Rivière-du-Loup weather in August

In August, Rivière-du-Loup sees average daytime highs of 20°C and overnight lows near 13°C, with 87 mm of rain across 11.9 wet days and about 14.1 hours of daylight. It is the 2nd-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 21°C in the first days to 18°C by the end. The sky is clear or mostly clear about 30% of the time in August, and the air most often feels dry.

Daylight stretches from about 14 h 48 min at the start of August to 13 h 18 min by month's end. Set against the rest of the year, August is Rivière-du-Loup's 2nd-clearest and 11th-windiest month. For the whole year in context, see Rivière-du-Loup's year-round climate.

Daytime high
20°
2nd warmest
Overnight low
13°
11th coldest
Rainfall
87 mm
11.9 wet days
Daylight
14 h 06 min
4:39 AM – 6:45 PM
Cloud cover
58%
2nd clearest
Wind
12 km/h
11th windiest
Solar energy
4.99 kWh/m²
Travel score
6.1
out of 10

Rivière-du-Loup is town in Quebec, Canada.

Density
134/km²
people per km²
Founded
1850

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 21°C in the first days to 18°C by the end.

A typical August day in Rivière-du-Loup reaches about 20°C in the afternoon and slips back to 13°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 23°C. Set against its neighbours, August runs on par with July and about 4°C warmer than September.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12114
22114
32114
42114
52114
62114
72114
82014
92014
102014
112014
122014
132014
142014
152013
162013
172013
182013
192013
202013
211913
221913
231913
241913
251912
261912
271912
281912
291812
301812
311812

How August really feels in Rivière-du-Loup

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.

Rivière-du-Loup weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-8° / -14°679.910.68.60.0
Feb-7° / -14°608.99.49.90.0
Mar-1° / -8°7710.710.111.60.0
Apr / -1°9312.26.313.40.4
May12° / 9312.61.114.93.0
Jun17° / 10°9312.4015.75.2
Jul20° / 14°8912.7015.45.9
Aug20° / 13°8711.9014.16.1
Sep16° / 10111.7012.44.6
Oct / 11712.31.510.61.7
Nov / -2°9111.56.99.10.0
Dec-4° / -9°8810.910.68.30.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 23% of August, with mostly cloudy or overcast conditions the remaining 48%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24654
34753
44951
54951
65050
75149
85149
95248
105347
115446
125446
135446
145545
155545
165545
175644
185644
195644
205644
215644
225446
235446
245446
255446
265347
275248
285248
295149
305149
315050

Chance of precipitation in August

Any precipitation

Rivière-du-Loup gets around 87 mm of rain over 11.9 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 37% and peaks near 40% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
140
240
340
440
540
639
739
839
939
1038
1138
1237
1337
1437
1536
1636
1736
1836
1935
2035
2136
2236
2336
2436
2536
2637
2737
2837
2937
3038
3138

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 53% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13942190
23942190
34042180
44042180
54042180
64142170
74241160
84341160
94441151
104540141
114640131
124739131
134839121
144938121
155038111
165137111
175336101
185435101
195534101
205633101
21583291
22593191
23613090
24642880
25652780
26662680
27682570
28692470
29702370
30722260
31732160

Wind in August

Winds average 12 km/h in August.

Across August, 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.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 48 min at the start of August to 13 h 18 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 4:19 AM to 5:00 AM, and sunset from 7:09 PM to 6:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.84:197:09
214.84:207:08
314.84:227:07
414.74:237:05
514.74:247:04
614.64:257:02
714.64:277:01
814.54:286:59
914.54:296:57
1014.44:316:56
1114.44:326:54
1214.34:346:52
1314.34:356:51
1414.24:366:49
1514.24:386:47
1614.14:396:45
1714.14:406:44
1814.04:426:42
1913.94:436:40
2013.94:456:38
2113.84:466:36
2213.84:476:34
2313.74:496:32
2413.74:506:31
2513.64:526:29
2613.64:536:27
2713.54:546:25
2813.44:566:23
2913.44:576:21
3013.34:586:19
3113.35:006:17

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.99 kWh/m².

For context, solar energy here swings from a low near 1.06 kWh/m² to a high of 5.9 kWh/m² in June across the year — August's 4.99 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.2Bright
115.2Bright
125.2Bright
135.1Bright
145.1Bright
155.1Bright
165.0Bright
175.0Bright
185.0Bright
194.9Bright
204.9Bright
214.9Bright
224.8Bright
234.8Bright
244.7Bright
254.7Bright
264.7Bright
274.6Bright
284.6Bright
294.5Bright
304.5Bright
314.4Bright
Planning a trip in August

Is August a good time to visit Rivière-du-Loup?

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

6.1
Sightseeing
1st-best month of the year
3.0
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Rivière-du-Loup for sightseeing.

What to pack for Rivière-du-Loup in August

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

In August, Rivière-du-Loup sees daytime highs around 20°C and nights near 13°C. Worth packing: rain gear and sun protection. About 12 days see rain.

rain gearsun protection

Sea temperature near Rivière-du-Loup in August

The nearest coast averages about 11°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 11°C and coldest in February near -0°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

0°5°10°15°JanFebMarAprMayJunJulAugSepOctNovDecbracing
Sea temperature (°C)Comfort
Jan0Bracing
Feb0Bracing
Mar0Bracing
Apr1Bracing
May2Bracing
Jun8Bracing
Jul11Bracing
Aug11Bracing
Sep9Bracing
Oct6Bracing
Nov2Bracing
Dec1Bracing

UV index in Rivière-du-Loup in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Rivière-du-Loup peaks around July 12 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. 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 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 12UV 7Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr4Moderate
May5High
Jun6High
Jul7Very high
Aug3Moderate
Sep5Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Rivière-du-Loup?

Rivière-du-Loup sits at 47.8°N, 69.5°W, 56 m above sea level, in Canada. The nearest listed city is Rimouski, 102 km away.

Topography around Rivière-du-Loup

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Rivière-du-Loup.

Within 3 km, the terrain around Rivière-du-Loup has only modest variations in elevation — a maximum elevation change of 160 m around an average of 61 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 308 m; within 80 km, large variations in elevation — a maximum elevation change of 1,042 m.

The land around Rivière-du-Loup is covered by trees (26%) and artificial surfaces (23%) within 3 km, water (40%) and trees (32%) within 16 km, and trees (71%) and water (21%) within 80 km.

3 km
160 m
16 km
308 m
80 km
1,042 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
August weather nearby: Rimouski 102 km · Edmundston 104 km · Saguenay 131 km · Chicoutimi 131 km · Jonquière 143 km · Beauport 164 km · Lévis 168 km · Charlesbourg 168 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 Rivière-du-Loup (47.827°, -69.5424°, elevation 56 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).