Fort McMurray weather in August

In August, Fort McMurray sees average daytime highs of 22°C and overnight lows near 10°C, with 63 mm of rain across 10.3 wet days and about 14.9 hours of daylight. It is the 2nd-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 23°C in the first days to 19°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 16 hours at the start of August to 13 h 48 min by month's end. Set against the rest of the year, August is Fort McMurray's 1st-clearest and 7th-windiest month. For the whole year in context, see Fort McMurray's year-round climate.

Daytime high
22°
2nd warmest
Overnight low
10°
11th coldest
Rainfall
63 mm
10.3 wet days
Daylight
14 h 54 min
5:01 AM – 7:58 PM
Cloud cover
61%
1st clearest
Wind
9 km/h
7th windiest
Solar energy
4.61 kWh/m²
Travel score
6.5
out of 10

Fort McMurray is municipality in Alberta, Canada.

Air quality
Good
PM2.5 6.5 µg/m³ · 2019
Density
1,276/km²
people per km²
Founded
1947

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 23°C in the first days to 19°C by the end.

A typical August day in Fort McMurray reaches about 22°C in the afternoon and slips back to 10°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 28°C. Set against its neighbours, August runs about 2°C cooler than July and about 6°C warmer than September.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12311
22311
32311
42311
52311
62311
72311
82311
92311
102311
112310
122210
132210
142210
152210
162210
172210
182210
19219
20219
21219
22219
23219
24209
25209
26208
27208
28208
29198
30198
31198

How August really feels in Fort McMurray

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.

Fort McMurray weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-12° / -21°155.16.27.20.0
Feb-8° / -19°123.64.49.10.0
Mar-0° / -13°175.3511.40.0
Apr / -3°245.63.313.92.1
May17° / 377.60.816.15.5
Jun21° / 7911.7017.46.0
Jul23° / 12°8213.4016.96.3
Aug22° / 10°6310.3014.96.5
Sep16° / 518.50.312.54.9
Oct / -2°286.43.2101.1
Nov-4° / -11°185.76.27.80.0
Dec-10° / -19°164.85.76.60.0

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 22% of August, with mostly cloudy or overcast conditions the remaining 53%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25248
35248
45149
55248
65149
75149
85050
95149
104951
114951
124852
134852
144852
154555
164555
174456
184555
194456
204456
214357
224357
234258
244357
254357
264357
274357
284357
294258
304357
314357

Chance of precipitation in August

Any precipitation

Fort McMurray gets around 63 mm of rain 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 rain averages around 34% and peaks near 37% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
236
336
436
535
635
735
835
935
1035
1134
1234
1334
1434
1534
1634
1734
1834
1933
2033
2133
2232
2332
2433
2533
2633
2733
2834
2934
3034
3134

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 82% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
167294
267294
368284
469274
570264
671254
773243
874233
975223
1076213
1177203
1278193
1379183
1481172
1582162
1683152
1784142
1886131
1987121
2087121
2188111
2289101
239091
249181
259181
269370
279460
289460
299550
309640
319640

Wind in August

Winds average 9 km/h in August.

Across August, daily wind ranges from about 9 km/h on the calmest days to 10 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
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 16 hours at the start of August to 13 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 132 minutes over August. Sunrise moves from 4:31 AM to 5:32 AM, and sunset from 8:32 PM to 7:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
116.04:318:32
215.94:338:30
315.94:358:28
415.84:378:26
515.74:398:24
615.74:418:21
715.64:438:19
815.54:458:17
915.54:478:15
1015.44:498:12
1115.34:518:10
1215.24:538:08
1315.24:558:05
1415.14:578:03
1515.04:598:00
1614.95:017:58
1714.95:037:55
1814.85:057:53
1914.75:077:50
2014.65:107:48
2114.65:127:45
2214.55:147:43
2314.45:167:40
2414.35:187:37
2514.25:207:35
2614.25:227:32
2714.15:247:30
2814.05:267:27
2913.95:287:24
3013.95:307:21
3113.85:327:19

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.61 kWh/m².

For context, solar energy here swings from a low near 0.49 kWh/m² to a high of 5.84 kWh/m² in June across the year — August's 4.61 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.1Bright
55.1Bright
65.0Bright
75.0Bright
85.0Bright
94.9Bright
104.9Bright
114.8Bright
124.8Bright
134.7Bright
144.7Bright
154.6Bright
164.6Bright
174.5Bright
184.5Bright
194.4Bright
204.4Bright
214.3Bright
224.3Bright
234.2Bright
244.2Bright
254.1Bright
264.1Bright
274.0Bright
284.0Moderate
293.9Moderate
303.9Moderate
313.8Moderate
Planning a trip in August

Is August a good time to visit Fort McMurray?

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

6.5
Sightseeing
1st-best month of the year
4.2
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Fort McMurray for sightseeing.

What to pack for Fort McMurray in August

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

In August, Fort McMurray sees daytime highs around 22°C and nights near 10°C. Worth packing: rain gear and sun protection. About 10 days see rain.

rain gearsun protection

UV index in Fort McMurray in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Fort McMurray peaks around July 13 at about 6 (high) — a little sun protection helps at midday. It bottoms out near December 19 at about 0 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 13UV 6Dec 19UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr3Moderate
May3Moderate
Jun5High
Jul6High
Aug4Moderate
Sep3Moderate
Oct2Low
Nov0Low
Dec0Low

Air quality in Fort McMurray 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 Fort McMurray is worst in July — around 20 µg/m³ PM2.5 (moderate), about 14.2× the cleanest month (October, 1 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Fort McMurray's WHO annual average of 6.5 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodJul 1618 µg/m³Oct 202 µg/m³
PM2.5 (µg/m³)Level
Jan4Good
Feb2Good
Mar3Good
Apr4Good
May16Moderate
Jun8Good
Jul20Moderate
Aug8Good
Sep5Good
Oct1Good
Nov3Good
Dec5Good
Location & terrain

Where is Fort McMurray?

Fort McMurray sits at 56.7°N, 111.4°W, 258 m above sea level, in Canada. The nearest listed city is St. Albert, 373 km away.

St. AlbertEdmontonSherwood ParkWîhkwêntôwinSpruce GroveStony PlainLloydminsterLeduc

Topography around Fort McMurray

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

Within 3 km, the terrain around Fort McMurray has only modest variations in elevation — a maximum elevation change of 136 m around an average of 289 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 230 m; within 80 km, significant variations in elevation — a maximum elevation change of 581 m.

The land around Fort McMurray is covered by trees (52%) within 3 km, trees (65%) and grassland (26%) within 16 km, and trees (78%) within 80 km.

3 km
136 m
16 km
230 m
80 km
581 m
treesshrubsgrasslandartificial surfacesbare terrainwater
August weather nearby: St. Albert 373 km · Edmonton 377 km · Sherwood Park 378 km · Wîhkwêntôwin 379 km · Spruce Grove 390 km · Stony Plain 392 km · Lloydminster 394 km · Leduc 409 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 Fort McMurray (56.7268°, -111.381°, elevation 258 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).