Shawinigan weather in August

In August, Shawinigan sees average daytime highs of 24°C and overnight lows near 14°C, with 96 mm of rain across 11.3 wet days and about 14 hours of daylight. It is the 2nd-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 25°C in the first days to 23°C by the end. The sky is clear or mostly clear about 27% of the time in August, and the air most often feels dry.

Daylight stretches from about 14 h 42 min at the start of August to 13 h 12 min by month's end. Set against the rest of the year, August is Shawinigan's 1st-clearest and 12th-windiest month. For the whole year in context, see Shawinigan's year-round climate.

Daytime high
24°
2nd warmest
Overnight low
14°
11th coldest
Rainfall
96 mm
11.3 wet days
Daylight
14 hours
4:55 AM – 6:56 PM
Cloud cover
60%
1st clearest
Wind
10 km/h
12th windiest
Solar energy
4.96 kWh/m²
Travel score
6.7
out of 10

Shawinigan is city in Québec, Canada.

Density
48/km²
people per km²
Founded
1901

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 25°C in the first days to 23°C by the end.

A typical August day in Shawinigan reaches about 24°C in the afternoon and slips back to 14°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 28°C. Set against its neighbours, August runs about 1°C cooler than July and about 5°C warmer than September.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12515
22515
32515
42515
52515
62515
72515
82515
92515
102515
112515
122515
132415
142414
152414
162414
172414
182414
192414
202414
212414
222414
232314
242313
252313
262313
272313
282313
292313
302313
312212

How August really feels in Shawinigan

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.

Shawinigan weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-7° / -16°7510.4108.80.0
Feb-5° / -15°608.38.5100.0
Mar / -8°759.8711.60.0
Apr10° / -0°9711.43.513.31.9
May18° / 8812.30.314.85.3
Jun23° / 13°10111.7015.66.4
Jul25° / 15°10312.6015.26.3
Aug24° / 14°9611.30146.7
Sep19° / 10°9910.9012.45.9
Oct12° / 10811.71.110.72.8
Nov / -3°8810.95.29.20.2
Dec-3° / -11°8711.1108.40.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 21% of August, with mostly cloudy or overcast conditions the remaining 52%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24753
34753
44753
54753
64852
74852
84753
94753
104753
114852
124852
134852
144852
154852
164951
174951
184951
194852
204852
214951
224951
234951
244852
254951
264951
274951
284852
294951
304951
314852

Chance of precipitation in August

Any precipitation

Shawinigan gets around 96 mm of rain over 11.3 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 36% and peaks near 39% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
139
238
338
438
538
637
737
837
937
1037
1137
1237
1337
1437
1536
1636
1736
1835
1935
2035
2135
2234
2334
2434
2534
2633
2733
2833
2933
3033
3134

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the dry band about 36% of days. Sticky, muggy-or-worse air turns up on roughly 10% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1272732131
2272832131
3272832130
4272831130
5272931120
6272931120
7283031110
8283031110
9283130110
10293130100
11293129100
12303129100
1331312890
1431312890
1532312880
1633312780
1734312780
1835302680
1936302580
2037292580
2139292480
2240292380
2342282280
2443282180
2545271980
2646271880
2748271880
2849261780
2950261680
3052251580
3153251480

Wind in August

Winds average 10 km/h in August, the calmest month.

Across August, 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
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 42 min at the start of August to 13 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 90 minutes over August. Sunrise moves from 4:36 AM to 5:14 AM, and sunset from 7:18 PM to 6:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.74:367:18
214.74:377:17
314.64:387:16
414.64:397:14
514.54:417:13
614.54:427:11
714.44:437:10
814.44:447:09
914.44:467:07
1014.34:477:05
1114.34:487:04
1214.24:497:02
1314.24:517:01
1414.14:526:59
1514.14:536:57
1614.04:556:56
1714.04:566:54
1813.94:576:52
1913.94:596:50
2013.85:006:48
2113.85:016:47
2213.75:036:45
2313.75:046:43
2413.65:056:41
2513.55:066:39
2613.55:086:37
2713.45:096:35
2813.45:106:34
2913.35:126:32
3013.35:136:30
3113.25:146:28

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.96 kWh/m².

For context, solar energy here swings from a low near 1.19 kWh/m² to a high of 5.85 kWh/m² in June across the year — August's 4.96 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
194.9Bright
204.9Bright
214.9Bright
224.8Bright
234.8Bright
244.8Bright
254.7Bright
264.7Bright
274.6Bright
284.6Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in August

Is August a good time to visit Shawinigan?

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

6.7
Sightseeing
1st-best month of the year
5.6
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Shawinigan for sightseeing.

What to pack for Shawinigan in August

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

In August, Shawinigan sees daytime highs around 24°C and nights near 14°C. Worth packing: light clothes, rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

UV index in Shawinigan in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Shawinigan peaks around July 13 at about 7 (very high) — sunscreen and a hat are worth it in the middle of the day. 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 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 13UV 7Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr4Moderate
May6High
Jun6High
Jul8Very high
Aug3Moderate
Sep5High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Shawinigan?

Shawinigan sits at 46.6°N, 72.7°W, 123 m above sea level, in Canada. The nearest listed city is Trois-Rivières, 29 km away.

Topography around Shawinigan

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

Within 3 km, the terrain around Shawinigan has only modest variations in elevation — a maximum elevation change of 196 m around an average of 126 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 350 m; within 80 km, large variations in elevation — a maximum elevation change of 709 m.

The land around Shawinigan is covered by trees (55%) within 3 km, trees (73%) within 16 km, and trees (70%) within 80 km.

3 km
196 m
16 km
350 m
80 km
709 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
August weather nearby: Trois-Rivières 29 km · Sorel-Tracy 65 km · Drummondville 79 km · Saint-Charles-Borromée 80 km · Joliette 80 km · Victoriaville 83 km · L'Assomption 98 km · Saint-Augustin-de-Desmaures 101 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 Shawinigan (46.5667°, -72.7491°, elevation 123 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. 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).