Mississauga weather in June

In June, Mississauga sees average daytime highs of 22°C and overnight lows near 14°C, with 82 mm of rain across 11.3 wet days and about 15.2 hours of daylight. It is the 3rd-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 20°C in the first days to 24°C by the end. The sky is clear or mostly clear about 30% of the time in June, and the air most often feels dry.

Daylight stretches from about 15 hours at the start of June to 15 h 12 min by month's end. Set against the rest of the year, June is Mississauga's 4th-clearest and 10th-windiest month. For the whole year in context, see Mississauga's year-round climate.

Daytime high
22°
3rd warmest
Overnight low
14°
10th coldest
Rainfall
82 mm
11.3 wet days
Daylight
15 h 12 min
4:42 AM – 7:56 PM
Cloud cover
58%
4th clearest
Wind
11 km/h
10th windiest
Solar energy
6.25 kWh/m²
Travel score
6.5
out of 10

Mississauga is city in Ontario, Canada.

Air quality
Good
PM2.5 7 µg/m³ · 2019
Founded
1968

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

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 20°C in the first days to 24°C by the end.

A typical June day in Mississauga reaches about 22°C in the afternoon and slips back to 14°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 27°C. Set against its neighbours, June runs about 6°C warmer than May and about 3°C cooler than July.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12012
22012
32012
42012
52012
62013
72113
82113
92113
102113
112114
122214
132214
142214
152214
162214
172215
182315
192315
202315
212315
222315
232316
242416
252416
262416
272416
282416
292416
302416

How June really feels in Mississauga

Once humidity and wind are folded in, June 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

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

Mississauga weather by month

How June compares with the rest of the year at a glance. June is the 3rd-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-1° / -7°70118.59.10.0
Feb-0° / -7°558.66.610.20.0
Mar / -3°659.64.911.60.2
Apr10° / 8911.3213.22.3
May16° / 8111014.55.0
Jun22° / 14°8211.3015.26.5
Jul25° / 18°7410.1014.96.8
Aug25° / 17°669.4013.87.1
Sep21° / 13°759.2012.36.6
Oct14° / 8311.10.110.84.0
Nov / 7710.22.69.51.0
Dec / -3°7010.56.38.80.0

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 20% of June, with mostly cloudy or overcast conditions the remaining 50%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14753
24753
34852
44852
54852
64852
74852
84852
94951
104951
114951
124951
134951
144852
154951
165050
175050
185050
195050
205050
215149
225149
235149
245149
255248
265347
275347
285446
295446
305545

Chance of precipitation in June

Any precipitation

Mississauga gets around 82 mm of rain over 11.3 wet days in June. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 37% and peaks near 39% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
134
234
334
434
534
635
735
835
935
1035
1135
1236
1336
1436
1537
1637
1738
1838
1939
2039
2139
2239
2339
2439
2538
2638
2737
2837
2937
3036

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the dry band about 50% of days. Sticky, muggy-or-worse air turns up on roughly 7% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
17316920
27216930
370171030
470171030
568181130
667191130
765201230
863201340
962211340
1060221440
1158231540
1256241640
1353251750
1451261850
1549261960
1647272060
1745282070
1843282170
1942292280
2040292280
2138292390
22373024100
23353024100
24343024111
25333025121
26332925121
27322925131
28312825141
29312825151
30302825151

Wind in June

Winds average 11 km/h in June.

Across June, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 15 hours at the start of June to 15 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over June. Sunrise moves from 4:46 AM to 4:45 AM, and sunset from 7:46 PM to 7:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
115.04:467:46
215.04:467:47
315.04:457:48
415.14:457:48
515.14:447:49
615.14:447:50
715.14:447:51
815.14:437:51
915.14:437:52
1015.24:437:52
1115.24:437:53
1215.24:427:54
1315.24:427:54
1415.24:427:55
1515.24:427:55
1615.24:427:56
1715.24:427:56
1815.24:427:56
1915.24:427:57
2015.24:427:57
2115.24:427:57
2215.24:437:58
2315.24:437:58
2415.24:437:58
2515.24:437:58
2615.24:447:58
2715.24:447:58
2815.24:447:58
2915.24:457:58
3015.24:457:58

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 6.25 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.3 kWh/m² to a high of 6.25 kWh/m² in June across the year — June's 6.25 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.1Intense
46.2Intense
56.2Intense
66.2Intense
76.2Intense
86.2Intense
96.2Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.3Intense
156.3Intense
166.3Intense
176.3Intense
186.3Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
Planning a trip in June

Is June a good time to visit Mississauga?

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

6.5
Sightseeing
4th-best month of the year
4.5
Beach & pool
3rd-best month of the year

June is a reasonable time to visit Mississauga for sightseeing.

What to pack for Mississauga in June

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

In June, Mississauga sees daytime highs around 22°C and nights near 14°C. Pack sun protection. Worth having: light clothes and rain gear. About 11 days see rain.

sun protectionlight clothesrain gear

Sea temperature near Mississauga in June

The nearest coast averages about 15°C in June — 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 Mississauga in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June 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 Mississauga peaks around June 21 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 21UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5High
May6High
Jun8Very high
Jul8Very high
Aug6High
Sep5High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Mississauga?

Mississauga sits at 43.6°N, 79.7°W, 159 m above sea level, in Canada. The nearest listed city is Etobicoke, 10 km away.

Topography around Mississauga

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

Within 3 km, the terrain around Mississauga has only modest variations in elevation — a maximum elevation change of 102 m around an average of 151 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 191 m; within 80 km, significant variations in elevation — a maximum elevation change of 459 m.

The land around Mississauga is covered by artificial surfaces (62%) and trees (28%) within 3 km, artificial surfaces (40%) within 16 km, and cropland (29%), trees (26%) and water (22%) within 80 km.

3 km
102 m
16 km
191 m
80 km
459 m
treesgrasslandcroplandartificial surfacesbare terrainwater
June weather nearby: Etobicoke 10 km · Eringate-Centennial-West Deane 11 km · Islington-City Centre West 11 km · Mimico 12 km · Stonegate-Queensway 14 km · Willowridge-Martingrove-Richview 14 km · Oakville 14 km · Brampton 15 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 Mississauga (43.5789°, -79.6583°, elevation 159 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).