Port Colborne weather in July
In July, Port Colborne sees average daytime highs of 25°C and overnight lows near 20°C, with 105 mm of rain across 12 wet days and about 14.8 hours of daylight. It is the 1st-warmest and 1st-wettest month of the year here.
Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 38% of the time in July, and the air most often feels muggy.
Daylight stretches from about 15 h 06 min at the start of July to 14 h 24 min by month's end. Set against the rest of the year, July is Port Colborne's 2nd-clearest and 11th-windiest month. For the whole year in context, see Port Colborne's year-round climate.
- Daytime high
- 25°
- 1st warmest
- Overnight low
- 20°
- 12th coldest
- Rainfall
- 105 mm
- 12 wet days
- Daylight
- 14 h 54 min
- 4:56 AM – 7:49 PM
- Cloud cover
- 52%
- 2nd clearest
- Wind
- 15 km/h
- 11th windiest
- Solar energy
- 6.2 kWh/m²
- Travel score
- 6.7
- out of 10
Port Colborne is city in Niagara Region, Ontario, Canada.
- Founded
- 1830
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in July
Day-to-day highs hold fairly steady near 25°C through the month.
A typical July day in Port Colborne reaches about 25°C in the afternoon and slips back to 20°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 28°C. Set against its neighbours, July runs about 3°C warmer than June and on par with August.
| 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) | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Avg low (°C) | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 24 | 19 |
| 2 | 24 | 19 |
| 3 | 24 | 20 |
| 4 | 25 | 20 |
| 5 | 25 | 20 |
| 6 | 25 | 20 |
| 7 | 25 | 20 |
| 8 | 25 | 20 |
| 9 | 25 | 20 |
| 10 | 25 | 20 |
| 11 | 25 | 20 |
| 12 | 25 | 20 |
| 13 | 25 | 20 |
| 14 | 25 | 20 |
| 15 | 25 | 20 |
| 16 | 25 | 20 |
| 17 | 25 | 20 |
| 18 | 25 | 20 |
| 19 | 25 | 20 |
| 20 | 25 | 20 |
| 21 | 25 | 21 |
| 22 | 25 | 21 |
| 23 | 25 | 21 |
| 24 | 25 | 21 |
| 25 | 25 | 20 |
| 26 | 25 | 20 |
| 27 | 25 | 20 |
| 28 | 25 | 20 |
| 29 | 25 | 20 |
| 30 | 25 | 20 |
| 31 | 25 | 20 |
How July really feels in Port Colborne
Once humidity and wind are folded in, July 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.
July sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Port Colborne weather by month
How July compares with the rest of the year at a glance. July is the 1st-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 | -1° / -6° | 77 | 12.4 | 8.7 | 9.2 | 0.0 |
| Feb | -1° / -6° | 60 | 9.4 | 7 | 10.2 | 0.0 |
| Mar | 3° / -3° | 77 | 10.9 | 4.8 | 11.6 | 0.0 |
| Apr | 9° / 4° | 100 | 11.9 | 1.8 | 13.1 | 1.7 |
| May | 16° / 11° | 90 | 12.2 | 0 | 14.4 | 4.8 |
| Jun | 22° / 17° | 103 | 12.1 | 0 | 15.1 | 6.4 |
| Jul | 25° / 20° | 105 | 12 | 0 | 14.8 | 6.7 |
| Aug | 24° / 20° | 90 | 10.9 | 0 | 13.8 | 6.9 |
| Sep | 21° / 16° | 90 | 10.3 | 0 | 12.3 | 6.4 |
| Oct | 14° / 10° | 98 | 12.4 | 0.1 | 10.8 | 3.9 |
| Nov | 8° / 4° | 85 | 11.6 | 2.5 | 9.5 | 1.2 |
| Dec | 3° / -1° | 83 | 12 | 6.8 | 8.9 | 0.0 |
Cloud cover in July
The sky is clear or mostly clear about 38% of the time in July.
Beyond those clear spells, partly cloudy skies cover about 20% of July, with mostly cloudy or overcast conditions the remaining 42%.
| 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 (%) | 58 | 58 | 58 | 59 | 59 | 59 | 60 | 60 | 60 | 60 | 59 | 59 | 59 | 58 | 58 | 57 | 57 | 57 | 56 | 57 | 57 | 57 | 57 | 57 | 57 | 58 | 58 | 59 | 59 | 60 | 60 |
| Cloudier (%) | 42 | 42 | 42 | 41 | 41 | 41 | 40 | 40 | 40 | 40 | 41 | 41 | 41 | 42 | 42 | 43 | 43 | 43 | 44 | 43 | 43 | 43 | 43 | 43 | 43 | 42 | 42 | 41 | 41 | 40 | 40 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 58 | 42 |
| 2 | 58 | 42 |
| 3 | 58 | 42 |
| 4 | 59 | 41 |
| 5 | 59 | 41 |
| 6 | 59 | 41 |
| 7 | 60 | 40 |
| 8 | 60 | 40 |
| 9 | 60 | 40 |
| 10 | 60 | 40 |
| 11 | 59 | 41 |
| 12 | 59 | 41 |
| 13 | 59 | 41 |
| 14 | 58 | 42 |
| 15 | 58 | 42 |
| 16 | 57 | 43 |
| 17 | 57 | 43 |
| 18 | 57 | 43 |
| 19 | 56 | 44 |
| 20 | 57 | 43 |
| 21 | 57 | 43 |
| 22 | 57 | 43 |
| 23 | 57 | 43 |
| 24 | 57 | 43 |
| 25 | 57 | 43 |
| 26 | 58 | 42 |
| 27 | 58 | 42 |
| 28 | 59 | 41 |
| 29 | 59 | 41 |
| 30 | 60 | 40 |
| 31 | 60 | 40 |
Chance of precipitation in July
Port Colborne gets around 105 mm of rain over 12 wet days in July, the wettest month. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 39% and peaks near 44% 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 (%) | 38 | 38 | 37 | 36 | 35 | 35 | 35 | 35 | 35 | 35 | 36 | 37 | 37 | 38 | 39 | 39 | 40 | 41 | 42 | 42 | 43 | 43 | 43 | 44 | 43 | 43 | 43 | 43 | 42 | 42 | 41 |
| Rain chance (%) | |
|---|---|
| 1 | 38 |
| 2 | 38 |
| 3 | 37 |
| 4 | 36 |
| 5 | 35 |
| 6 | 35 |
| 7 | 35 |
| 8 | 35 |
| 9 | 35 |
| 10 | 35 |
| 11 | 36 |
| 12 | 37 |
| 13 | 37 |
| 14 | 38 |
| 15 | 39 |
| 16 | 39 |
| 17 | 40 |
| 18 | 41 |
| 19 | 42 |
| 20 | 42 |
| 21 | 43 |
| 22 | 43 |
| 23 | 43 |
| 24 | 44 |
| 25 | 43 |
| 26 | 43 |
| 27 | 43 |
| 28 | 43 |
| 29 | 42 |
| 30 | 42 |
| 31 | 41 |
Humidity in July
Most of July feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, July lands in the muggy band about 29% of days. Sticky, muggy-or-worse air turns up on roughly 40% 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 17 | 17 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 13 | 13 | 12 | 12 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 9 |
| Comfortable (%) | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 22 | 22 | 21 | 21 | 20 | 19 | 19 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 18 | 18 | 19 |
| Humid (%) | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 26 | 26 | 27 | 27 | 28 | 28 | 29 | 29 | 30 | 30 | 30 | 31 | 31 | 31 | 32 | 32 | 33 | 33 | 33 | 33 | 33 | 33 | 32 |
| Muggy (%) | 27 | 27 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 28 | 28 | 28 | 29 | 29 | 30 | 30 | 31 | 31 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 31 | 31 | 31 | 31 | 30 | 29 |
| Oppressive (%) | 8 | 9 | 9 | 9 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Miserable (%) | 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 | 1 | 1 | 1 | 1 | 1 | 1 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 17 | 24 | 24 | 27 | 8 | 0 |
| 2 | 17 | 24 | 24 | 27 | 9 | 0 |
| 3 | 16 | 24 | 24 | 26 | 9 | 0 |
| 4 | 16 | 24 | 24 | 26 | 9 | 0 |
| 5 | 16 | 24 | 25 | 26 | 10 | 0 |
| 6 | 15 | 24 | 25 | 26 | 10 | 0 |
| 7 | 15 | 23 | 25 | 27 | 10 | 0 |
| 8 | 14 | 23 | 25 | 27 | 11 | 0 |
| 9 | 14 | 22 | 26 | 27 | 11 | 0 |
| 10 | 13 | 22 | 26 | 28 | 11 | 0 |
| 11 | 13 | 21 | 27 | 28 | 11 | 0 |
| 12 | 12 | 21 | 27 | 28 | 12 | 0 |
| 13 | 12 | 20 | 28 | 29 | 12 | 0 |
| 14 | 11 | 19 | 28 | 29 | 12 | 0 |
| 15 | 11 | 19 | 29 | 30 | 12 | 0 |
| 16 | 11 | 18 | 29 | 30 | 11 | 0 |
| 17 | 10 | 18 | 30 | 31 | 11 | 0 |
| 18 | 10 | 17 | 30 | 31 | 11 | 0 |
| 19 | 10 | 17 | 30 | 32 | 11 | 0 |
| 20 | 10 | 16 | 31 | 32 | 11 | 0 |
| 21 | 9 | 16 | 31 | 32 | 11 | 0 |
| 22 | 9 | 16 | 31 | 32 | 11 | 0 |
| 23 | 9 | 16 | 32 | 32 | 11 | 0 |
| 24 | 9 | 16 | 32 | 32 | 11 | 0 |
| 25 | 8 | 16 | 33 | 32 | 10 | 0 |
| 26 | 8 | 17 | 33 | 31 | 10 | 1 |
| 27 | 8 | 17 | 33 | 31 | 10 | 1 |
| 28 | 8 | 17 | 33 | 31 | 10 | 1 |
| 29 | 8 | 18 | 33 | 31 | 10 | 1 |
| 30 | 8 | 18 | 33 | 30 | 10 | 1 |
| 31 | 9 | 19 | 32 | 29 | 10 | 1 |
Wind in July
Winds average 15 km/h in July.
Across July, daily wind ranges from about 14 km/h on the calmest days to 15 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) | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
| 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 | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 15 | light breeze |
| 2 | 15 | light breeze |
| 3 | 15 | light breeze |
| 4 | 15 | light breeze |
| 5 | 15 | light breeze |
| 6 | 15 | light breeze |
| 7 | 15 | light breeze |
| 8 | 15 | light breeze |
| 9 | 15 | light breeze |
| 10 | 15 | light breeze |
| 11 | 15 | light breeze |
| 12 | 15 | light breeze |
| 13 | 15 | light breeze |
| 14 | 15 | light breeze |
| 15 | 15 | light breeze |
| 16 | 15 | light breeze |
| 17 | 14 | light breeze |
| 18 | 14 | light breeze |
| 19 | 14 | light breeze |
| 20 | 15 | light breeze |
| 21 | 14 | light breeze |
| 22 | 14 | light breeze |
| 23 | 14 | light breeze |
| 24 | 14 | light breeze |
| 25 | 14 | light breeze |
| 26 | 14 | light breeze |
| 27 | 14 | light breeze |
| 28 | 14 | light breeze |
| 29 | 14 | light breeze |
| 30 | 14 | light breeze |
| 31 | 14 | light breeze |
Sunrise & sunset in July
Daylight runs from about 15 h 06 min at the start of July to 14 h 24 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 42 minutes over July. Sunrise moves from 4:46 AM to 5:11 AM, and sunset from 7:54 PM to 7:35 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) | 15.1 | 15.1 | 15.1 | 15.1 | 15.1 | 15.1 | 15.1 | 15.0 | 15.0 | 15.0 | 15.0 | 15.0 | 14.9 | 14.9 | 14.9 | 14.9 | 14.8 | 14.8 | 14.8 | 14.8 | 14.7 | 14.7 | 14.7 | 14.6 | 14.6 | 14.6 | 14.6 | 14.5 | 14.5 | 14.4 | 14.4 |
| Sunrise (AM) | 4:46 | 4:47 | 4:47 | 4:48 | 4:49 | 4:49 | 4:50 | 4:50 | 4:51 | 4:52 | 4:53 | 4:53 | 4:54 | 4:55 | 4:56 | 4:56 | 4:57 | 4:58 | 4:59 | 5:00 | 5:01 | 5:02 | 5:03 | 5:04 | 5:05 | 5:06 | 5:07 | 5:08 | 5:09 | 5:10 | 5:11 |
| Sunset (PM) | 7:54 | 7:54 | 7:54 | 7:54 | 7:53 | 7:53 | 7:53 | 7:53 | 7:52 | 7:52 | 7:51 | 7:51 | 7:50 | 7:50 | 7:49 | 7:49 | 7:48 | 7:47 | 7:47 | 7:46 | 7:45 | 7:44 | 7:43 | 7:42 | 7:42 | 7:41 | 7:40 | 7:39 | 7:38 | 7:37 | 7:35 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 15.1 | 4:46 | 7:54 |
| 2 | 15.1 | 4:47 | 7:54 |
| 3 | 15.1 | 4:47 | 7:54 |
| 4 | 15.1 | 4:48 | 7:54 |
| 5 | 15.1 | 4:49 | 7:53 |
| 6 | 15.1 | 4:49 | 7:53 |
| 7 | 15.1 | 4:50 | 7:53 |
| 8 | 15.0 | 4:50 | 7:53 |
| 9 | 15.0 | 4:51 | 7:52 |
| 10 | 15.0 | 4:52 | 7:52 |
| 11 | 15.0 | 4:53 | 7:51 |
| 12 | 15.0 | 4:53 | 7:51 |
| 13 | 14.9 | 4:54 | 7:50 |
| 14 | 14.9 | 4:55 | 7:50 |
| 15 | 14.9 | 4:56 | 7:49 |
| 16 | 14.9 | 4:56 | 7:49 |
| 17 | 14.8 | 4:57 | 7:48 |
| 18 | 14.8 | 4:58 | 7:47 |
| 19 | 14.8 | 4:59 | 7:47 |
| 20 | 14.8 | 5:00 | 7:46 |
| 21 | 14.7 | 5:01 | 7:45 |
| 22 | 14.7 | 5:02 | 7:44 |
| 23 | 14.7 | 5:03 | 7:43 |
| 24 | 14.6 | 5:04 | 7:42 |
| 25 | 14.6 | 5:05 | 7:42 |
| 26 | 14.6 | 5:06 | 7:41 |
| 27 | 14.6 | 5:07 | 7:40 |
| 28 | 14.5 | 5:08 | 7:39 |
| 29 | 14.5 | 5:09 | 7:38 |
| 30 | 14.4 | 5:10 | 7:37 |
| 31 | 14.4 | 5:11 | 7:35 |
Solar energy in July
Average shortwave solar energy reaching the ground each day in July, about 6.2 kWh/m².
For context, solar energy here swings from a low near 1.27 kWh/m² to a high of 6.37 kWh/m² in June across the year — July's 6.2 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) | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.2 | 6.2 | 6.2 | 6.1 | 6.1 | 6.1 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.4 | Intense |
| 2 | 6.4 | Intense |
| 3 | 6.4 | Intense |
| 4 | 6.4 | Intense |
| 5 | 6.4 | Intense |
| 6 | 6.4 | Intense |
| 7 | 6.4 | Intense |
| 8 | 6.4 | Intense |
| 9 | 6.4 | Intense |
| 10 | 6.3 | Intense |
| 11 | 6.3 | Intense |
| 12 | 6.3 | Intense |
| 13 | 6.3 | Intense |
| 14 | 6.3 | Intense |
| 15 | 6.2 | Intense |
| 16 | 6.2 | Intense |
| 17 | 6.2 | Intense |
| 18 | 6.1 | Intense |
| 19 | 6.1 | Intense |
| 20 | 6.1 | Intense |
| 21 | 6.0 | Intense |
| 22 | 6.0 | Intense |
| 23 | 6.0 | Intense |
| 24 | 6.0 | Bright |
| 25 | 6.0 | Bright |
| 26 | 6.0 | Bright |
| 27 | 5.9 | Bright |
| 28 | 5.9 | Bright |
| 29 | 5.9 | Bright |
| 30 | 5.9 | Bright |
| 31 | 5.9 | Bright |
Is July a good time to visit Port Colborne?
Our two travel scores rate July for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
July is a reasonable time to visit Port Colborne for sightseeing.
What to pack for Port Colborne in July
From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In July, Port Colborne sees daytime highs around 25°C and nights near 20°C. Pack sun protection. Worth having: light clothes and rain gear. About 12 days see rain.
Sea temperature near Port Colborne in July
The nearest coast averages about 22°C in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in August at about 23°C and coldest in February near 1°C.
It's comfortable for a long swim from Jul 4 to Sep 20 — about 2.6 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 3 | 1 | 1 | 3 | 9 | 17 | 22 | 23 | 21 | 16 | 10 | 6 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Refreshing | Refreshing | Refreshing | Cool | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 3 | Bracing |
| Feb | 1 | Bracing |
| Mar | 1 | Bracing |
| Apr | 3 | Bracing |
| May | 9 | Bracing |
| Jun | 17 | Cool |
| Jul | 22 | Refreshing |
| Aug | 23 | Refreshing |
| Sep | 21 | Refreshing |
| Oct | 16 | Cool |
| Nov | 10 | Bracing |
| Dec | 6 | Bracing |
UV index in Port Colborne in July
Clear-sky midday UV in July peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Port Colborne peaks around June 21 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 | 7 | 8 | 8 | 6 | 6 | 3 | 2 | 1 |
| Level | Low | Moderate | Moderate | High | High | Very high | Very high | High | High | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Moderate |
| Mar | 4 | Moderate |
| Apr | 5 | High |
| May | 7 | High |
| Jun | 8 | Very high |
| Jul | 8 | Very high |
| Aug | 6 | High |
| Sep | 6 | High |
| Oct | 3 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Air quality in Port Colborne in July
Average fine-particle pollution (PM2.5) through the year — so you can see where July falls, not just the annual average.
Air quality in Port Colborne is worst in July — around 15 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (November, 7 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) | 8 | 10 | 12 | 12 | 14 | 15 | 15 | 13 | 11 | 7 | 7 | 7 |
| Level | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 10 | Good |
| Mar | 12 | Good |
| Apr | 12 | Moderate |
| May | 14 | Moderate |
| Jun | 15 | Moderate |
| Jul | 15 | Moderate |
| Aug | 13 | Moderate |
| Sep | 11 | Good |
| Oct | 7 | Good |
| Nov | 7 | Good |
| Dec | 7 | Good |
Where is Port Colborne?
Port Colborne sits at 42.9°N, 79.2°W, 188 m above sea level, in Canada. The nearest listed city is Welland, 9.0 km away.
Topography around Port Colborne
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Port Colborne.
Within 3 km, the terrain around Port Colborne has only modest variations in elevation — a maximum elevation change of 39 m around an average of 180 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 100 m; within 80 km, large variations in elevation — a maximum elevation change of 646 m.
The land around Port Colborne is covered by grassland (28%) and trees (25%) within 3 km, water (37%), trees (24%) and cropland (20%) within 16 km, and water (38%) and trees (32%) 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 Port Colborne (42.9001°, -79.2329°, elevation 188 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).