Penticton weather in August

In August, Penticton sees average daytime highs of 24°C and overnight lows near 12°C, with 22 mm of rain across 4.8 wet days and about 14.2 hours of daylight. It is the 2nd-warmest and 12th-wettest month of the year here.

Highs ease over the month, from about 25°C in the first days to 22°C by the end. The sky is clear or mostly clear about 49% 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 24 min by month's end. Set against the rest of the year, August is Penticton's 1st-clearest and 12th-windiest month. For the whole year in context, see Penticton's year-round climate.

Daytime high
24°
2nd warmest
Overnight low
12°
12th coldest
Rainfall
22 mm
4.8 wet days
Daylight
14 h 12 min
4:55 AM – 7:10 PM
Cloud cover
43%
1st clearest
Wind
5 km/h
12th windiest
Solar energy
5.96 kWh/m²
Travel score
8.0
out of 10

Penticton is city in British Columbia, Canada.

Density
802/km²
people per km²
Founded
1908

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 22°C by the end.

A typical August day in Penticton reaches about 24°C in the afternoon and slips back to 12°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 30°C. Set against its neighbours, August runs on par with July and about 5°C warmer than September.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12612
22612
32512
42512
52512
62512
72512
82512
92512
102512
112512
122512
132512
142512
152412
162412
172412
182412
192412
202411
212311
222311
232311
242311
252311
262311
272211
282211
292210
302210
312210

How August really feels in Penticton

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.

Penticton weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-1° / -6°5812.612.98.40.0
Feb / -5°4410.49.59.80.0
Mar / -2°6112.28.811.50.4
Apr10° / 5010.23.913.42.4
May16° / 5510.10.815.15.0
Jun19° / 549.80.1166.1
Jul24° / 11°275.1015.67.9
Aug24° / 12°224.8014.28.0
Sep19° / 366.60.112.46.5
Oct10° / 62111.910.52.4
Nov / -2°8414.810.98.90.0
Dec-1° / -6°6713.814.680.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 49% 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 30%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17822
27822
37822
47723
57624
67624
77525
87525
97525
107327
117327
127327
137129
147129
157129
167030
177030
186832
196733
206733
216634
226634
236535
246436
256337
266337
276337
286238
296139
306139
316139

Chance of precipitation in August

Any precipitation

Penticton gets around 22 mm of rain over 4.8 wet days in August, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 15% and peaks near 18% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
112
212
312
413
513
614
714
815
915
1015
1116
1216
1316
1416
1516
1616
1715
1815
1915
2015
2115
2216
2316
2416
2516
2617
2717
2817
2917
3017
3118

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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
11000
21000
31000
41000
5991
6991
7991
8991
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
22991
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in August

Winds average 5 km/h in August, the calmest month.

Across August, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 15 hours at the start of August to 13 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 96 minutes over August. Sunrise moves from 4:34 AM to 5:18 AM, and sunset from 7:35 PM to 6:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.04:347:35
215.04:357:34
314.94:377:32
414.94:387:30
514.84:397:29
614.84:417:27
714.74:427:26
814.74:447:24
914.64:457:22
1014.64:477:20
1114.54:487:19
1214.54:497:17
1314.44:517:15
1414.34:527:13
1514.34:547:11
1614.24:557:10
1714.24:577:08
1814.14:587:06
1914.15:007:04
2014.05:017:02
2114.05:037:00
2213.95:046:58
2313.85:066:56
2413.85:076:54
2513.75:096:52
2613.75:106:50
2713.65:126:48
2813.55:136:45
2913.55:156:43
3013.45:166:41
3113.45:186:39

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.96 kWh/m².

For context, solar energy here swings from a low near 1.06 kWh/m² to a high of 6.93 kWh/m² in July across the year — August's 5.96 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.7Intense
26.7Intense
36.6Intense
46.6Intense
56.5Intense
66.5Intense
76.4Intense
86.4Intense
96.3Intense
106.3Intense
116.3Intense
126.2Intense
136.2Intense
146.1Intense
156.1Intense
166.0Intense
176.0Bright
185.9Bright
195.8Bright
205.8Bright
215.7Bright
225.7Bright
235.6Bright
245.6Bright
255.5Bright
265.4Bright
275.4Bright
285.3Bright
295.3Bright
305.2Bright
315.2Bright
Planning a trip in August

Is August a good time to visit Penticton?

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

8.0
Sightseeing
1st-best month of the year
6.6
Beach & pool
2nd-best month of the year

August is one of the better times to visit Penticton for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Penticton in August

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

In August, Penticton sees daytime highs around 24°C and nights near 12°C. Worth packing: light clothes and sun protection. About 5 days see rain.

light clothessun protection

UV index in Penticton 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 Penticton peaks around July 17 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 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 highHighModerateLowJul 17UV 8Dec 15UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar4Moderate
Apr5High
May7High
Jun6High
Jul8Very high
Aug7High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Penticton in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Penticton is worst in August — around 62 µg/m³ PM2.5 (unhealthy), about 12.8× the cleanest month (January, 5 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModeratePoorAug 1657 µg/m³Jan 215 µg/m³
PM2.5 (µg/m³)Level
Jan5Good
Feb5Good
Mar7Good
Apr7Good
May8Good
Jun8Good
Jul29Moderate
Aug62Unhealthy
Sep22Moderate
Oct39Poor
Nov44Poor
Dec6Good
Location & terrain

Where is Penticton?

Penticton sits at 49.5°N, 119.6°W, 357 m above sea level, in Canada. The nearest listed city is Okanagan Mission, 38 km away.

Topography around Penticton

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

Within 3 km, the terrain around Penticton has significant variations in elevation — a maximum elevation change of 439 m around an average of 410 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,680 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,336 m.

The land around Penticton is covered by artificial surfaces (40%) and grassland (34%) within 3 km, trees (66%) and grassland (23%) within 16 km, and trees (75%) and grassland (21%) within 80 km.

3 km
439 m
16 km
1,680 m
80 km
2,336 m
treesgrasslandartificial surfacesbare terrainwatermoss and lichen
August weather nearby: Okanagan Mission 38 km · West Kelowna 42 km · Kelowna 45 km · Rutland 49 km · Lake Country 60 km · Vernon 90 km · Salmon Arm 137 km · Kamloops 142 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 Penticton (49.4806°, -119.5858°, elevation 357 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).