Hamilton weather in July

In July, Hamilton sees average daytime highs of 26°C and overnight lows near 18°C, with 77 mm of rain across 10 wet days and about 14.9 hours of daylight. It is the 1st-warmest and 6th-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 33% 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 Hamilton's 2nd-clearest and 12th-windiest month. For the whole year in context, see Hamilton's year-round climate.

Daytime high
26°
1st warmest
Overnight low
18°
12th coldest
Rainfall
77 mm
10 wet days
Daylight
14 h 54 min
4:58 AM – 7:52 PM
Cloud cover
54%
2nd clearest
Wind
11 km/h
12th windiest
Solar energy
6.14 kWh/m²
Travel score
6.8
out of 10

Hamilton is city in Ontario, Canada.

Air quality
Good
PM2.5 8.5 µg/m³ · 2019
Founded
1846

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 Hamilton reaches about 26°C in the afternoon and slips back to 18°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 30°C. Set against its neighbours, July runs about 3°C warmer than June and on par with August.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12517
22517
32517
42517
52517
62517
72517
82518
92518
102518
112618
122618
132618
142618
152618
162618
172618
182618
192618
202618
212618
222618
232618
242618
252618
262618
272618
282618
292618
302618
312618

How July really feels in Hamilton

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.

Hamilton weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-1° / -7°7111.48.19.20.0
Feb / -7°568.56.410.20.0
Mar / -3°699.94.511.60.2
Apr11° / 9411.51.813.22.4
May17° / 8311.2014.55.1
Jun22° / 15°8611.6015.16.5
Jul26° / 18°7710014.96.8
Aug25° / 18°699.4013.87.0
Sep21° / 14°779.3012.36.7
Oct15° / 8511010.84.2
Nov / 7910.32.19.51.2
Dec / -3°7110.55.88.90.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 23% of July, with mostly cloudy or overcast conditions the remaining 44%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25644
35743
45743
55743
65842
75842
85842
95842
105842
115842
125743
135743
145743
155644
165644
175644
185545
195545
205545
215545
225545
235446
245446
255545
265545
275545
285644
295644
305743
315743

Chance of precipitation in July

Any precipitation

Hamilton gets around 77 mm of rain over 10 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 33% and peaks near 35% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
135
234
333
433
532
631
731
831
931
1031
1132
1232
1332
1433
1533
1633
1733
1834
1934
2034
2135
2235
2335
2435
2535
2635
2735
2834
2934
3034
3134

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 31% of days. Sticky, muggy-or-worse air turns up on roughly 28% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1252625204
2252625204
3252625204
4242625214
5242625214
6242625215
7232625215
8222526225
9222526225
10212427235
11202428235
12192329236
13192230236
14182231236
15182132236
16172133236
17172034236
18162035236
19162035236
20151936236
21151936236
22152036237
23142036237
24142036237
25142136236
26132136236
27132235236
28132335236
29132334236
30142433246
31142432246

Wind in July

Winds average 11 km/h in July, the calmest month.

Across July, daily wind ranges from about 11 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
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in July

DaylightNight

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 4:48 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
315.14:497:58
415.14:497:57
515.14:507:57
615.14:507:57
715.14:517:57
815.14:527:56
915.14:527:56
1015.04:537:55
1115.04:547:55
1215.04:557:55
1315.04:557:54
1415.04:567:53
1514.94:577:53
1614.94:587:52
1714.94:597:52
1814.95:007:51
1914.85:007:50
2014.85:017:49
2114.85:027:49
2214.75:037:48
2314.75:047:47
2414.75:057:46
2514.65:067:45
2614.65:077:44
2714.65:087:43
2814.55:097:42
2914.55:107:41
3014.55:117:40
3114.45:127:39

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 1.32 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 Hamilton?

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

6.8
Sightseeing
2nd-best month of the year
6.3
Beach & pool
1st-best month of the year

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

What to pack for Hamilton in July

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

In July, Hamilton sees daytime highs around 26°C and nights near 18°C. Pack sun protection. Worth having: light clothes and rain gear. About 10 days see rain.

sun protectionlight clothesrain gear

Sea temperature near Hamilton 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 23 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 Hamilton 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 Hamilton 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
Location & terrain

Where is Hamilton?

Hamilton sits at 43.3°N, 79.8°W, 95 m above sea level, in Canada. The nearest listed city is Stoney Creek, 8.0 km away.

Topography around Hamilton

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

Within 3 km, the terrain around Hamilton has only modest variations in elevation — a maximum elevation change of 144 m around an average of 125 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 235 m; within 80 km, significant variations in elevation — a maximum elevation change of 457 m.

The land around Hamilton is covered by artificial surfaces (66%) and trees (25%) within 3 km, trees (28%) and cropland (20%) within 16 km, and cropland (31%), water (29%) and trees (22%) within 80 km.

3 km
144 m
16 km
235 m
80 km
457 m
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Stoney Creek 8.0 km · Waterdown 10 km · Ancaster 12 km · Burlington 15 km · Grimsby 24 km · Oakville 26 km · Milton 30 km · Brantford 36 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 Hamilton (43.2501°, -79.8496°, elevation 95 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).