Corner Brook weather in August

In August, Corner Brook sees average daytime highs of 19°C and overnight lows near 13°C, with 121 mm of rain across 14.6 wet days and about 14.2 hours of daylight. It is the 1st-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 20°C in the first days to 18°C by the end. The sky is clear or mostly clear about 24% of the time in August, and the air most often feels dry.

Daylight stretches from about 15 hours at the start of August to 13 h 18 min by month's end. Set against the rest of the year, August is Corner Brook's 1st-clearest and 10th-windiest month. For the whole year in context, see Corner Brook's year-round climate.

Daytime high
19°
1st warmest
Overnight low
13°
12th coldest
Rainfall
121 mm
14.6 wet days
Daylight
14 h 12 min
5:20 AM – 7:32 PM
Cloud cover
67%
1st clearest
Wind
10 km/h
10th windiest
Solar energy
4.35 kWh/m²
Travel score
5.5
out of 10

Corner Brook is city in Newfoundland and Labrador, Canada.

Air quality
Good
PM2.5 6 µg/m³ · 2019
Density
130/km²
people per km²
Founded
1956

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 20°C in the first days to 18°C by the end.

A typical August day in Corner Brook reaches about 19°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)
12013
22013
32013
42013
52013
62013
72013
82013
92013
102013
112013
122013
132013
142013
152013
162013
172013
182013
191913
201913
211912
221912
231912
241912
251912
261912
271812
281812
291812
301811
311811

How August really feels in Corner Brook

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.

Corner Brook weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-5° / -11°1151820.68.50.0
Feb-5° / -12°10114.617.39.80.0
Mar-1° / -8°9613.913.911.60.0
Apr / -3°85138.913.40.2
May10° / 8413.12.9152.0
Jun15° / 8612.20.115.94.1
Jul19° / 11°10413.8015.65.4
Aug19° / 13°12114.6014.25.5
Sep16° / 120140.112.44.2
Oct10° / 12816.32.310.51.8
Nov / -0°12817.8118.90.1
Dec-1° / -6°12618.818.68.10.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of August, with mostly cloudy or overcast conditions the remaining 63%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13763
23763
33763
43862
53862
63961
73961
83961
94060
103961
113862
123961
133961
143961
153961
163961
173961
183862
193862
203862
213862
223664
233664
243664
253664
263664
273664
283664
293763
303763
313664

Chance of precipitation in August

Any precipitation

Corner Brook gets around 121 mm of rain over 14.6 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 47% and peaks near 50% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
142
242
342
442
543
643
744
844
945
1045
1146
1246
1346
1447
1547
1647
1747
1848
1948
2048
2149
2249
2349
2450
2550
2650
2749
2849
2949
3049
3149

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 50% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14535201
24535201
34435201
44436201
54436191
64436191
74437181
84437181
94438171
104438171
114538161
124538161
134539151
144539151
154639141
164638141
174738141
184838131
194937131
205036131
215036131
225235121
235433121
245532121
255731111
265930110
276128110
286327100
296426100
30662590
31672490

Wind in August

Winds average 10 km/h in August.

Across August, daily wind ranges from about 9 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
19calm
29calm
39calm
49calm
59calm
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 15 hours 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 102 minutes over August. Sunrise moves from 4:59 AM to 5:42 AM, and sunset from 7:57 PM to 7:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.04:597:57
214.95:007:55
314.95:027:54
414.85:037:52
514.85:047:51
614.75:067:49
714.75:077:47
814.65:097:46
914.65:107:44
1014.55:117:42
1114.55:137:41
1214.45:147:39
1314.45:167:37
1414.35:177:35
1514.25:197:34
1614.25:207:32
1714.15:227:30
1814.15:237:28
1914.05:247:26
2014.05:267:24
2113.95:277:22
2213.95:297:20
2313.85:307:18
2413.75:327:16
2513.75:337:14
2613.65:357:12
2713.65:367:10
2813.55:387:08
2913.45:397:06
3013.45:417:04
3113.35:427:02

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.35 kWh/m².

For context, solar energy here swings from a low near 0.72 kWh/m² to a high of 5.32 kWh/m² in June across the year — August's 4.35 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.7Bright
94.7Bright
104.6Bright
114.6Bright
124.6Bright
134.5Bright
144.5Bright
154.4Bright
164.4Bright
174.3Bright
184.3Bright
194.2Bright
204.2Bright
214.1Bright
224.1Bright
234.0Bright
244.0Bright
254.0Moderate
263.9Moderate
273.9Moderate
283.8Moderate
293.8Moderate
303.8Moderate
313.7Moderate
Planning a trip in August

Is August a good time to visit Corner Brook?

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

5.5
Sightseeing
1st-best month of the year
2.5
Beach & pool
1st-best month of the year

August is a reasonable time to visit Corner Brook for sightseeing.

What to pack for Corner Brook in August

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

In August, Corner Brook sees daytime highs around 19°C and nights near 13°C. Pack rain gear. About 15 days see rain.

rain gear

Sea temperature near Corner Brook in August

The nearest coast averages about 16°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 36 km away) is warmest in August at about 16°C and coldest in March near -0°C.

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

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan1Bracing
Feb0Bracing
Mar0Bracing
Apr1Bracing
May3Bracing
Jun8Bracing
Jul13Bracing
Aug16Cool
Sep14Bracing
Oct9Bracing
Nov6Bracing
Dec3Bracing

UV index in Corner Brook in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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 Corner Brook peaks around June 17 at about 7 (very 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 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 17UV 7Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr5Moderate
May6High
Jun7Very high
Jul7High
Aug6High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Corner Brook?

Corner Brook sits at 49.0°N, 58.0°W, 17 m above sea level, in Canada. The nearest listed city is Saint-Pierre, 275 km away.

Saint-PierreGlace BaySydneyConception Bay SouthParadiseMount PearlSt. John'sCharlottetown

Topography around Corner Brook

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

Within 3 km, the terrain around Corner Brook has significant variations in elevation — a maximum elevation change of 347 m around an average of 99 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 657 m; within 80 km, large variations in elevation — a maximum elevation change of 809 m.

The land around Corner Brook is covered by trees (47%) and water (27%) within 3 km, trees (67%) and grassland (21%) within 16 km, and trees (44%), water (30%) and grassland (24%) within 80 km.

3 km
347 m
16 km
657 m
80 km
809 m
treesgrasslandartificial surfacesbare terrainwaterwetlandmoss and lichen
August weather nearby: Saint-Pierre 275 km · Glace Bay 341 km · Sydney 355 km · Conception Bay South 401 km · Paradise 407 km · Mount Pearl 415 km · St. John's 417 km · Charlottetown 491 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 Corner Brook (48.95°, -57.952°, elevation 17 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).