Banff weather in August

In August, Banff sees average daytime highs of 17°C and overnight lows near 4°C, with 78 mm of precipitation across 12.7 wet days and about 14.4 hours of daylight. It is the 2nd-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 18°C in the first days to 15°C by the end. The sky is clear or mostly clear about 30% of the time in August, and the air most often feels dry.

Daylight stretches from about 15 h 12 min at the start of August to 13 h 24 min by month's end. Set against the rest of the year, August is Banff's 2nd-clearest and 12th-windiest month. For the whole year in context, see Banff's year-round climate.

Daytime high: 17°; 2nd warmest
Overnight low: 4°; 11th coldest
Precipitation: 78 mm; 12.7 wet days
Daylight: 14 h 24 min; 5:35 AM – 7:58 PM
Cloud cover: 57%; 2nd clearest
Wind: 6 km/h; 12th windiest
Solar energy: 5.54 kWh/m²
Travel score: 5.1; out of 10

Banff is town in Alberta, Canada.

Density: 1,741/km²; people per km²
Founded: 1885

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

← July Banff year-round climate September →Best places to visit in August

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 18°C in the first days to 15°C by the end.

A typical August day in Banff reaches about 17°C in the afternoon and slips back to 4°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 23°C. Set against its neighbours, August runs on par with July and about 5°C warmer than September.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	18	18	18	18	18	18	18	18	18	17	17	17	17	17	17	17	17	17	17	17	16	16	16	16	16	16	16	15	15	15	15
Avg low (°C)	5	5	5	5	5	4	4	4	4	4	4	4	4	4	4	4	4	3	3	3	3	3	3	3	3	2	2	2	2	2	2

	Avg high (°C)	Avg low (°C)
1	18	5
2	18	5
3	18	5
4	18	5
5	18	5
6	18	4
7	18	4
8	18	4
9	18	4
10	17	4
11	17	4
12	17	4
13	17	4
14	17	4
15	17	4
16	17	4
17	17	4
18	17	3
19	17	3
20	17	3
21	16	3
22	16	3
23	16	3
24	16	3
25	16	3
26	16	2
27	16	2
28	15	2
29	15	2
30	15	2
31	15	2

How August really feels in Banff

Once humidity and wind are folded in, August averages 0 days that feel above 32°C and 3 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

The story in August is cold — wind chill drags the overnight "feels like" below the raw low.

Banff 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.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	-10° / -17°	23	6.6	8.1	8.2	0.0
Feb	-8° / -16°	21	5.5	7	9.6	0.0
Mar	-3° / -13°	37	9.5	11.2	11.5	0.0
Apr	2° / -8°	57	10.9	11.4	13.5	0.0
May	7° / -3°	78	12.4	8.7	15.3	0.9
Jun	12° / 1°	119	17.7	3.2	16.2	2.6
Jul	17° / 4°	88	14.9	0.6	15.9	4.9
Aug	17° / 4°	78	12.7	1	14.4	5.1
Sep	11° / -1°	62	10.2	4.9	12.4	2.9
Oct	3° / -8°	40	8.3	7.9	10.4	0.2
Nov	-5° / -14°	35	8	9.4	8.7	0.0
Dec	-11° / -18°	23	6.2	7.5	7.7	0.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 23% of August, with mostly cloudy or overcast conditions the remaining 47%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	57	57	57	56	55	55	54	53	53	52	52	52	51	51	51	51	52	52	52	52	53	53	53	52	52	52	52	51	51	51	50
Cloudier (%)	43	43	43	44	45	45	46	47	47	48	48	48	49	49	49	49	48	48	48	48	47	47	47	48	48	48	48	49	49	49	50

	Clearer (%)	Cloudier (%)
1	57	43
2	57	43
3	57	43
4	56	44
5	55	45
6	55	45
7	54	46
8	53	47
9	53	47
10	52	48
11	52	48
12	52	48
13	51	49
14	51	49
15	51	49
16	51	49
17	52	48
18	52	48
19	52	48
20	52	48
21	53	47
22	53	47
23	53	47
24	52	48
25	52	48
26	52	48
27	52	48
28	51	49
29	51	49
30	51	49
31	50	50

Chance of precipitation in August

Any precipitationSnow

Banff gets around 78 mm of rain and snow over 12.7 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 41% and peaks near 49% on the wettest days, and about 1 day brings snow. The odds ease toward the end of the month.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	48	49	49	49	49	49	49	48	48	47	47	46	44	43	42	41	40	38	37	36	35	35	34	34	34	34	34	34	34	35	35
Snow chance (%)	1	1	1	1	1	1	1	1	1	1	1	1	2	2	2	2	3	3	3	4	4	4	5	5	6	6	7	7	8	8	9

	Rain chance (%)	Snow chance (%)
1	48	1
2	49	1
3	49	1
4	49	1
5	49	1
6	49	1
7	49	1
8	48	1
9	48	1
10	47	1
11	47	1
12	46	1
13	44	2
14	43	2
15	42	2
16	41	2
17	40	3
18	38	3
19	37	3
20	36	4
21	35	4
22	35	4
23	34	5
24	34	5
25	34	6
26	34	6
27	34	7
28	34	7
29	34	8
30	35	8
31	35	9

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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Dry (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

Wind in August

Winds average 6 km/h in August, the calmest month.

Across August, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	7	7	7	7	7	7	7	7	7	7	7	7	7
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	6	calm
2	6	calm
3	6	calm
4	6	calm
5	6	calm
6	6	calm
7	6	calm
8	6	calm
9	6	calm
10	6	calm
11	6	calm
12	6	calm
13	6	calm
14	6	calm
15	6	calm
16	6	calm
17	6	calm
18	6	calm
19	7	calm
20	7	calm
21	7	calm
22	7	calm
23	7	calm
24	7	calm
25	7	calm
26	7	calm
27	7	calm
28	7	calm
29	7	calm
30	7	calm
31	7	calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 15 h 12 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 108 minutes over August. Sunrise moves from 5:12 AM to 5:59 AM, and sunset from 8:25 PM to 7:26 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	15.2	15.2	15.1	15.1	15.0	15.0	14.9	14.8	14.8	14.7	14.7	14.6	14.6	14.5	14.4	14.4	14.3	14.3	14.2	14.1	14.1	14.0	14.0	13.9	13.8	13.8	13.7	13.6	13.6	13.5	13.4
Sunrise (AM)	5:12	5:13	5:15	5:16	5:18	5:19	5:21	5:22	5:24	5:25	5:27	5:29	5:30	5:32	5:33	5:35	5:37	5:38	5:40	5:41	5:43	5:45	5:46	5:48	5:49	5:51	5:53	5:54	5:56	5:58	5:59
Sunset (PM)	8:25	8:23	8:22	8:20	8:18	8:17	8:15	8:13	8:11	8:09	8:08	8:06	8:04	8:02	8:00	7:58	7:56	7:54	7:52	7:50	7:47	7:45	7:43	7:41	7:39	7:37	7:34	7:32	7:30	7:28	7:26

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	15.2	5:12	8:25
2	15.2	5:13	8:23
3	15.1	5:15	8:22
4	15.1	5:16	8:20
5	15.0	5:18	8:18
6	15.0	5:19	8:17
7	14.9	5:21	8:15
8	14.8	5:22	8:13
9	14.8	5:24	8:11
10	14.7	5:25	8:09
11	14.7	5:27	8:08
12	14.6	5:29	8:06
13	14.6	5:30	8:04
14	14.5	5:32	8:02
15	14.4	5:33	8:00
16	14.4	5:35	7:58
17	14.3	5:37	7:56
18	14.3	5:38	7:54
19	14.2	5:40	7:52
20	14.1	5:41	7:50
21	14.1	5:43	7:47
22	14.0	5:45	7:45
23	14.0	5:46	7:43
24	13.9	5:48	7:41
25	13.8	5:49	7:39
26	13.8	5:51	7:37
27	13.7	5:53	7:34
28	13.6	5:54	7:32
29	13.6	5:56	7:30
30	13.5	5:58	7:28
31	13.4	5:59	7:26

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.54 kWh/m².

For context, solar energy here swings from a low near 1.11 kWh/m² to a high of 6.57 kWh/m² in May across the year — August's 5.54 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	6.2	6.1	6.1	6.0	6.0	5.9	5.9	5.8	5.8	5.8	5.7	5.7	5.7	5.6	5.6	5.6	5.5	5.5	5.5	5.4	5.4	5.3	5.3	5.3	5.2	5.2	5.1	5.1	5.0	5.0	4.9
Level	Intense	Intense	Intense	Intense	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	6.2	Intense
2	6.1	Intense
3	6.1	Intense
4	6.0	Intense
5	6.0	Bright
6	5.9	Bright
7	5.9	Bright
8	5.8	Bright
9	5.8	Bright
10	5.8	Bright
11	5.7	Bright
12	5.7	Bright
13	5.7	Bright
14	5.6	Bright
15	5.6	Bright
16	5.6	Bright
17	5.5	Bright
18	5.5	Bright
19	5.5	Bright
20	5.4	Bright
21	5.4	Bright
22	5.3	Bright
23	5.3	Bright
24	5.3	Bright
25	5.2	Bright
26	5.2	Bright
27	5.1	Bright
28	5.1	Bright
29	5.0	Bright
30	5.0	Bright
31	4.9	Bright

Planning a trip in August

Hazard calendar for Banff

In seasonPeak

In August, Banff sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Banff's rainy season runs April–September, 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 Banff?

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

5.1

Sightseeing

1st-best month of the year

1.1

Beach & pool

2nd-best month of the year

August is a reasonable time to visit Banff for sightseeing.

What to pack for Banff in August

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

In August, Banff sees daytime highs around 17°C and nights near 4°C. Worth packing: a warm layer, rain gear and sun protection. About 13 days see rain.

a warm layerrain gearsun protection

UV index in Banff 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 Banff peaks around July 15 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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	1	1	4	5	7	6	9	6	4	3	1	1
Level	Low	Low	Moderate	High	High	High	Very high	High	Moderate	Moderate	Low	Low

	UV index (midday)	Level
Jan	1	Low
Feb	1	Low
Mar	4	Moderate
Apr	5	High
May	7	High
Jun	6	High
Jul	9	Very high
Aug	6	High
Sep	4	Moderate
Oct	3	Moderate
Nov	1	Low
Dec	1	Low

Air quality in Banff 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 Banff is worst in August — around 64 µg/m³ PM2.5 (unhealthy), about 25.7× the cleanest month (January, 3 µg/m³).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	3	4	5	6	9	8	31	64	14	8	29	3
Level	Good	Good	Good	Good	Good	Good	Moderate	Unhealthy	Moderate	Good	Moderate	Good

	PM2.5 (µg/m³)	Level
Jan	3	Good
Feb	4	Good
Mar	5	Good
Apr	6	Good
May	9	Good
Jun	8	Good
Jul	31	Moderate
Aug	64	Unhealthy
Sep	14	Moderate
Oct	8	Good
Nov	29	Moderate
Dec	3	Good

Location & terrain

Where is Banff?

Banff sits at 51.2°N, 115.6°W, 0 m above sea level, in Canada. The nearest listed city is Canmore, 18 km away.

Topography around Banff

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

Within 3 km, the terrain around Banff has large variations in elevation — a maximum elevation change of 913 m around an average of 1,513 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,662 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,766 m.

The land around Banff is covered by trees (76%) within 3 km, trees (67%) and bare terrain (26%) within 16 km, and trees (63%) and bare terrain (21%) within 80 km.

3 km

913 m

trees 76%

16 km

1,662 m

trees 67%

80 km

2,766 m

trees 63%

treesgrasslandartificial surfacesbare terrainsnow and icewatermoss and lichen

← July Banff year-round climate September →Best places to visit in August

August weather nearby: Canmore 18 km · Cochrane 77 km · Tuscany 93 km · Edgemont 99 km · Evanston 101 km · Panorama Hills 104 km · Calgary 105 km · Coventry Hills 105 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

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 Banff (51.1762°, -115.5698°, 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. 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).

	Avg high (°C)	Avg low (°C)
1	18	5
2	18	5
3	18	5
4	18	5
5	18	5
6	18	4
7	18	4
8	18	4
9	18	4
10	17	4
11	17	4
12	17	4
13	17	4
14	17	4
15	17	4
16	17	4
17	17	4
18	17	3
19	17	3
20	17	3
21	16	3
22	16	3
23	16	3
24	16	3
25	16	3
26	16	2
27	16	2
28	15	2
29	15	2
30	15	2
31	15	2

	Clearer (%)	Cloudier (%)
1	57	43
2	57	43
3	57	43
4	56	44
5	55	45
6	55	45
7	54	46
8	53	47
9	53	47
10	52	48
11	52	48
12	52	48
13	51	49
14	51	49
15	51	49
16	51	49
17	52	48
18	52	48
19	52	48
20	52	48
21	53	47
22	53	47
23	53	47
24	52	48
25	52	48
26	52	48
27	52	48
28	51	49
29	51	49
30	51	49
31	50	50

	Rain chance (%)	Snow chance (%)
1	48	1
2	49	1
3	49	1
4	49	1
5	49	1
6	49	1
7	49	1
8	48	1
9	48	1
10	47	1
11	47	1
12	46	1
13	44	2
14	43	2
15	42	2
16	41	2
17	40	3
18	38	3
19	37	3
20	36	4
21	35	4
22	35	4
23	34	5
24	34	5
25	34	6
26	34	6
27	34	7
28	34	7
29	34	8
30	35	8
31	35	9

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

	Avg high (°C)	Avg low (°C)
1	18	5
2	18	5
3	18	5
4	18	5
5	18	5
6	18	4
7	18	4
8	18	4
9	18	4
10	17	4
11	17	4
12	17	4
13	17	4
14	17	4
15	17	4
16	17	4
17	17	4
18	17	3
19	17	3
20	17	3
21	16	3
22	16	3
23	16	3
24	16	3
25	16	3
26	16	2
27	16	2
28	15	2
29	15	2
30	15	2
31	15	2

	Clearer (%)	Cloudier (%)
1	57	43
2	57	43
3	57	43
4	56	44
5	55	45
6	55	45
7	54	46
8	53	47
9	53	47
10	52	48
11	52	48
12	52	48
13	51	49
14	51	49
15	51	49
16	51	49
17	52	48
18	52	48
19	52	48
20	52	48
21	53	47
22	53	47
23	53	47
24	52	48
25	52	48
26	52	48
27	52	48
28	51	49
29	51	49
30	51	49
31	50	50

	Rain chance (%)	Snow chance (%)
1	48	1
2	49	1
3	49	1
4	49	1
5	49	1
6	49	1
7	49	1
8	48	1
9	48	1
10	47	1
11	47	1
12	46	1
13	44	2
14	43	2
15	42	2
16	41	2
17	40	3
18	38	3
19	37	3
20	36	4
21	35	4
22	35	4
23	34	5
24	34	5
25	34	6
26	34	6
27	34	7
28	34	7
29	34	8
30	35	8
31	35	9

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

	Avg high (°C)	Avg low (°C)
1	18	5
2	18	5
3	18	5
4	18	5
5	18	5
6	18	4
7	18	4
8	18	4
9	18	4
10	17	4
11	17	4
12	17	4
13	17	4
14	17	4
15	17	4
16	17	4
17	17	4
18	17	3
19	17	3
20	17	3
21	16	3
22	16	3
23	16	3
24	16	3
25	16	3
26	16	2
27	16	2
28	15	2
29	15	2
30	15	2
31	15	2

	Clearer (%)	Cloudier (%)
1	57	43
2	57	43
3	57	43
4	56	44
5	55	45
6	55	45
7	54	46
8	53	47
9	53	47
10	52	48
11	52	48
12	52	48
13	51	49
14	51	49
15	51	49
16	51	49
17	52	48
18	52	48
19	52	48
20	52	48
21	53	47
22	53	47
23	53	47
24	52	48
25	52	48
26	52	48
27	52	48
28	51	49
29	51	49
30	51	49
31	50	50

	Rain chance (%)	Snow chance (%)
1	48	1
2	49	1
3	49	1
4	49	1
5	49	1
6	49	1
7	49	1
8	48	1
9	48	1
10	47	1
11	47	1
12	46	1
13	44	2
14	43	2
15	42	2
16	41	2
17	40	3
18	38	3
19	37	3
20	36	4
21	35	4
22	35	4
23	34	5
24	34	5
25	34	6
26	34	6
27	34	7
28	34	7
29	34	8
30	35	8
31	35	9

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100