Stoney Creek weather in May

In May, Stoney Creek sees average daytime highs of 17°C and overnight lows near 9°C, with 83 mm of rain across 11.2 wet days and about 14.4 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 14°C in the first days to 19°C by the end. The sky is clear or mostly clear about 27% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 54 min at the start of May to 14 h 54 min by month's end. Set against the rest of the year, May is Stoney Creek's 5th-clearest and 9th-windiest month. For the whole year in context, see Stoney Creek's year-round climate.

Daytime high
17°
5th warmest
Overnight low
8th coldest
Rainfall
83 mm
11.2 wet days
Daylight
14 h 30 min
5:01 AM – 7:30 PM
Cloud cover
62%
5th clearest
Wind
12 km/h
9th windiest
Solar energy
5.91 kWh/m²
Travel score
5.1
out of 10

Stoney Creek is community in Ontario, Canada.

Density
762/km²
people per km²
Founded
1800

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 14°C in the first days to 19°C by the end.

A typical May day in Stoney Creek reaches about 17°C in the afternoon and slips back to 9°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 23°C. Set against its neighbours, May runs about 6°C warmer than April and about 6°C cooler than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1146
2146
3146
4146
5147
6157
7157
8157
9157
10157
11168
12168
13168
14168
15168
16178
17179
18179
19179
20189
211810
221810
231810
241810
251910
261911
271911
281911
292011
302012
312012

How May really feels in Stoney Creek

Once humidity and wind are folded in, May 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

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

Stoney Creek weather by month

How May compares with the rest of the year at a glance. May is the 5th-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° / -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° / 8311.2014.45.1
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 May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 16% of May, with mostly cloudy or overcast conditions the remaining 57%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24258
34159
44159
54159
64159
74258
84258
94258
104357
114357
124357
134357
144258
154357
164357
174357
184357
194357
204456
214555
224555
234555
244555
254555
264654
274654
284654
294555
304555
314555

Chance of precipitation in May

Any precipitation

Stoney Creek gets around 83 mm of rain over 11.2 wet days in May. 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
238
338
438
539
639
739
839
938
1038
1138
1238
1337
1437
1536
1636
1735
1835
1934
2034
2133
2233
2333
2433
2533
2633
2734
2834
2934
3034
3135

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 87% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
198200
298200
398200
497300
597300
697300
796400
896400
995500
1095500
1193610
1293610
1392710
1492710
1591810
1690910
1789920
18881020
19861130
20841231
21831241
22811351
23801361
24781471
25781471
26761581
27741592
28731692
297216102
307216102
316917113

Wind in May

Winds average 12 km/h in May.

Across May, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 54 min at the start of May to 14 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over May. Sunrise moves from 5:20 AM to 4:49 AM, and sunset from 7:13 PM to 7:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.95:207:13
213.95:197:14
314.05:177:15
414.05:167:16
514.05:147:17
614.15:137:18
714.15:127:20
814.25:107:21
914.25:097:22
1014.35:087:23
1114.35:077:24
1214.35:067:25
1314.45:047:26
1414.45:037:27
1514.45:027:29
1614.55:017:30
1714.55:007:31
1814.54:597:32
1914.64:587:33
2014.64:577:34
2114.64:567:35
2214.74:557:36
2314.74:547:37
2414.74:537:38
2514.84:537:39
2614.84:527:40
2714.84:517:41
2814.94:507:42
2914.94:507:43
3014.94:497:43
3114.94:497:44

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.91 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 — May's 5.91 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.6Bright
45.6Bright
55.6Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
196.0Bright
206.0Intense
216.0Intense
226.0Intense
236.1Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.2Intense
306.2Intense
316.2Intense
Planning a trip in May

Is May a good time to visit Stoney Creek?

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

5.1
Sightseeing
5th-best month of the year
1.3
Beach & pool
5th-best month of the year

May is a reasonable time to visit Stoney Creek for sightseeing.

What to pack for Stoney Creek in May

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

In May, Stoney Creek sees daytime highs around 17°C and nights near 9°C. Worth packing: a warm layer, rain gear and sun protection. About 11 days see rain.

a warm layerrain gearsun protection

Sea temperature near Stoney Creek in May

The nearest coast averages about 8°C in May — 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 Stoney Creek in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Stoney Creek peaks around June 20 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 20UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr5High
May6High
Jun8Very high
Jul8Very high
Aug6High
Sep5High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Stoney Creek in May

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Stoney Creek is worst in May — around 22 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodMay 2021 µg/m³Dec 1010 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb15Moderate
Mar18Moderate
Apr18Moderate
May22Moderate
Jun20Moderate
Jul20Moderate
Aug17Moderate
Sep17Moderate
Oct11Good
Nov10Good
Dec10Good
Location & terrain

Where is Stoney Creek?

Stoney Creek sits at 43.2°N, 79.8°W, 112 m above sea level, in Canada. The nearest listed city is Hamilton, 8.0 km away.

Topography around Stoney Creek

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

Within 3 km, the terrain around Stoney Creek has only modest variations in elevation — a maximum elevation change of 141 m around an average of 133 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 203 m; within 80 km, significant variations in elevation — a maximum elevation change of 442 m.

The land around Stoney Creek is covered by artificial surfaces (42%) and trees (32%) within 3 km, water (27%), cropland (23%) and trees (20%) within 16 km, and water (33%), cropland (27%) and trees (21%) within 80 km.

3 km
141 m
16 km
203 m
80 km
442 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Hamilton 8.0 km · Waterdown 16 km · Grimsby 16 km · Ancaster 18 km · Burlington 20 km · Oakville 27 km · Milton 35 km · Mississauga 41 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 Stoney Creek (43.2168°, -79.7663°, elevation 112 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).