Grande Prairie weather in August

In August, Grande Prairie sees average daytime highs of 21°C and overnight lows near 10°C, with 47 mm of rain across 8.9 wet days and about 14.8 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 31% of the time in August, and the air most often feels dry.

Daylight stretches from about 15 h 48 min at the start of August to 13 h 42 min by month's end. Set against the rest of the year, August is Grande Prairie's 1st-clearest and 11th-windiest month. For the whole year in context, see Grande Prairie's year-round climate.

Daytime high: 21°; 2nd warmest
Overnight low: 10°; 11th coldest
Rainfall: 47 mm; 8.9 wet days
Daylight: 14 h 48 min; 5:36 AM – 8:22 PM
Cloud cover: 58%; 1st clearest
Wind: 11 km/h; 11th windiest
Solar energy: 5.1 kWh/m²
Travel score: 6.7; out of 10

Grande Prairie is city in Alberta, Canada.

Air quality: Good; PM2.5 7 µg/m³ · 2019
Density: 1,130/km²; people per km²
Founded: 1914

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

← July Grande Prairie 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 23°C in the first days to 19°C by the end.

A typical August day in Grande Prairie reaches about 21°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 16°C and 27°C. Set against its neighbours, August runs about 1°C cooler than 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)	23	23	23	23	23	22	22	22	22	22	22	22	22	22	22	21	21	21	21	21	21	20	20	20	20	20	19	19	19	19	19
Avg low (°C)	11	11	11	11	11	11	11	10	10	10	10	10	10	10	10	10	10	9	9	9	9	9	9	9	8	8	8	8	8	8	8

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

How August really feels in Grande Prairie

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

heat index over the day's high

Days feeling ≤ 0°C

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.

Grande Prairie 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	-8° / -15°	28	7.7	8	7.5	0.0
Feb	-5° / -13°	16	4.8	5.7	9.2	0.0
Mar	0° / -9°	21	6.1	5.9	11.4	0.0
Apr	9° / -2°	25	6.2	2.8	13.8	2.0
May	16° / 4°	40	7.5	0.7	15.8	5.2
Jun	20° / 9°	73	11.3	0	17	5.9
Jul	22° / 11°	77	11.8	0	16.6	6.4
Aug	21° / 10°	47	8.9	0	14.8	6.7
Sep	16° / 5°	40	7.8	0.4	12.5	5.2
Oct	8° / -1°	35	7.3	2.8	10.2	1.6
Nov	-2° / -9°	31	8.3	7.1	8.1	0.0
Dec	-7° / -14°	22	6.3	6.5	7	0.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 20% of August, with mostly cloudy or overcast conditions the remaining 50%.

	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 (%)	53	53	52	51	51	50	49	50	50	50	51	51	51	50	50	51	51	51	52	52	51	51	51	50	49	49	48	48	48	46	47
Cloudier (%)	47	47	48	49	49	50	51	50	50	50	49	49	49	50	50	49	49	49	48	48	49	49	49	50	51	51	52	52	52	54	53

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

Chance of precipitation in August

Any precipitation

Grande Prairie gets around 47 mm of rain over 8.9 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 29% and peaks near 32% on the wettest days.

	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 (%)	32	32	32	31	31	31	31	30	30	29	29	28	28	28	27	27	27	27	27	27	27	28	28	28	28	28	29	29	29	29	29

	Rain chance (%)
1	32
2	32
3	32
4	31
5	31
6	31
7	31
8	30
9	30
10	29
11	29
12	28
13	28
14	28
15	27
16	27
17	27
18	27
19	27
20	27
21	27
22	28
23	28
24	28
25	28
26	28
27	29
28	29
29	29
30	29
31	29

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 91% 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 (%)	84	84	84	84	84	85	86	86	86	87	88	89	90	91	91	92	93	93	94	95	95	96	96	97	97	97	98	98	98	98	98
Comfortable (%)	14	14	14	14	14	14	13	13	13	12	11	11	10	9	9	8	7	7	6	5	5	4	4	3	3	3	2	2	2	2	2
Humid (%)	2	2	2	2	2	1	1	1	1	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

	Dry (%)	Comfortable (%)	Humid (%)
1	84	14	2
2	84	14	2
3	84	14	2
4	84	14	2
5	84	14	2
6	85	14	1
7	86	13	1
8	86	13	1
9	86	13	1
10	87	12	1
11	88	11	1
12	89	11	0
13	90	10	0
14	91	9	0
15	91	9	0
16	92	8	0
17	93	7	0
18	93	7	0
19	94	6	0
20	95	5	0
21	95	5	0
22	96	4	0
23	96	4	0
24	97	3	0
25	97	3	0
26	97	3	0
27	98	2	0
28	98	2	0
29	98	2	0
30	98	2	0
31	98	2	0

Wind in August

Winds average 11 km/h in August.

Across August, daily wind ranges from about 11 km/h on the calmest days to 11 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)	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11
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	11	calm
2	11	calm
3	11	calm
4	11	calm
5	11	calm
6	11	calm
7	11	calm
8	11	calm
9	11	calm
10	11	calm
11	11	calm
12	11	calm
13	11	calm
14	11	calm
15	11	calm
16	11	calm
17	11	calm
18	11	calm
19	11	calm
20	11	calm
21	11	calm
22	11	calm
23	11	calm
24	11	calm
25	11	calm
26	11	calm
27	11	calm
28	11	calm
29	11	calm
30	11	calm
31	11	calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 15 h 48 min at the start of August to 13 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 126 minutes over August. Sunrise moves from 5:08 AM to 6:05 AM, and sunset from 8:54 PM to 7:45 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)	15.8	15.7	15.6	15.6	15.5	15.4	15.4	15.3	15.3	15.2	15.1	15.0	15.0	14.9	14.8	14.8	14.7	14.6	14.6	14.5	14.4	14.3	14.3	14.2	14.1	14.0	14.0	13.9	13.8	13.7	13.7
Sunrise (AM)	5:08	5:10	5:12	5:14	5:16	5:17	5:19	5:21	5:23	5:25	5:27	5:29	5:31	5:32	5:34	5:36	5:38	5:40	5:42	5:44	5:46	5:48	5:50	5:52	5:54	5:56	5:57	5:59	6:01	6:03	6:05
Sunset (PM)	8:54	8:52	8:50	8:48	8:46	8:44	8:42	8:40	8:38	8:36	8:34	8:31	8:29	8:27	8:25	8:22	8:20	8:18	8:15	8:13	8:10	8:08	8:06	8:03	8:01	7:58	7:56	7:53	7:50	7:48	7:45

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	15.8	5:08	8:54
2	15.7	5:10	8:52
3	15.6	5:12	8:50
4	15.6	5:14	8:48
5	15.5	5:16	8:46
6	15.4	5:17	8:44
7	15.4	5:19	8:42
8	15.3	5:21	8:40
9	15.3	5:23	8:38
10	15.2	5:25	8:36
11	15.1	5:27	8:34
12	15.0	5:29	8:31
13	15.0	5:31	8:29
14	14.9	5:32	8:27
15	14.8	5:34	8:25
16	14.8	5:36	8:22
17	14.7	5:38	8:20
18	14.6	5:40	8:18
19	14.6	5:42	8:15
20	14.5	5:44	8:13
21	14.4	5:46	8:10
22	14.3	5:48	8:08
23	14.3	5:50	8:06
24	14.2	5:52	8:03
25	14.1	5:54	8:01
26	14.0	5:56	7:58
27	14.0	5:57	7:56
28	13.9	5:59	7:53
29	13.8	6:01	7:50
30	13.7	6:03	7:48
31	13.7	6:05	7:45

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.1 kWh/m².

For context, solar energy here swings from a low near 0.65 kWh/m² to a high of 6.34 kWh/m² in June across the year — August's 5.1 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)	5.8	5.7	5.7	5.7	5.6	5.6	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	4.9	4.8	4.8	4.7	4.7	4.6	4.5	4.5	4.4	4.3	4.3
Level	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	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	5.8	Bright
2	5.7	Bright
3	5.7	Bright
4	5.7	Bright
5	5.6	Bright
6	5.6	Bright
7	5.5	Bright
8	5.5	Bright
9	5.4	Bright
10	5.4	Bright
11	5.3	Bright
12	5.3	Bright
13	5.3	Bright
14	5.2	Bright
15	5.2	Bright
16	5.1	Bright
17	5.1	Bright
18	5.0	Bright
19	5.0	Bright
20	4.9	Bright
21	4.9	Bright
22	4.8	Bright
23	4.8	Bright
24	4.7	Bright
25	4.7	Bright
26	4.6	Bright
27	4.5	Bright
28	4.5	Bright
29	4.4	Bright
30	4.3	Bright
31	4.3	Bright

Planning a trip in August

Is August a good time to visit Grande Prairie?

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

6.7

Sightseeing

1st-best month of the year

4.1

Beach & pool

2nd-best month of the year

August is a reasonable time to visit Grande Prairie for sightseeing.

What to pack for Grande Prairie in August

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

In August, Grande Prairie sees daytime highs around 21°C and nights near 10°C. Worth packing: rain gear and sun protection. About 9 days see rain.

rain gearsun protection

UV index in Grande Prairie in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Grande Prairie peaks around July 15 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 18 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	1	1	2	3	5	6	7	5	3	2	1	0
Level	Low	Low	Moderate	Moderate	Moderate	High	Very high	Moderate	Moderate	Low	Low	Low

	UV index (midday)	Level
Jan	1	Low
Feb	1	Low
Mar	2	Moderate
Apr	3	Moderate
May	5	Moderate
Jun	6	High
Jul	7	Very high
Aug	5	Moderate
Sep	3	Moderate
Oct	2	Low
Nov	1	Low
Dec	0	Low

Location & terrain

Where is Grande Prairie?

Grande Prairie sits at 55.2°N, 118.8°W, 653 m above sea level, in Canada. The nearest listed city is Fort St. John, 176 km away.

Topography around Grande Prairie

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

Within 3 km, the terrain around Grande Prairie has only modest variations in elevation — a maximum elevation change of 57 m around an average of 662 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 273 m; within 80 km, large variations in elevation — a maximum elevation change of 1,036 m.

The land around Grande Prairie is covered by artificial surfaces (55%) within 3 km, trees (33%), cropland (32%) and grassland (20%) within 16 km, and trees (65%) and cropland (21%) within 80 km.

3 km

57 m

artificial surfaces 55%

16 km

273 m

trees 33%

80 km

1,036 m

trees 65%

treesgrasslandcroplandartificial surfacesbare terrainwatermoss and lichen

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

August weather nearby: Fort St. John 176 km · Jasper 259 km · Prince George 290 km · Stony Plain 360 km · Spruce Grove 365 km · St. Albert 375 km · Wîhkwêntôwin 387 km · Edmonton 389 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 Grande Prairie (55.1667°, -118.8027°, elevation 653 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).

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

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

	Rain chance (%)
1	32
2	32
3	32
4	31
5	31
6	31
7	31
8	30
9	30
10	29
11	29
12	28
13	28
14	28
15	27
16	27
17	27
18	27
19	27
20	27
21	27
22	28
23	28
24	28
25	28
26	28
27	29
28	29
29	29
30	29
31	29

	Dry (%)	Comfortable (%)	Humid (%)
1	84	14	2
2	84	14	2
3	84	14	2
4	84	14	2
5	84	14	2
6	85	14	1
7	86	13	1
8	86	13	1
9	86	13	1
10	87	12	1
11	88	11	1
12	89	11	0
13	90	10	0
14	91	9	0
15	91	9	0
16	92	8	0
17	93	7	0
18	93	7	0
19	94	6	0
20	95	5	0
21	95	5	0
22	96	4	0
23	96	4	0
24	97	3	0
25	97	3	0
26	97	3	0
27	98	2	0
28	98	2	0
29	98	2	0
30	98	2	0
31	98	2	0

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

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

	Rain chance (%)
1	32
2	32
3	32
4	31
5	31
6	31
7	31
8	30
9	30
10	29
11	29
12	28
13	28
14	28
15	27
16	27
17	27
18	27
19	27
20	27
21	27
22	28
23	28
24	28
25	28
26	28
27	29
28	29
29	29
30	29
31	29

	Dry (%)	Comfortable (%)	Humid (%)
1	84	14	2
2	84	14	2
3	84	14	2
4	84	14	2
5	84	14	2
6	85	14	1
7	86	13	1
8	86	13	1
9	86	13	1
10	87	12	1
11	88	11	1
12	89	11	0
13	90	10	0
14	91	9	0
15	91	9	0
16	92	8	0
17	93	7	0
18	93	7	0
19	94	6	0
20	95	5	0
21	95	5	0
22	96	4	0
23	96	4	0
24	97	3	0
25	97	3	0
26	97	3	0
27	98	2	0
28	98	2	0
29	98	2	0
30	98	2	0
31	98	2	0

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

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

	Rain chance (%)
1	32
2	32
3	32
4	31
5	31
6	31
7	31
8	30
9	30
10	29
11	29
12	28
13	28
14	28
15	27
16	27
17	27
18	27
19	27
20	27
21	27
22	28
23	28
24	28
25	28
26	28
27	29
28	29
29	29
30	29
31	29

	Dry (%)	Comfortable (%)	Humid (%)
1	84	14	2
2	84	14	2
3	84	14	2
4	84	14	2
5	84	14	2
6	85	14	1
7	86	13	1
8	86	13	1
9	86	13	1
10	87	12	1
11	88	11	1
12	89	11	0
13	90	10	0
14	91	9	0
15	91	9	0
16	92	8	0
17	93	7	0
18	93	7	0
19	94	6	0
20	95	5	0
21	95	5	0
22	96	4	0
23	96	4	0
24	97	3	0
25	97	3	0
26	97	3	0
27	98	2	0
28	98	2	0
29	98	2	0
30	98	2	0
31	98	2	0