Niagara-on-the-Lake weather in July
In July, Niagara-on-the-Lake sees average daytime highs of 24°C and overnight lows near 20°C, with 92 mm of rain across 10.5 wet days and about 14.9 hours of daylight. It is the 1st-warmest and 3rd-wettest month of the year here.
Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 40% of the time in July, and the air most often feels humid.
Daylight stretches from about 15 h 12 min at the start of July to 14 h 24 min by month's end. Set against the rest of the year, July is Niagara-on-the-Lake's 2nd-clearest and 12th-windiest month. For the whole year in context, see Niagara-on-the-Lake's year-round climate.
- Daytime high
- 24°
- 1st warmest
- Overnight low
- 20°
- 12th coldest
- Rainfall
- 92 mm
- 10.5 wet days
- Daylight
- 14 h 54 min
- 4:55 AM – 7:49 PM
- Cloud cover
- 51%
- 2nd clearest
- Wind
- 13 km/h
- 12th windiest
- Solar energy
- 6.19 kWh/m²
- Travel score
- 7.0
- out of 10
Niagara-on-the-Lake is town in Niagara Region, Ontario, Canada.
- Density
- 132/km²
- people per km²
- Founded
- 1781
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in July
Day-to-day highs hold fairly steady near 24°C through the month.
A typical July day in Niagara-on-the-Lake reaches about 24°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 21°C and 27°C. Set against its neighbours, July runs about 4°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) | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Avg low (°C) | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 23 | 18 |
| 2 | 23 | 19 |
| 3 | 23 | 19 |
| 4 | 24 | 19 |
| 5 | 24 | 19 |
| 6 | 24 | 19 |
| 7 | 24 | 19 |
| 8 | 24 | 19 |
| 9 | 24 | 19 |
| 10 | 24 | 19 |
| 11 | 24 | 20 |
| 12 | 24 | 20 |
| 13 | 24 | 20 |
| 14 | 24 | 20 |
| 15 | 24 | 20 |
| 16 | 25 | 20 |
| 17 | 25 | 20 |
| 18 | 25 | 20 |
| 19 | 25 | 20 |
| 20 | 25 | 20 |
| 21 | 25 | 20 |
| 22 | 25 | 20 |
| 23 | 25 | 20 |
| 24 | 25 | 20 |
| 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 Niagara-on-the-Lake
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.
Niagara-on-the-Lake weather by month
How July compares with the rest of the year at a glance. July is the 1st-warmest and 3rd-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 0° / -5° | 77 | 13.2 | 11.3 | 9.2 | 0.0 |
| Feb | -0° / -6° | 60 | 9.8 | 7.8 | 10.2 | 0.0 |
| Mar | 3° / -2° | 73 | 10.5 | 4.9 | 11.6 | 0.0 |
| Apr | 9° / 4° | 96 | 11.6 | 1.7 | 13.2 | 1.6 |
| May | 14° / 9° | 82 | 11.5 | 0 | 14.5 | 4.2 |
| Jun | 21° / 16° | 92 | 10.9 | 0 | 15.1 | 6.3 |
| Jul | 24° / 20° | 92 | 10.5 | 0 | 14.9 | 7.0 |
| Aug | 24° / 19° | 79 | 10.2 | 0 | 13.8 | 7.1 |
| Sep | 21° / 16° | 89 | 10 | 0 | 12.3 | 6.5 |
| Oct | 14° / 10° | 94 | 12.7 | 0.1 | 10.8 | 4.0 |
| Nov | 8° / 4° | 84 | 12.2 | 2.6 | 9.5 | 1.3 |
| Dec | 3° / -1° | 81 | 13.2 | 8.4 | 8.9 | 0.0 |
Cloud cover in July
The sky is clear or mostly clear about 40% 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 40%.
| 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 (%) | 60 | 60 | 61 | 61 | 62 | 62 | 61 | 61 | 61 | 61 | 61 | 60 | 60 | 59 | 59 | 59 | 59 | 58 | 59 | 58 | 58 | 59 | 59 | 58 | 58 | 59 | 59 | 59 | 61 | 61 | 61 |
| Cloudier (%) | 40 | 40 | 39 | 39 | 38 | 38 | 39 | 39 | 39 | 39 | 39 | 40 | 40 | 41 | 41 | 41 | 41 | 42 | 41 | 42 | 42 | 41 | 41 | 42 | 42 | 41 | 41 | 41 | 39 | 39 | 39 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 60 | 40 |
| 2 | 60 | 40 |
| 3 | 61 | 39 |
| 4 | 61 | 39 |
| 5 | 62 | 38 |
| 6 | 62 | 38 |
| 7 | 61 | 39 |
| 8 | 61 | 39 |
| 9 | 61 | 39 |
| 10 | 61 | 39 |
| 11 | 61 | 39 |
| 12 | 60 | 40 |
| 13 | 60 | 40 |
| 14 | 59 | 41 |
| 15 | 59 | 41 |
| 16 | 59 | 41 |
| 17 | 59 | 41 |
| 18 | 58 | 42 |
| 19 | 59 | 41 |
| 20 | 58 | 42 |
| 21 | 58 | 42 |
| 22 | 59 | 41 |
| 23 | 59 | 41 |
| 24 | 58 | 42 |
| 25 | 58 | 42 |
| 26 | 59 | 41 |
| 27 | 59 | 41 |
| 28 | 59 | 41 |
| 29 | 61 | 39 |
| 30 | 61 | 39 |
| 31 | 61 | 39 |
Chance of precipitation in July
Niagara-on-the-Lake gets around 92 mm of rain over 10.5 wet days in July. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain 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 (%) | 35 | 35 | 34 | 33 | 33 | 32 | 32 | 32 | 32 | 32 | 32 | 33 | 33 | 34 | 34 | 34 | 35 | 35 | 36 | 36 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 36 | 36 | 36 | 36 |
| Rain chance (%) | |
|---|---|
| 1 | 35 |
| 2 | 35 |
| 3 | 34 |
| 4 | 33 |
| 5 | 33 |
| 6 | 32 |
| 7 | 32 |
| 8 | 32 |
| 9 | 32 |
| 10 | 32 |
| 11 | 32 |
| 12 | 33 |
| 13 | 33 |
| 14 | 34 |
| 15 | 34 |
| 16 | 34 |
| 17 | 35 |
| 18 | 35 |
| 19 | 36 |
| 20 | 36 |
| 21 | 37 |
| 22 | 37 |
| 23 | 37 |
| 24 | 37 |
| 25 | 37 |
| 26 | 37 |
| 27 | 37 |
| 28 | 36 |
| 29 | 36 |
| 30 | 36 |
| 31 | 36 |
Humidity in July
Most of July feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, July lands in the humid band about 32% of days. Sticky, muggy-or-worse air turns up on roughly 38% 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 (%) | 16 | 15 | 15 | 14 | 14 | 13 | 12 | 12 | 11 | 11 | 10 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 |
| Comfortable (%) | 27 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 24 | 23 | 23 | 22 | 22 | 21 | 20 | 20 | 19 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 |
| Humid (%) | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 30 | 30 | 30 | 31 | 31 | 32 | 32 | 33 | 33 | 33 | 33 | 33 | 33 | 34 | 34 | 34 | 34 | 34 | 35 | 34 | 34 | 34 | 34 | 33 |
| Muggy (%) | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 27 | 27 | 28 | 28 | 29 | 29 | 30 | 31 | 31 | 32 | 32 | 32 | 32 | 33 | 33 | 33 | 33 | 33 | 33 | 32 |
| Oppressive (%) | 5 | 5 | 6 | 6 | 7 | 7 | 8 | 8 | 9 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 16 | 27 | 29 | 24 | 5 |
| 2 | 15 | 26 | 29 | 25 | 5 |
| 3 | 15 | 26 | 29 | 25 | 6 |
| 4 | 14 | 26 | 29 | 25 | 6 |
| 5 | 14 | 26 | 29 | 25 | 7 |
| 6 | 13 | 25 | 29 | 25 | 7 |
| 7 | 12 | 25 | 30 | 25 | 8 |
| 8 | 12 | 25 | 30 | 25 | 8 |
| 9 | 11 | 24 | 30 | 26 | 9 |
| 10 | 11 | 23 | 30 | 26 | 10 |
| 11 | 10 | 23 | 31 | 26 | 10 |
| 12 | 9 | 22 | 31 | 27 | 10 |
| 13 | 9 | 22 | 32 | 27 | 11 |
| 14 | 8 | 21 | 32 | 28 | 11 |
| 15 | 8 | 20 | 33 | 28 | 11 |
| 16 | 8 | 20 | 33 | 29 | 11 |
| 17 | 8 | 19 | 33 | 29 | 11 |
| 18 | 8 | 18 | 33 | 30 | 11 |
| 19 | 8 | 18 | 33 | 31 | 11 |
| 20 | 7 | 17 | 33 | 31 | 11 |
| 21 | 7 | 17 | 34 | 32 | 11 |
| 22 | 7 | 16 | 34 | 32 | 11 |
| 23 | 7 | 16 | 34 | 32 | 11 |
| 24 | 7 | 16 | 34 | 32 | 10 |
| 25 | 7 | 16 | 34 | 33 | 10 |
| 26 | 7 | 16 | 35 | 33 | 10 |
| 27 | 7 | 16 | 34 | 33 | 10 |
| 28 | 7 | 16 | 34 | 33 | 9 |
| 29 | 7 | 16 | 34 | 33 | 9 |
| 30 | 7 | 17 | 34 | 33 | 9 |
| 31 | 8 | 17 | 33 | 32 | 9 |
Wind in July
Winds average 13 km/h in July, the calmest month.
Across July, daily wind ranges from about 13 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 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
| 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 | 13 | light breeze |
| 2 | 13 | light breeze |
| 3 | 13 | light breeze |
| 4 | 13 | light breeze |
| 5 | 13 | light breeze |
| 6 | 13 | light breeze |
| 7 | 13 | light breeze |
| 8 | 13 | light breeze |
| 9 | 13 | light breeze |
| 10 | 13 | light breeze |
| 11 | 13 | light breeze |
| 12 | 13 | light breeze |
| 13 | 13 | light breeze |
| 14 | 13 | light breeze |
| 15 | 13 | light breeze |
| 16 | 13 | light breeze |
| 17 | 13 | light breeze |
| 18 | 13 | light breeze |
| 19 | 13 | light breeze |
| 20 | 13 | light breeze |
| 21 | 13 | light breeze |
| 22 | 13 | light breeze |
| 23 | 13 | light breeze |
| 24 | 13 | light breeze |
| 25 | 13 | light breeze |
| 26 | 13 | light breeze |
| 27 | 13 | light breeze |
| 28 | 13 | light breeze |
| 29 | 13 | light breeze |
| 30 | 13 | light breeze |
| 31 | 13 | light breeze |
Sunrise & sunset in July
Daylight runs from about 15 h 12 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 48 minutes over July. Sunrise moves from 4:45 AM to 5:09 AM, and sunset from 7:55 PM to 7:36 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) | 15.2 | 15.2 | 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 | 14.7 | 14.7 | 14.7 | 14.7 | 14.6 | 14.6 | 14.5 | 14.5 | 14.5 | 14.4 |
| Sunrise (AM) | 4:45 | 4:45 | 4:46 | 4:46 | 4:47 | 4:47 | 4:48 | 4:49 | 4:49 | 4:50 | 4:51 | 4:51 | 4:52 | 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 |
| Sunset (PM) | 7:55 | 7:55 | 7:54 | 7:54 | 7:54 | 7:54 | 7:54 | 7:53 | 7:53 | 7:52 | 7:52 | 7:51 | 7:51 | 7:50 | 7:50 | 7:49 | 7:49 | 7:48 | 7:47 | 7:46 | 7:46 | 7:45 | 7:44 | 7:43 | 7:42 | 7:41 | 7:40 | 7:39 | 7:38 | 7:37 | 7:36 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 15.2 | 4:45 | 7:55 |
| 2 | 15.2 | 4:45 | 7:55 |
| 3 | 15.1 | 4:46 | 7:54 |
| 4 | 15.1 | 4:46 | 7:54 |
| 5 | 15.1 | 4:47 | 7:54 |
| 6 | 15.1 | 4:47 | 7:54 |
| 7 | 15.1 | 4:48 | 7:54 |
| 8 | 15.1 | 4:49 | 7:53 |
| 9 | 15.1 | 4:49 | 7:53 |
| 10 | 15.0 | 4:50 | 7:52 |
| 11 | 15.0 | 4:51 | 7:52 |
| 12 | 15.0 | 4:51 | 7:51 |
| 13 | 15.0 | 4:52 | 7:51 |
| 14 | 15.0 | 4:53 | 7:50 |
| 15 | 14.9 | 4:54 | 7:50 |
| 16 | 14.9 | 4:55 | 7:49 |
| 17 | 14.9 | 4:56 | 7:49 |
| 18 | 14.9 | 4:56 | 7:48 |
| 19 | 14.8 | 4:57 | 7:47 |
| 20 | 14.8 | 4:58 | 7:46 |
| 21 | 14.8 | 4:59 | 7:46 |
| 22 | 14.7 | 5:00 | 7:45 |
| 23 | 14.7 | 5:01 | 7:44 |
| 24 | 14.7 | 5:02 | 7:43 |
| 25 | 14.7 | 5:03 | 7:42 |
| 26 | 14.6 | 5:04 | 7:41 |
| 27 | 14.6 | 5:05 | 7:40 |
| 28 | 14.5 | 5:06 | 7:39 |
| 29 | 14.5 | 5:07 | 7:38 |
| 30 | 14.5 | 5:08 | 7:37 |
| 31 | 14.4 | 5:09 | 7:36 |
Solar energy in July
Average shortwave solar energy reaching the ground each day in July, about 6.19 kWh/m².
For context, solar energy here swings from a low near 1.28 kWh/m² to a high of 6.35 kWh/m² in June across the year — July's 6.19 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 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.2 | 6.2 | 6.2 | 6.2 | 6.1 | 6.1 | 6.1 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.8 |
| 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 | 6.3 | Intense |
| 10 | 6.3 | Intense |
| 11 | 6.3 | Intense |
| 12 | 6.3 | Intense |
| 13 | 6.3 | Intense |
| 14 | 6.2 | 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 | 5.9 | Bright |
| 27 | 5.9 | Bright |
| 28 | 5.9 | Bright |
| 29 | 5.9 | Bright |
| 30 | 5.9 | Bright |
| 31 | 5.8 | Bright |
Is July a good time to visit Niagara-on-the-Lake?
Our two travel scores rate July for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
July is one of the better times to visit Niagara-on-the-Lake for general sightseeing.
What to pack for Niagara-on-the-Lake in July
From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In July, Niagara-on-the-Lake sees daytime highs around 24°C and nights near 20°C. Pack sun protection. Worth having: light clothes and rain gear. About 11 days see rain.
Sea temperature near Niagara-on-the-Lake in July
The nearest coast averages about 20°C in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 14 km away) is warmest in August at about 22°C and coldest in February near 3°C.
It's comfortable for a long swim from Jul 17 to Sep 6 — about 1.7 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 | 7 | 15 | 20 | 22 | 19 | 13 | 8 | 5 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Refreshing | Refreshing | Cool | Bracing | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 4 | Bracing |
| Feb | 3 | Bracing |
| Mar | 3 | Bracing |
| Apr | 4 | Bracing |
| May | 7 | Bracing |
| Jun | 15 | Bracing |
| Jul | 20 | Refreshing |
| Aug | 22 | Refreshing |
| Sep | 19 | Cool |
| Oct | 13 | Bracing |
| Nov | 8 | Bracing |
| Dec | 5 | Bracing |
UV index in Niagara-on-the-Lake in July
Clear-sky midday UV in July 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 Niagara-on-the-Lake peaks around June 19 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. 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 | 6 | 8 | 7 | 6 | 5 | 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 | 6 | High |
| Jun | 8 | Very high |
| Jul | 7 | Very high |
| Aug | 6 | High |
| Sep | 5 | High |
| Oct | 3 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Air quality in Niagara-on-the-Lake 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 Niagara-on-the-Lake is worst in May — around 21 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (November, 10 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 | 17 | 18 | 21 | 20 | 20 | 17 | 16 | 11 | 10 | 10 |
| 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 | 17 | Moderate |
| Apr | 18 | Moderate |
| May | 21 | Moderate |
| Jun | 20 | Moderate |
| Jul | 20 | Moderate |
| Aug | 17 | Moderate |
| Sep | 16 | Moderate |
| Oct | 11 | Good |
| Nov | 10 | Good |
| Dec | 10 | Good |
Where is Niagara-on-the-Lake?
Niagara-on-the-Lake sits at 43.3°N, 79.1°W, 85 m above sea level, in Canada. The nearest listed city is St. Catharines, 16 km away.
Topography around Niagara-on-the-Lake
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Niagara-on-the-Lake.
Within 3 km, the terrain around Niagara-on-the-Lake has only modest variations in elevation — a maximum elevation change of 40 m around an average of 82 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 146 m; within 80 km, significant variations in elevation — a maximum elevation change of 540 m.
The land around Niagara-on-the-Lake is covered by water (47%) within 3 km, water (52%) within 16 km, and water (42%) and trees (24%) 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 Niagara-on-the-Lake (43.2565°, -79.0853°, elevation 85 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).