Mount Pearl weather in August

In August, Mount Pearl sees average daytime highs of 19°C and overnight lows near 13°C, with 80 mm of rain across 10.4 wet days and about 14.1 hours of daylight. It is the 1st-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 19°C through the month. The sky is clear or mostly clear about 22% 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 Mount Pearl's 2nd-clearest and 11th-windiest month. For the whole year in context, see Mount Pearl's year-round climate.

Daytime high
19°
1st warmest
Overnight low
13°
12th coldest
Rainfall
80 mm
10.4 wet days
Daylight
14 h 06 min
5:03 AM – 7:08 PM
Cloud cover
69%
2nd clearest
Wind
17 km/h
11th windiest
Solar energy
4.43 kWh/m²
Travel score
5.9
out of 10

Mount Pearl is city in Newfoundland and Labrador, Canada.

Air quality
Excellent
PM2.5 5 µg/m³ · 2019
Density
1,426/km²
people per km²
Founded
1834

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 19°C through the month.

A typical August day in Mount Pearl reaches about 19°C in the afternoon and slips back to 13°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 23°C. Set against its neighbours, August runs about 1°C warmer than July and about 3°C warmer than September.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11913
21913
32013
42013
52013
62013
72014
82014
92014
102014
112014
122014
132014
142014
152013
162013
171913
181913
191913
201913
211913
221913
231913
241913
251913
261913
271812
281812
291812
301812
311812

How August really feels in Mount Pearl

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.

Mount Pearl weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-0° / -6°12514.411.68.70.0
Feb-1° / -7°10312.8109.90.0
Mar / -5°10512.98.711.60.0
Apr / -1°8712.25.413.30.1
May / 7211.21.214.91.6
Jun13° / 6610.6015.73.5
Jul18° / 12°7810.5015.45.6
Aug19° / 13°8010.4014.15.9
Sep16° / 10°9310.7012.44.7
Oct11° / 10512.50.310.62.4
Nov / 11013.639.10.6
Dec / -3°12715.38.88.30.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 14% of August, with mostly cloudy or overcast conditions the remaining 64%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13367
23367
33367
43466
53565
63565
73565
83664
93664
103664
113664
123664
133664
143664
153763
163763
173763
183763
193664
203763
213763
223763
233664
243664
253664
263664
273763
283862
293763
303763
313763

Chance of precipitation in August

Any precipitation

Mount Pearl gets around 80 mm of rain over 10.4 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 33% and peaks near 37% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
131
231
331
431
531
631
731
831
931
1031
1131
1231
1332
1432
1532
1632
1732
1833
1933
2034
2134
2235
2336
2436
2537
2637
2737
2837
2937
3037
3137

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 43% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14037193
23938203
33938203
43839203
53739213
63739213
73740213
83740212
93740212
103740212
113740212
123740212
133739212
143839212
153938212
163938202
174037202
184137202
194236192
204336192
214535182
224634182
234734172
244933172
255032162
265331151
275331151
285530141
295729131
305829121
315928121

Wind in August

Winds average 17 km/h in August.

Across August, daily wind ranges from about 16 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze
3118light 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 4:43 AM to 5:23 AM, and sunset from 7:31 PM to 6:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.84:437:31
214.84:447:30
314.74:457:29
414.74:477:27
514.64:487:26
614.64:497:24
714.54:517:23
814.54:527:21
914.44:537:20
1014.44:557:18
1114.34:567:16
1214.34:577:15
1314.24:597:13
1414.25:007:11
1514.15:017:09
1614.15:037:08
1714.05:047:06
1814.05:057:04
1913.95:077:02
2013.95:087:00
2113.85:106:59
2213.85:116:57
2313.75:126:55
2413.75:146:53
2513.65:156:51
2613.55:166:49
2713.55:186:47
2813.45:196:45
2913.45:216:43
3013.35:226:41
3113.35:236:39

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.43 kWh/m².

For context, solar energy here swings from a low near 0.93 kWh/m² to a high of 5.18 kWh/m² in July across the year — August's 4.43 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.6Bright
144.6Bright
154.5Bright
164.5Bright
174.5Bright
184.4Bright
194.4Bright
204.3Bright
214.3Bright
224.2Bright
234.2Bright
244.2Bright
254.1Bright
264.1Bright
274.0Bright
284.0Moderate
294.0Moderate
303.9Moderate
313.9Moderate
Planning a trip in August

Is August a good time to visit Mount Pearl?

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

5.9
Sightseeing
1st-best month of the year
2.6
Beach & pool
1st-best month of the year

August is a reasonable time to visit Mount Pearl for sightseeing.

What to pack for Mount Pearl in August

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

In August, Mount Pearl sees daytime highs around 19°C and nights near 13°C. Worth packing: rain gear. About 10 days see rain.

rain gear

Sea temperature near Mount Pearl in August

The nearest coast averages about 14°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 14°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°5°10°15°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan1Bracing
Feb0Bracing
Mar0Bracing
Apr1Bracing
May3Bracing
Jun6Bracing
Jul11Bracing
Aug14Bracing
Sep12Bracing
Oct9Bracing
Nov6Bracing
Dec3Bracing

UV index in Mount Pearl 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 Mount Pearl peaks around June 14 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 14UV 8Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr5Moderate
May7Very high
Jun8Very high
Jul7High
Aug6High
Sep4Moderate
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Mount Pearl?

Mount Pearl sits at 47.5°N, 52.8°W, 109 m above sea level, in Canada. The nearest listed city is St. John's, 8.0 km away.

Corner BrookGlace BaySydneyNew Glasgow

Topography around Mount Pearl

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

Within 3 km, the terrain around Mount Pearl has only modest variations in elevation — a maximum elevation change of 224 m around an average of 134 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 270 m; within 80 km, significant variations in elevation — a maximum elevation change of 327 m.

The land around Mount Pearl is covered by trees (43%), grassland (28%) and artificial surfaces (27%) within 3 km, trees (48%) and water (31%) within 16 km, and water (56%) and trees (26%) within 80 km.

3 km
224 m
16 km
270 m
80 km
327 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: St. John's 8.0 km · Paradise 8.0 km · Conception Bay South 16 km · Saint-Pierre 270 km · Corner Brook 415 km · Glace Bay 565 km · Sydney 583 km · New Glasgow 784 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 Mount Pearl (47.5166°, -52.7814°, elevation 109 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).