| 5 | 12 | calm |
| 6 | 12 | calm |
| 7 | 12 | calm |
| 8 | 12 | calm |
| 9 | 12 | calm |
| 10 | 12 | calm |
| 11 | 12 | calm |
| 12 | 11 | calm |
| 13 | 11 | calm |
| 14 | 11 | calm |
| 15 | 11 | calm |
| 16 | 11 | calm |
| 17 | 11 | calm |
| 18 | 11 | calm |
| 19 | 11 | calm |
| 20 | 11 | calm |
| 21 | 11 | calm |
| 22 | 11 | calm |
| 23 | 11 | calm |
| 24 | 11 | calm |
| 25 | 11 | calm |
| 26 | 11 | calm |
| 27 | 11 | calm |
| 28 | 11 | calm |
| 29 | 11 | calm |
| 30 | 11 | calm |
Sunrise & sunset in June
Daylight runs from about 15 hours at the start of June to 15 h 12 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 12 minutes over June. Sunrise moves from 4:49 AM to 4:48 AM, and sunset from 7:48 PM to 8:01 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 15.0 | 15.0 | 15.0 | 15.1 | 15.1 | 15.1 | 15.1 | 15.1 | 15.1 | 15.2 | 15.2 | 15.2 | 15.2 | 15.2 | 15.2 | 15.2 | 15.2 | 15.2 | 15.2 | 15.2 | 15.2 | 15.2 | 15.2 | 15.2 | 15.2 | 15.2 | 15.2 | 15.2 | 15.2 | 15.2 |
| Sunrise (AM) | 4:49 | 4:48 | 4:48 | 4:47 | 4:47 | 4:47 | 4:46 | 4:46 | 4:46 | 4:45 | 4:45 | 4:45 | 4:45 | 4:45 | 4:45 | 4:45 | 4:45 | 4:45 | 4:45 | 4:45 | 4:45 | 4:45 | 4:45 | 4:46 | 4:46 | 4:46 | 4:47 | 4:47 | 4:47 | 4:48 |
| Sunset (PM) | 7:48 | 7:49 | 7:50 | 7:51 | 7:51 | 7:52 | 7:53 | 7:53 | 7:54 | 7:55 | 7:55 | 7:56 | 7:56 | 7:57 | 7:57 | 7:58 | 7:58 | 7:59 | 7:59 | 7:59 | 8:00 | 8:00 | 8:00 | 8:00 | 8:00 | 8:00 | 8:01 | 8:01 | 8:01 | 8:01 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 15.0 | 4:49 | 7:48 |
| 2 | 15.0 | 4:48 | 7:49 |
| 3 | 15.0 | 4:48 | 7:50 |
| 4 | 15.1 | 4:47 | 7:51 |
| 5 | 15.1 | 4:47 | 7:51 |
| 6 | 15.1 | 4:47 | 7:52 |
| 7 | 15.1 | 4:46 | 7:53 |
| 8 | 15.1 | 4:46 | 7:53 |
| 9 | 15.1 | 4:46 | 7:54 |
| 10 | 15.2 | 4:45 | 7:55 |
| 11 | 15.2 | 4:45 | 7:55 |
| 12 | 15.2 | 4:45 | 7:56 |
| 13 | 15.2 | 4:45 | 7:56 |
| 14 | 15.2 | 4:45 | 7:57 |
| 15 | 15.2 | 4:45 | 7:57 |
| 16 | 15.2 | 4:45 | 7:58 |
| 17 | 15.2 | 4:45 | 7:58 |
| 18 | 15.2 | 4:45 | 7:59 |
| 19 | 15.2 | 4:45 | 7:59 |
| 20 | 15.2 | 4:45 | 7:59 |
| 21 | 15.2 | 4:45 | 8:00 |
| 22 | 15.2 | 4:45 | 8:00 |
| 23 | 15.2 | 4:45 | 8:00 |
| 24 | 15.2 | 4:46 | 8:00 |
| 25 | 15.2 | 4:46 | 8:00 |
| 26 | 15.2 | 4:46 | 8:00 |
| 27 | 15.2 | 4:47 | 8:01 |
| 28 | 15.2 | 4:47 | 8:01 |
| 29 | 15.2 | 4:47 | 8:01 |
| 30 | 15.2 | 4:48 | 8:01 |
Solar energy in June
Average shortwave solar energy reaching the ground each day in June, about 6.22 kWh/m² — the sunniest month for solar.
For context, solar energy here swings from a low near 1.31 kWh/m² to a high of 6.22 kWh/m² in June across the year — June's 6.22 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.1 | Intense |
| 2 | 6.1 | Intense |
| 3 | 6.1 | Intense |
| 4 | 6.1 | Intense |
| 5 | 6.1 | Intense |
| 6 | 6.2 | Intense |
| 7 | 6.2 | Intense |
| 8 | 6.2 | Intense |
| 9 | 6.2 | Intense |
| 10 | 6.2 | Intense |
| 11 | 6.2 | Intense |
| 12 | 6.3 | Intense |
| 13 | 6.3 | Intense |
| 14 | 6.3 | Intense |
| 15 | 6.3 | Intense |
| 16 | 6.3 | Intense |
| 17 | 6.3 | Intense |
| 18 | 6.3 | Intense |
| 19 | 6.3 | Intense |
| 20 | 6.3 | Intense |
| 21 | 6.3 | Intense |
| 22 | 6.3 | Intense |
| 23 | 6.3 | Intense |
| 24 | 6.3 | Intense |
| 25 | 6.3 | Intense |
| 26 | 6.3 | Intense |
| 27 | 6.3 | Intense |
| 28 | 6.3 | Intense |
| 29 | 6.3 | Intense |
| 30 | 6.3 | Intense |
Is June a good time to visit Guelph?
Our two travel scores rate June for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
June is a reasonable time to visit Guelph for sightseeing.
What to pack for Guelph in June
From June's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In June, Guelph sees daytime highs around 23°C and nights near 13°C. Pack sun protection. Worth having: light clothes and rain gear. About 12 days see rain.
Sea temperature near Guelph in June
The nearest coast averages about 15°C in June — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 54 km away) is warmest in August at about 21°C and coldest in February near 3°C.
It's comfortable for a long swim from Jul 22 to Sep 1 — about 1.4 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 4 | 3 | 3 | 4 | 8 | 15 | 20 | 21 | 19 | 13 | 8 | 5 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Refreshing | Cool | Bracing | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 4 | Bracing |
| Feb | 3 | Bracing |
| Mar | 3 | Bracing |
| Apr | 4 | Bracing |
| May | 8 | Bracing |
| Jun | 15 | Cool |
| Jul | 20 | Cool |
| Aug | 21 | Refreshing |
| Sep | 19 | Cool |
| Oct | 13 | Bracing |
| Nov | 8 | Bracing |
| Dec | 5 | Bracing |
UV index in Guelph in June
Clear-sky midday UV in June peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Guelph peaks around June 22 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 4 | 5 | 6 | 9 | 8 | 7 | 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 | 4 | Moderate |
| Apr | 5 | High |
| May | 6 | High |
| Jun | 9 | Very high |
| Jul | 8 | Very high |
| Aug | 7 | High |
| Sep | 5 | High |
| Oct | 3 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Where is Guelph?
Guelph sits at 43.5°N, 80.3°W, 335 m above sea level, in Canada. The nearest listed city is Hespeler, 13 km away.
Topography around Guelph
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Guelph.
Within 3 km, the terrain around Guelph has only modest variations in elevation — a maximum elevation change of 73 m around an average of 331 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 143 m; within 80 km, significant variations in elevation — a maximum elevation change of 469 m.
The land around Guelph is covered by trees (42%) and artificial surfaces (42%) within 3 km, trees (38%) and cropland (38%) within 16 km, and cropland (49%) and trees (26%) 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 Guelph (43.5459°, -80.256°, elevation 335 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).