Seafair weather in August

In August, Seafair sees average daytime highs of 20°C and overnight lows near 16°C, with 55 mm of rain across 6.3 wet days and about 14.2 hours of daylight. It is the 1st-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 21°C in the first days to 19°C by the end. The sky is clear or mostly clear about 53% of the time in August, and the air most often feels comfortable.

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 Seafair's 2nd-clearest and 12th-windiest month. For the whole year in context, see Seafair's year-round climate.

Daytime high
20°
1st warmest
Overnight low
16°
12th coldest
Rainfall
55 mm
6.3 wet days
Daylight
14 h 12 min
5:11 AM – 7:23 PM
Cloud cover
43%
2nd clearest
Wind
9 km/h
12th windiest
Solar energy
5.46 kWh/m²
Travel score
7.2
out of 10

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 19°C by the end.

A typical August day in Seafair reaches about 20°C in the afternoon and slips back to 16°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 24°C. Set against its neighbours, August runs on par with July and about 3°C warmer than September.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12116
22116
32116
42116
52116
62116
72116
82116
92116
102116
112116
122116
132016
142016
152016
162016
172016
182016
192016
202016
212016
222016
232016
242016
251915
261915
271915
281915
291915
301915
311915

Seafair 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 / 27618.64.88.50.3
Feb / 15714.24.29.80.7
Mar / 201183.211.61.2
Apr11° / 13414.60.413.42.4
May15° / 10°8611.30154.2
Jun17° / 13°6910.2015.95.4
Jul20° / 15°426015.67.1
Aug20° / 16°556.3014.27.2
Sep17° / 14°989012.45.7
Oct12° / 10°20815.6010.53.0
Nov / 301192.28.91.2
Dec / 26418.96.18.10.3

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 53% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 16% of August, with mostly cloudy or overcast conditions the remaining 31%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17525
27525
37426
47327
57228
67228
77228
87228
97129
107129
117030
127030
137030
146931
156931
166931
176931
186931
196931
206733
216733
226733
236634
246535
256535
266535
276535
286436
296436
306436
316337

Chance of precipitation in August

Any precipitation

Seafair gets around 55 mm of rain over 6.3 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 20% and peaks near 25% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
115
215
315
415
516
616
716
816
917
1017
1117
1217
1318
1418
1518
1619
1719
1820
1920
2021
2122
2223
2323
2424
2524
2625
2725
2825
2925
3025
3125

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the comfortable band about 55% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12458171
22558170
32558170
42557180
52557180
62557180
72556190
82556190
92556190
102556190
112655190
122655190
132755180
142755180
152855170
162955160
173055150
183155140
193255130
203355120
213455110
223555100
23365590
24375580
25395380
26405370
27415360
28435160
29445060
30454950
31464850

Wind in August

Winds average 9 km/h in August, the calmest month.

Across August, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

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 4:49 AM to 5:33 AM, and sunset from 7:48 PM to 6:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.04:497:48
214.94:517:47
314.94:527:45
414.84:537:44
514.84:557:42
614.74:567:41
714.74:587:39
814.64:597:37
914.65:007:36
1014.55:027:34
1114.55:037:32
1214.45:057:30
1314.45:067:29
1414.35:087:27
1514.35:097:25
1614.25:117:23
1714.25:127:21
1814.15:137:19
1914.05:157:17
2014.05:167:15
2113.95:187:14
2213.95:197:12
2313.85:217:10
2413.85:227:08
2513.75:247:05
2613.65:257:03
2713.65:277:01
2813.55:286:59
2913.55:306:57
3013.45:316:55
3113.35:336:53

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.46 kWh/m².

For context, solar energy here swings from a low near 0.76 kWh/m² to a high of 6.37 kWh/m² in July across the year — August's 5.46 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.1Intense
46.1Intense
56.0Intense
66.0Bright
75.9Bright
85.9Bright
95.8Bright
105.8Bright
115.8Bright
125.7Bright
135.7Bright
145.6Bright
155.6Bright
165.5Bright
175.5Bright
185.4Bright
195.3Bright
205.3Bright
215.2Bright
225.2Bright
235.1Bright
245.1Bright
255.0Bright
265.0Bright
274.9Bright
284.9Bright
294.8Bright
304.8Bright
314.7Bright
Planning a trip in August

Hazard calendar for Seafair

In seasonPeak

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

Seafair'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 Seafair?

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

7.2
Sightseeing
1st-best month of the year
3.8
Beach & pool
1st-best month of the year

August is one of the better times to visit Seafair for general sightseeing.

What to pack for Seafair in August

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

In August, Seafair sees daytime highs around 20°C and nights near 16°C. Worth packing: sun protection. About 6 days see rain.

sun protection

Sea temperature near Seafair 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 offshore is warmest in August at about 16°C and coldest in January near 7°C.

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

5°10°15°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan7Bracing
Feb7Bracing
Mar8Bracing
Apr10Bracing
May12Bracing
Jun14Bracing
Jul16Cool
Aug16Cool
Sep14Bracing
Oct11Bracing
Nov9Bracing
Dec8Bracing

UV index in Seafair 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 Seafair peaks around July 17 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 17UV 8Dec 18UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May7High
Jun6High
Jul8Very high
Aug6High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Seafair 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 Seafair is worst in August — around 18 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (December, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodAug 1517 µg/m³Dec 119 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb13Moderate
Mar16Moderate
Apr16Moderate
May17Moderate
Jun15Moderate
Jul15Moderate
Aug18Moderate
Sep14Moderate
Oct13Moderate
Nov9Good
Dec9Good
Location & terrain

Where is Seafair?

Seafair sits at 49.1°N, 123.2°W, 3 m above sea level, in Canada. The nearest listed city is Blundell, 2.0 km away.

Topography around Seafair

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

Within 3 km, the terrain around Seafair has only modest variations in elevation — a maximum elevation change of 13 m around an average of 2 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 175 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,629 m.

The land around Seafair is covered by artificial surfaces (34%), water (30%) and trees (20%) within 3 km, water (53%) within 16 km, and trees (51%) and water (34%) within 80 km.

3 km
13 m
16 km
175 m
80 km
2,629 m
treesgrasslandcroplandartificial surfacesbare terrainsnow and icewaterwetland
August weather nearby: Blundell 2.0 km · Steveston 3.0 km · Broadmoor 4.0 km · Richmond 4.0 km · Brighouse-City Centre 4.0 km · Marpole 8.0 km · Ladner 10 km · Sunset 10 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 Seafair (49.15°, -123.1833°, elevation 3 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. 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).