Halton Hills weather in July

In July, Halton Hills sees average daytime highs of 26°C and overnight lows near 15°C, with 82 mm of rain across 11 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 30% of the time in July, and the air most often feels dry.

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 Halton Hills's 1st-clearest and 11th-windiest month. For the whole year in context, see Halton Hills's year-round climate.

Daytime high
26°
1st warmest
Overnight low
15°
12th coldest
Rainfall
82 mm
11 wet days
Daylight
14 h 54 min
4:57 AM – 7:54 PM
Cloud cover
56%
1st clearest
Wind
11 km/h
11th windiest
Solar energy
6.14 kWh/m²
Travel score
6.6
out of 10

Halton Hills is town in Halton Region, Ontario, Canada.

Founded
1974

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 Halton Hills reaches about 26°C in the afternoon and slips back to 15°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 30°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)
12515
22515
32515
42515
52515
62515
72615
82615
92615
102615
112615
122615
132615
142615
152615
162615
172615
182615
192616
202616
212616
222616
232616
242616
252615
262615
272615
282615
292515
302515
312515

How July really feels in Halton Hills

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.

Halton Hills 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-2° / -10°6110.28.99.10.0
Feb-1° / -10°518.2710.20.0
Mar / -5°599.75.711.60.3
Apr12° / 8311.42.813.22.8
May18° / 8411.6014.55.5
Jun23° / 13°8911.6015.26.5
Jul26° / 15°8211014.96.6
Aug25° / 14°7410013.86.9
Sep21° / 10°749.6012.36.4
Oct13° / 7611.10.510.83.6
Nov / -1°7010.13.59.50.6
Dec / -6°6110.27.88.80.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in July, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 23% of July, with mostly cloudy or overcast conditions the remaining 47%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25347
35446
45446
55446
65545
75545
85545
95644
105644
115644
125545
135545
145545
155545
165545
175446
185347
195347
205347
215347
225248
235149
245149
255149
265149
275149
285248
295248
305248
315149

Chance of precipitation in July

Any precipitation

Halton Hills gets around 82 mm of rain over 11 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 36% and peaks near 39% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
138
237
336
436
535
634
734
833
933
1033
1134
1234
1334
1435
1535
1635
1736
1836
1937
2037
2138
2238
2338
2439
2539
2639
2739
2839
2938
3038
3138

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

Most of July feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, July lands in the dry band about 33% of days. Sticky, muggy-or-worse air turns up on roughly 15% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1422422111
2422422121
3422422121
4412421121
5412421121
6412421131
7402421131
8402422131
9392422141
10382423142
11372423142
12362424142
13352425142
14342525142
15332526142
16322526142
17312626152
18302627152
19292727152
20292727152
21282827152
22282827152
23272927152
24273027152
25273026152
26273126142
27273126142
28273126142
29273126141
30283125141
31293125141

Wind in July

Winds average 11 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
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
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 4:47 AM to 5:11 AM, and sunset from 8:00 PM to 7:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.24:478:00
215.24:477:59
315.24:487:59
415.24:487:59
515.24:497:59
615.24:497:59
715.14:507:58
815.14:517:58
915.14:517:58
1015.14:527:57
1115.14:537:57
1215.04:547:56
1315.04:547:56
1415.04:557:55
1515.04:567:54
1614.94:577:54
1714.94:587:53
1814.94:597:52
1914.95:007:52
2014.85:007:51
2114.85:017:50
2214.85:027:49
2314.85:037:48
2414.75:047:47
2514.75:057:47
2614.75:067:46
2714.65:077:45
2814.65:087:43
2914.65:097:42
3014.55:107:41
3114.55:117:40

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 1.29 kWh/m² to a high of 6.27 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
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.2Intense
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
275.8Bright
285.8Bright
295.8Bright
305.8Bright
315.7Bright
Planning a trip in July

Is July a good time to visit Halton Hills?

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

6.6
Sightseeing
2nd-best month of the year
6.2
Beach & pool
1st-best month of the year

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

What to pack for Halton Hills in July

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

In July, Halton Hills sees daytime highs around 26°C and nights near 15°C. Pack sun protection. Worth having: light clothes and rain gear. About 11 days see rain.

sun protectionlight clothesrain gear

Sea temperature near Halton Hills 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 38 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 Halton Hills 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 Halton Hills peaks around June 22 at about 8 (very high) — sunscreen, a hat and midday shade are essential. 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 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 22UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5High
May6High
Jun8Very high
Jul8Very high
Aug7High
Sep5High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Halton Hills 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 Halton Hills 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 Halton Hills?

Halton Hills sits at 43.6°N, 79.9°W, 262 m above sea level, in Canada. The nearest listed city is Georgetown, 2.0 km away.

Topography around Halton Hills

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

Within 3 km, the terrain around Halton Hills has only modest variations in elevation — a maximum elevation change of 115 m around an average of 268 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 303 m; within 80 km, significant variations in elevation — a maximum elevation change of 470 m.

The land around Halton Hills is covered by trees (46%) and cropland (20%) within 3 km, trees (40%) and cropland (26%) within 16 km, and cropland (37%) and trees (27%) within 80 km.

3 km
115 m
16 km
303 m
80 km
470 m
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Georgetown 2.0 km · Brampton 14 km · Milton 14 km · Mississauga 23 km · Caledon 26 km · Guelph 28 km · West Humber-Clairville 28 km · Eringate-Centennial-West Deane 28 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 Halton Hills (43.6403°, -79.9315°, elevation 262 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).