Windsor weather in August

In August, Windsor sees average daytime highs of 26°C and overnight lows near 19°C, with 76 mm of rain across 9.6 wet days and about 13.7 hours of daylight. It is the 2nd-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 27°C in the first days to 25°C by the end. The sky is clear or mostly clear about 34% of the time in August, and the air most often feels humid.

Daylight stretches from about 14 h 18 min at the start of August to 13 h 06 min by month's end. Set against the rest of the year, August is Windsor's 3rd-clearest and 12th-windiest month. For the whole year in context, see Windsor's year-round climate.

Daytime high
26°
2nd warmest
Overnight low
19°
11th coldest
Rainfall
76 mm
9.6 wet days
Daylight
13 h 42 min
5:44 AM – 7:28 PM
Cloud cover
55%
3rd clearest
Wind
12 km/h
12th windiest
Solar energy
5.51 kWh/m²
Travel score
6.8
out of 10

Windsor is city in Essex County, Ontario, Canada.

Air quality
Good
PM2.5 8.5 µg/m³ · 2019
Density
1,570/km²
people per km²
Founded
1749

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 27°C in the first days to 25°C by the end.

A typical August day in Windsor reaches about 26°C in the afternoon and slips back to 19°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, August runs about 1°C cooler than July and about 4°C warmer than September.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12719
22719
32719
42719
52719
62719
72719
82719
92719
102719
112719
122619
132619
142619
152619
162619
172619
182619
192618
202618
212618
222618
232618
242618
252618
262618
272618
282618
292518
302518
312517

How August really feels in Windsor

Once humidity and wind are folded in, August 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

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

Windsor weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-0° / -7°6410.25.99.30.0
Feb / -6°548.35.410.30.0
Mar / -2°659.63.811.60.6
Apr13° / 9112113.13.4
May20° / 11°9012.8014.45.7
Jun25° / 17°8610.90156.6
Jul27° / 19°7810.7014.86.4
Aug26° / 19°769.6013.76.8
Sep22° / 14°678.3012.37.0
Oct15° / 698.9010.84.8
Nov / 6991.59.61.5
Dec / -3°629.14.190.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 22% of August, with mostly cloudy or overcast conditions the remaining 44%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25545
35545
45545
55545
65545
75545
85545
95545
105545
115545
125545
135545
145644
155644
165743
175644
185644
195644
205644
215545
225644
235644
245644
255743
265743
275842
285842
295941
305842
315842

Chance of precipitation in August

Any precipitation

Windsor gets around 76 mm of rain over 9.6 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 31% and peaks near 33% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
133
233
332
432
532
632
732
833
933
1033
1133
1233
1333
1433
1533
1632
1732
1832
1932
2031
2131
2231
2330
2430
2529
2629
2729
2828
2928
3028
3128

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the humid band about 27% of days. Sticky, muggy-or-worse air turns up on roughly 36% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
110252529110
210252528110
310252628110
410252628110
510252627110
611252627110
711252726111
811242726111
911242826110
1011242826110
1112242825110
1212242825110
1312242825110
1412252825100
1511252825100
1611252826100
171124292790
181124282790
191124282790
201124282890
211224282890
221223282980
231223272980
241323272980
251323272880
261423272880
271523272870
281623272770
291623272670
301823272570
311923272470

Wind in August

Winds average 12 km/h in August, the calmest month.

Across August, 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
112light breeze
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 18 min at the start of August to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 72 minutes over August. Sunrise moves from 5:28 AM to 6:01 AM, and sunset from 7:48 PM to 7:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.35:287:48
214.35:297:47
314.35:307:46
414.25:317:44
514.25:337:43
614.15:347:42
714.15:357:41
814.15:367:39
914.05:377:38
1014.05:387:37
1113.95:397:35
1213.95:407:34
1313.95:417:32
1413.85:427:31
1513.85:437:30
1613.75:447:28
1713.75:457:27
1813.65:467:25
1913.65:487:23
2013.65:497:22
2113.55:507:20
2213.55:517:19
2313.45:527:17
2413.45:537:15
2513.35:547:14
2613.35:557:12
2713.25:567:10
2813.25:577:09
2913.15:587:07
3013.15:597:05
3113.16:017:04

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.51 kWh/m².

For context, solar energy here swings from a low near 1.48 kWh/m² to a high of 6.48 kWh/m² in June across the year — August's 5.51 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.0Bright
26.0Bright
35.9Bright
45.9Bright
55.9Bright
65.8Bright
75.8Bright
85.8Bright
95.7Bright
105.7Bright
115.7Bright
125.6Bright
135.6Bright
145.6Bright
155.5Bright
165.5Bright
175.5Bright
185.4Bright
195.4Bright
205.4Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.2Bright
265.2Bright
275.2Bright
285.1Bright
295.1Bright
305.1Bright
315.0Bright
Planning a trip in August

Is August a good time to visit Windsor?

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

6.8
Sightseeing
2nd-best month of the year
6.5
Beach & pool
2nd-best month of the year

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

What to pack for Windsor in August

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

In August, Windsor sees daytime highs around 26°C and nights near 19°C. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

Sea temperature near Windsor in August

The nearest coast averages about 23°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 14 km away) is warmest in August at about 23°C and coldest in February near 0°C.

It's comfortable for a long swim from Jul 2 to Sep 15 — about 2.5 months when the water holds above 20°C.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan1Bracing
Feb0Bracing
Mar1Bracing
Apr5Bracing
May11Bracing
Jun18Cool
Jul22Refreshing
Aug23Refreshing
Sep20Refreshing
Oct14Bracing
Nov8Bracing
Dec4Bracing

UV index in Windsor in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Windsor peaks around June 20 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 9Dec 20UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar4Moderate
Apr6High
May7High
Jun9Very high
Jul8Very high
Aug7High
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low
Location & terrain

Where is Windsor?

Windsor sits at 42.3°N, 83.0°W, 190 m above sea level, in Canada. The nearest listed city is Detroit, 4.0 km away.

Topography around Windsor

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

Within 3 km, the terrain around Windsor has only modest variations in elevation — a maximum elevation change of 41 m around an average of 187 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 98 m; within 80 km, significant variations in elevation — a maximum elevation change of 279 m.

The land around Windsor is covered by artificial surfaces (64%) and trees (21%) within 3 km, artificial surfaces (36%) and trees (20%) within 16 km, and water (29%), trees (26%) and cropland (26%) within 80 km.

3 km
41 m
16 km
98 m
80 km
279 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
August weather nearby: Detroit 4.0 km · LaSalle 7.0 km · Hamtramck 11 km · Tecumseh 11 km · Dearborn 13 km · Lincoln Park 14 km · Wyandotte 15 km · Allen Park 17 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 Windsor (42.3001°, -83.0165°, elevation 190 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).