Whistler weather in August

In August, Whistler sees average daytime highs of 18°C and overnight lows near 7°C, with 85 mm of precipitation across 10.3 wet days and about 14.3 hours of daylight. It is the 1st-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 19°C in the first days to 16°C by the end. The sky is clear or mostly clear about 34% of the time in August, and the air most often feels dry.

Daylight stretches from about 15 h 06 min at the start of August to 13 h 24 min by month's end. Set against the rest of the year, August is Whistler's 1st-clearest and 9th-windiest month. For the whole year in context, see Whistler's year-round climate.

Daytime high
18°
1st warmest
Overnight low
11th coldest
Precipitation
85 mm
10.3 wet days
Daylight
14 h 18 min
5:07 AM – 7:25 PM
Cloud cover
55%
1st clearest
Wind
4 km/h
9th windiest
Solar energy
5.19 kWh/m²
Travel score
5.7
out of 10

Whistler is town in British Columbia, Canada.

Air quality
Excellent
PM2.5 5 µg/m³ · 2019
Density
36/km²
people per km²
Founded
1914

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 19°C in the first days to 16°C by the end.

A typical August day in Whistler reaches about 18°C in the afternoon and slips back to 7°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 24°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)
1198
2198
3198
4198
5198
6198
7198
8198
9188
10188
11188
12187
13187
14187
15187
16187
17187
18187
19177
20177
21177
22177
23177
24176
25166
26166
27166
28166
29166
30166
31166

How August really feels in Whistler

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.

Whistler weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-3° / -8°35019.219.88.30.0
Feb-1° / -7°21515.315.99.70.0
Mar / -5°29119.919.911.50.0
Apr / -3°16916.415.413.50.1
May / 12515.87.515.21.6
Jun13° / 12216.92.116.13.0
Jul17° / 8010.80.115.75.6
Aug18° / 8510.30.114.35.7
Sep13° / 13511.81.912.43.6
Oct / -1°27317.312.310.50.5
Nov-1° / -6°39119.818.98.80.0
Dec-4° / -8°34219.119.77.90.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 16% of August, with mostly cloudy or overcast conditions the remaining 50%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16040
25941
35842
45842
55842
65644
75644
85644
95545
105446
115446
125446
135248
145248
155149
165149
175050
184951
194852
204753
214654
224555
234456
244456
254357
264159
274159
284060
294159
304060
314060

Chance of precipitation in August

Any precipitation

Whistler gets around 85 mm of rain and snow over 10.3 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 33% and peaks near 39% on the wettest days, and about 0 day brings snow. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
129
229
330
430
530
630
731
831
931
1031
1131
1231
1331
1431
1531
1631
1731
1832
1932
2033
2133
2234
2335
2436
2536
2637
2738
2838
2938
3039
3139

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1991
2991
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in August

Winds average 4 km/h in August.

Across August, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 15 h 06 min 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 102 minutes over August. Sunrise moves from 4:45 AM to 5:30 AM, and sunset from 7:51 PM to 6:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.14:457:51
215.04:467:49
315.04:487:48
414.94:497:46
514.94:517:44
614.84:527:43
714.84:547:41
814.74:557:39
914.74:577:38
1014.64:587:36
1114.65:007:34
1214.55:017:32
1314.55:037:30
1414.45:047:28
1514.35:067:27
1614.35:077:25
1714.25:097:23
1814.25:107:21
1914.15:127:19
2014.15:137:17
2114.05:157:15
2213.95:167:13
2313.95:187:11
2413.85:197:08
2513.85:217:06
2613.75:237:04
2713.65:247:02
2813.65:267:00
2913.55:276:58
3013.45:296:56
3113.45:306:53

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.19 kWh/m².

For context, solar energy here swings from a low near 0.85 kWh/m² to a high of 5.98 kWh/m² in July across the year — August's 5.19 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.8Bright
45.8Bright
55.8Bright
65.7Bright
75.7Bright
85.6Bright
95.6Bright
105.5Bright
115.5Bright
125.5Bright
135.4Bright
145.3Bright
155.3Bright
165.2Bright
175.2Bright
185.1Bright
195.1Bright
205.0Bright
214.9Bright
224.9Bright
234.8Bright
244.8Bright
254.7Bright
264.6Bright
274.6Bright
284.5Bright
294.5Bright
304.4Bright
314.4Bright
Planning a trip in August

Hazard calendar for Whistler

In seasonPeak

None of Whistler's seasonal hazards are active in August. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Whistler's rainy season runs October–March, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Whistler?

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

5.7
Sightseeing
1st-best month of the year
1.7
Beach & pool
1st-best month of the year

August is a reasonable time to visit Whistler for sightseeing.

What to pack for Whistler in August

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

In August, Whistler sees daytime highs around 18°C and nights near 7°C. Worth packing: a warm layer, rain gear and sun protection. About 10 days see rain.

a warm layerrain gearsun protection

UV index in Whistler 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 Whistler peaks around July 17 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateVery highHighModerateLowJul 17UV 8Dec 18UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar4Moderate
Apr5Moderate
May8Very high
Jun7High
Jul9Very high
Aug7High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Whistler?

Whistler sits at 50.1°N, 123.0°W, 0 m above sea level, in Canada. The nearest listed city is Squamish, 49 km away.

Topography around Whistler

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

Within 3 km, the terrain around Whistler has large variations in elevation — a maximum elevation change of 852 m around an average of 826 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,493 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,912 m.

The land around Whistler is covered by trees (79%) within 3 km, trees (70%) within 16 km, and trees (62%) within 80 km.

3 km
852 m
16 km
2,493 m
80 km
2,912 m
treesgrasslandartificial surfacesbare terrainsnow and icewatermoss and lichen
August weather nearby: Squamish 49 km · Central Lonsdale 89 km · West Vancouver 89 km · North Vancouver 90 km · Lower Lonsdale 90 km · Westwood Plateau 91 km · Hastings-Sunrise 93 km · Coquitlam 94 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 Whistler (50.1182°, -122.954°, elevation 0 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).