Waterdown weather in July

In July, Waterdown sees average daytime highs of 26°C and overnight lows near 16°C, with 84 mm of rain across 10.6 wet days and about 14.9 hours of daylight. It is the 1st-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 29% 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 30 min by month's end. Set against the rest of the year, July is Waterdown's 1st-clearest and 11th-windiest month. For the whole year in context, see Waterdown's year-round climate.

Daytime high
26°
1st warmest
Overnight low
16°
12th coldest
Rainfall
84 mm
10.6 wet days
Daylight
14 h 54 min
4:58 AM – 7:53 PM
Cloud cover
56%
1st clearest
Wind
10 km/h
11th windiest
Solar energy
6.14 kWh/m²
Travel score
6.5
out of 10

Waterdown is neighbourhood of Hamilton, Ontario, Canada.

Founded
1830

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 26°C through the month.

A typical July day in Waterdown reaches about 26°C in the afternoon and slips back to 16°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 31°C. Set against its neighbours, July runs about 2°C warmer than June and about 1°C warmer than August.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12616
22616
32616
42616
52616
62616
72616
82616
92616
102616
112616
122716
132717
142717
152717
162717
172717
182717
192717
202717
212717
222717
232617
242617
252617
262617
272617
282617
292617
302617
312617

How July really feels in Waterdown

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.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

July sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Waterdown weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-1° / -9°6410.88.29.20.0
Feb-0° / -8°528.26.410.20.0
Mar / -4°659.94.611.60.4
Apr12° / 8911.81.913.23.1
May19° / 8511.6014.55.7
Jun24° / 14°9212.1015.26.5
Jul26° / 16°8410.6014.96.5
Aug25° / 16°7510013.86.8
Sep21° / 12°759.4012.36.7
Oct14° / 7810.90.110.84.1
Nov / 719.92.59.51.1
Dec / -5°6310.16.58.80.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in July, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 25% of July, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25347
35446
45446
55644
65644
75644
85644
95644
105644
115644
125545
135545
145545
155545
165446
175446
185347
195347
205248
215248
225248
235248
245248
255248
265347
275446
285446
295545
305545
315545

Chance of precipitation in July

Any precipitation

Waterdown gets around 84 mm of rain over 10.6 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 38% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
135
234
334
433
532
632
732
832
932
1033
1133
1234
1335
1435
1536
1636
1737
1837
1937
2038
2138
2238
2338
2438
2538
2638
2737
2837
2936
3036
3136

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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 27% of days. Sticky, muggy-or-worse air turns up on roughly 24% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1332521193
2332521193
3332521193
4322521193
5322521194
6322521194
7312521194
8312421194
9302422204
10292423204
11282324204
12272325205
13272326205
14262227205
15252228205
16242229205
17242130205
18232131205
19222132205
20222132205
21212133195
22212133195
23202233195
24202233195
25202333195
26202433195
27202433194
28202532194
29212531194
30212631193
31212630203

Wind in July

Winds average 10 km/h in July.

Across July, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 15 h 12 min at the start of July to 14 h 30 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 4:48 AM to 5:12 AM, and sunset from 7:58 PM to 7:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.24:487:58
215.24:487:58
315.24:497:58
415.14:497:58
515.14:507:58
615.14:507:57
715.14:517:57
815.14:527:57
915.14:527:56
1015.04:537:56
1115.04:547:55
1215.04:547:55
1315.04:557:54
1415.04:567:54
1514.94:577:53
1614.94:587:53
1714.94:597:52
1814.94:597:51
1914.85:007:51
2014.85:017:50
2114.85:027:49
2214.85:037:48
2314.75:047:47
2414.75:057:46
2514.75:067:45
2614.65:077:44
2714.65:087:43
2814.65:097:42
2914.55:107:41
3014.55:117:40
3114.55:127:39

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 6.14 kWh/m².

For context, solar energy here swings from a low near 1.34 kWh/m² to a high of 6.31 kWh/m² in June across the year — July's 6.14 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.4Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.3Intense
126.2Intense
136.2Intense
146.2Intense
156.2Intense
166.1Intense
176.1Intense
186.1Intense
196.0Intense
206.0Intense
216.0Intense
226.0Bright
236.0Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
285.8Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in July

Is July a good time to visit Waterdown?

Our two travel scores rate July for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.5
Sightseeing
3rd-best month of the year
6.4
Beach & pool
1st-best month of the year

July is a reasonable time to visit Waterdown for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Waterdown in July

From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In July, Waterdown sees daytime highs around 26°C and nights near 16°C. Pack sun protection. Worth having: light clothes and rain gear. About 11 days see rain.

sun protectionlight clothesrain gear

Sea temperature near Waterdown 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 21 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.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarm
Sea temperature (°C)Comfort
Jan4Bracing
Feb3Bracing
Mar3Bracing
Apr4Bracing
May8Bracing
Jun15Cool
Jul20Cool
Aug21Refreshing
Sep19Cool
Oct13Bracing
Nov8Bracing
Dec5Bracing

UV index in Waterdown in July

LowModerateHighVery highExtreme

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 Waterdown peaks around June 22 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 22UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr5High
May6High
Jun8Very high
Jul8Very high
Aug7High
Sep5High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Waterdown in July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July falls, not just the annual average.

Air quality in Waterdown is worst in July — around 16 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (November, 8 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1515 µg/m³Nov 218 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb11Good
Mar13Moderate
Apr13Moderate
May14Moderate
Jun15Moderate
Jul16Moderate
Aug14Moderate
Sep13Moderate
Oct8Good
Nov8Good
Dec8Good
Location & terrain

Where is Waterdown?

Waterdown sits at 43.3°N, 79.9°W, 236 m above sea level, in Canada. The nearest listed city is Burlington, 7.0 km away.

Topography around Waterdown

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Waterdown.

Within 3 km, the terrain around Waterdown has only modest variations in elevation — a maximum elevation change of 177 m around an average of 208 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 267 m; within 80 km, significant variations in elevation — a maximum elevation change of 457 m.

The land around Waterdown is covered by trees (57%) within 3 km, trees (36%) within 16 km, and cropland (34%), water (24%) and trees (23%) within 80 km.

3 km
177 m
16 km
267 m
80 km
457 m
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Burlington 7.0 km · Hamilton 10 km · Ancaster 15 km · Stoney Creek 16 km · Milton 20 km · Oakville 21 km · Grimsby 30 km · Mississauga 33 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
Christian 53%none 35%Muslim 5%Hindu 2%

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 Waterdown (43.3334°, -79.8829°, elevation 236 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).