Lethbridge weather in August

In August, Lethbridge sees average daytime highs of 25°C and overnight lows near 11°C, with 35 mm of precipitation across 5.8 wet days and about 14.2 hours of daylight. It is the 2nd-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 26°C in the first days to 24°C by the end. The sky is clear or mostly clear about 50% of the time in August, and the air most often feels dry.

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

Daytime high: 25°; 2nd warmest
Overnight low: 11°; 11th coldest
Precipitation: 35 mm; 5.8 wet days
Daylight: 14 h 18 min; 5:28 AM – 7:43 PM
Cloud cover: 44%; 2nd clearest
Wind: 10 km/h; 12th windiest
Solar energy: 5.92 kWh/m²
Travel score: 7.7; out of 10

Lethbridge is city in Alberta, Canada.

Air quality: Excellent; PM2.5 5 µg/m³ · 2019
Density: 843/km²; people per km²
Founded: 1874

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

← July Lethbridge 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 26°C in the first days to 24°C by the end.

A typical August day in Lethbridge reaches about 25°C in the afternoon and slips back to 11°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 32°C. Set against its neighbours, August runs on par with July and about 6°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)	27	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	25	25	25	25	25	25	25	25	25	24	24	24	24	24
Avg low (°C)	12	12	12	12	12	12	12	12	12	12	12	12	11	11	11	11	11	11	11	11	11	11	11	10	10	10	10	10	10	10	10

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

How August really feels in Lethbridge

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.

Lethbridge weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 5th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	-1° / -10°	14	4.4	4.9	8.4	0.0
Feb	1° / -9°	13	3.9	4.5	9.8	0.0
Mar	6° / -5°	22	6	5.4	11.5	0.6
Apr	12° / 0°	40	7.9	3.4	13.4	3.3
May	18° / 5°	59	9.1	1	15.1	5.7
Jun	21° / 10°	92	11	0	16	6.3
Jul	26° / 12°	35	6.8	0	15.7	7.5
Aug	25° / 11°	35	5.8	0.1	14.2	7.7
Sep	20° / 7°	37	5.8	0.4	12.4	7.0
Oct	12° / 2°	28	5.8	2.2	10.5	3.8
Nov	5° / -4°	22	5.3	4.8	8.8	0.3
Dec	-0° / -9°	16	4.4	4.7	8	0.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 50% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 20% of August, with mostly cloudy or overcast conditions the remaining 31%. Skies tend to cloud over as the month goes on.

	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 (%)	75	75	74	73	72	72	72	71	70	70	70	70	70	70	69	69	69	69	69	68	68	68	67	67	67	66	66	65	64	64	63
Cloudier (%)	25	25	26	27	28	28	28	29	30	30	30	30	30	30	31	31	31	31	31	32	32	32	33	33	33	34	34	35	36	36	37

	Clearer (%)	Cloudier (%)
1	75	25
2	75	25
3	74	26
4	73	27
5	72	28
6	72	28
7	72	28
8	71	29
9	70	30
10	70	30
11	70	30
12	70	30
13	70	30
14	70	30
15	69	31
16	69	31
17	69	31
18	69	31
19	69	31
20	68	32
21	68	32
22	68	32
23	67	33
24	67	33
25	67	33
26	66	34
27	66	34
28	65	35
29	64	36
30	64	36
31	63	37

Chance of precipitation in August

Any precipitation

Lethbridge gets around 35 mm of rain and snow over 5.8 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 18% and peaks near 21% on the wettest days, and about 0 day brings snow.

	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 (%)	20	20	20	21	21	21	21	21	21	20	20	20	19	19	19	18	18	18	17	17	17	16	16	16	16	16	16	16	16	16	16

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

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 94% 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 (%)	88	88	88	89	89	89	90	91	91	92	92	93	94	94	95	95	96	96	97	97	97	98	98	98	99	99	99	99	99	99	99
Comfortable (%)	12	12	12	11	11	11	10	9	9	8	8	7	6	6	5	5	4	4	3	3	3	2	2	2	1	1	1	1	1	1	1

	Dry (%)	Comfortable (%)
1	88	12
2	88	12
3	88	12
4	89	11
5	89	11
6	89	11
7	90	10
8	91	9
9	91	9
10	92	8
11	92	8
12	93	7
13	94	6
14	94	6
15	95	5
16	95	5
17	96	4
18	96	4
19	97	3
20	97	3
21	97	3
22	98	2
23	98	2
24	98	2
25	99	1
26	99	1
27	99	1
28	99	1
29	99	1
30	99	1
31	99	1

Wind in August

Winds average 10 km/h in August, the calmest month.

Across August, daily wind ranges from about 10 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)	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	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	10	calm
2	10	calm
3	10	calm
4	10	calm
5	10	calm
6	10	calm
7	10	calm
8	10	calm
9	10	calm
10	10	calm
11	10	calm
12	10	calm
13	10	calm
14	10	calm
15	10	calm
16	10	calm
17	10	calm
18	10	calm
19	10	calm
20	10	calm
21	10	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 hours 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 96 minutes over August. Sunrise moves from 5:06 AM to 5:50 AM, and sunset from 8:09 PM to 7:12 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)	15.0	15.0	14.9	14.9	14.8	14.8	14.7	14.7	14.6	14.6	14.5	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	13.7	13.6	13.5	13.5	13.4	13.4
Sunrise (AM)	5:06	5:07	5:09	5:10	5:12	5:13	5:14	5:16	5:17	5:19	5:20	5:22	5:23	5:25	5:26	5:28	5:29	5:31	5:32	5:34	5:35	5:37	5:38	5:40	5:41	5:43	5:44	5:46	5:47	5:49	5:50
Sunset (PM)	8:09	8:07	8:06	8:04	8:02	8:01	7:59	7:58	7:56	7:54	7:52	7:50	7:49	7:47	7:45	7:43	7:41	7:39	7:37	7:35	7:33	7:31	7:29	7:27	7:25	7:23	7:21	7:19	7:17	7:14	7:12

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	15.0	5:06	8:09
2	15.0	5:07	8:07
3	14.9	5:09	8:06
4	14.9	5:10	8:04
5	14.8	5:12	8:02
6	14.8	5:13	8:01
7	14.7	5:14	7:59
8	14.7	5:16	7:58
9	14.6	5:17	7:56
10	14.6	5:19	7:54
11	14.5	5:20	7:52
12	14.5	5:22	7:50
13	14.4	5:23	7:49
14	14.4	5:25	7:47
15	14.3	5:26	7:45
16	14.3	5:28	7:43
17	14.2	5:29	7:41
18	14.1	5:31	7:39
19	14.1	5:32	7:37
20	14.0	5:34	7:35
21	14.0	5:35	7:33
22	13.9	5:37	7:31
23	13.8	5:38	7:29
24	13.8	5:40	7:27
25	13.7	5:41	7:25
26	13.7	5:43	7:23
27	13.6	5:44	7:21
28	13.5	5:46	7:19
29	13.5	5:47	7:17
30	13.4	5:49	7:14
31	13.4	5:50	7:12

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.92 kWh/m².

For context, solar energy here swings from a low near 1.16 kWh/m² to a high of 7 kWh/m² in July across the year — August's 5.92 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)	6.6	6.5	6.5	6.4	6.4	6.3	6.3	6.2	6.2	6.2	6.1	6.1	6.0	6.0	6.0	5.9	5.9	5.9	5.8	5.8	5.8	5.7	5.7	5.6	5.6	5.5	5.5	5.4	5.4	5.3	5.2
Level	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	6.6	Intense
2	6.5	Intense
3	6.5	Intense
4	6.4	Intense
5	6.4	Intense
6	6.3	Intense
7	6.3	Intense
8	6.2	Intense
9	6.2	Intense
10	6.2	Intense
11	6.1	Intense
12	6.1	Intense
13	6.0	Intense
14	6.0	Intense
15	6.0	Bright
16	5.9	Bright
17	5.9	Bright
18	5.9	Bright
19	5.8	Bright
20	5.8	Bright
21	5.8	Bright
22	5.7	Bright
23	5.7	Bright
24	5.6	Bright
25	5.6	Bright
26	5.5	Bright
27	5.5	Bright
28	5.4	Bright
29	5.4	Bright
30	5.3	Bright
31	5.2	Bright

Planning a trip in August

Is August a good time to visit Lethbridge?

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

7.7

Sightseeing

1st-best month of the year

7.1

Beach & pool

1st-best month of the year

August is one of the better times to visit Lethbridge for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Lethbridge in August

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

In August, Lethbridge sees daytime highs around 25°C and nights near 11°C. Worth packing: light clothes and sun protection. About 6 days see rain.

light clothessun protection

UV index in Lethbridge 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 Lethbridge peaks around July 15 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 8 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	1	2	3	5	6	6	8	5	4	3	1	1
Level	Low	Low	Moderate	Moderate	High	High	Very high	Moderate	Moderate	Moderate	Low	Low

	UV index (midday)	Level
Jan	1	Low
Feb	2	Low
Mar	3	Moderate
Apr	5	Moderate
May	6	High
Jun	6	High
Jul	8	Very high
Aug	5	Moderate
Sep	4	Moderate
Oct	3	Moderate
Nov	1	Low
Dec	1	Low

Location & terrain

Where is Lethbridge?

Lethbridge sits at 49.7°N, 112.8°W, 907 m above sea level, in Canada. The nearest listed city is Okotoks, 141 km away.

Topography around Lethbridge

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

Within 3 km, the terrain around Lethbridge has only modest variations in elevation — a maximum elevation change of 106 m around an average of 904 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 178 m; within 80 km, large variations in elevation — a maximum elevation change of 1,058 m.

The land around Lethbridge is covered by artificial surfaces (54%) and grassland (29%) within 3 km, cropland (55%) and grassland (34%) within 16 km, and cropland (58%) and grassland (39%) within 80 km.

3 km

106 m

artificial surfaces 54%

16 km

178 m

cropland 55%

80 km

1,058 m

cropland 58%

treesgrasslandcroplandartificial surfacesbare terrainwater

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

August weather nearby: Okotoks 141 km · Auburn Bay 155 km · Cranston 156 km · McKenzie Towne 158 km · Medicine Hat 158 km · Evergreen 164 km · Chestermere 164 km · Beltline 173 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 Lethbridge (49.7°, -112.8186°, elevation 907 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	27	12
2	26	12
3	26	12
4	26	12
5	26	12
6	26	12
7	26	12
8	26	12
9	26	12
10	26	12
11	26	12
12	26	12
13	26	11
14	26	11
15	26	11
16	26	11
17	26	11
18	25	11
19	25	11
20	25	11
21	25	11
22	25	11
23	25	11
24	25	10
25	25	10
26	25	10
27	24	10
28	24	10
29	24	10
30	24	10
31	24	10

	Clearer (%)	Cloudier (%)
1	75	25
2	75	25
3	74	26
4	73	27
5	72	28
6	72	28
7	72	28
8	71	29
9	70	30
10	70	30
11	70	30
12	70	30
13	70	30
14	70	30
15	69	31
16	69	31
17	69	31
18	69	31
19	69	31
20	68	32
21	68	32
22	68	32
23	67	33
24	67	33
25	67	33
26	66	34
27	66	34
28	65	35
29	64	36
30	64	36
31	63	37

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

	Dry (%)	Comfortable (%)
1	88	12
2	88	12
3	88	12
4	89	11
5	89	11
6	89	11
7	90	10
8	91	9
9	91	9
10	92	8
11	92	8
12	93	7
13	94	6
14	94	6
15	95	5
16	95	5
17	96	4
18	96	4
19	97	3
20	97	3
21	97	3
22	98	2
23	98	2
24	98	2
25	99	1
26	99	1
27	99	1
28	99	1
29	99	1
30	99	1
31	99	1

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

	Clearer (%)	Cloudier (%)
1	75	25
2	75	25
3	74	26
4	73	27
5	72	28
6	72	28
7	72	28
8	71	29
9	70	30
10	70	30
11	70	30
12	70	30
13	70	30
14	70	30
15	69	31
16	69	31
17	69	31
18	69	31
19	69	31
20	68	32
21	68	32
22	68	32
23	67	33
24	67	33
25	67	33
26	66	34
27	66	34
28	65	35
29	64	36
30	64	36
31	63	37

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

	Dry (%)	Comfortable (%)
1	88	12
2	88	12
3	88	12
4	89	11
5	89	11
6	89	11
7	90	10
8	91	9
9	91	9
10	92	8
11	92	8
12	93	7
13	94	6
14	94	6
15	95	5
16	95	5
17	96	4
18	96	4
19	97	3
20	97	3
21	97	3
22	98	2
23	98	2
24	98	2
25	99	1
26	99	1
27	99	1
28	99	1
29	99	1
30	99	1
31	99	1

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

	Clearer (%)	Cloudier (%)
1	75	25
2	75	25
3	74	26
4	73	27
5	72	28
6	72	28
7	72	28
8	71	29
9	70	30
10	70	30
11	70	30
12	70	30
13	70	30
14	70	30
15	69	31
16	69	31
17	69	31
18	69	31
19	69	31
20	68	32
21	68	32
22	68	32
23	67	33
24	67	33
25	67	33
26	66	34
27	66	34
28	65	35
29	64	36
30	64	36
31	63	37

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

	Dry (%)	Comfortable (%)
1	88	12
2	88	12
3	88	12
4	89	11
5	89	11
6	89	11
7	90	10
8	91	9
9	91	9
10	92	8
11	92	8
12	93	7
13	94	6
14	94	6
15	95	5
16	95	5
17	96	4
18	96	4
19	97	3
20	97	3
21	97	3
22	98	2
23	98	2
24	98	2
25	99	1
26	99	1
27	99	1
28	99	1
29	99	1
30	99	1
31	99	1