Chapala weather in August

In August, Chapala sees average daytime highs of 26°C and overnight lows near 17°C, with 157 mm of rain across 23.9 wet days and about 12.7 hours of daylight. It is the 6th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 8% of the time in August, and the air most often feels humid.

Daylight stretches from about 12 h 54 min at the start of August to 12 h 24 min by month's end. Set against the rest of the year, August is Chapala's 10th-clearest and 11th-windiest month. For the whole year in context, see Chapala's year-round climate.

Daytime high: 26°; 6th warmest
Overnight low: 17°; 10th coldest
Rainfall: 157 mm; 23.9 wet days
Daylight: 12 h 42 min; 6:36 AM – 7:18 PM
Cloud cover: 72%; 10th clearest
Wind: 4 km/h; 11th windiest
Solar energy: 5.48 kWh/m²
Travel score: 4.5; out of 10

Chapala is municipal seat of Chapala, State of Jalisco, Mexico.

Density: 3,599/km²; people per km²
Founded: 1200

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

← July Chapala 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

Day-to-day highs hold fairly steady near 26°C through the month.

A typical August day in Chapala reaches about 26°C in the afternoon and slips back to 17°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 28°C. Set against its neighbours, August runs on par with July and on par with 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)	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26	26
Avg low (°C)	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17	17

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

Chapala weather by month

How August compares with the rest of the year at a glance. August is the 6th-warmest and 2nd-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	24° / 10°	17	1.7	10.9	8.6
Feb	26° / 11°	11	1.6	11.3	8.5
Mar	28° / 13°	6	1	11.9	7.9
Apr	30° / 15°	3	0.9	12.5	6.2
May	31° / 16°	16	4.2	12.9	5.3
Jun	29° / 18°	116	18	13.2	4.6
Jul	26° / 17°	173	24.7	13.1	4.4
Aug	26° / 17°	157	23.9	12.7	4.5
Sep	26° / 17°	138	19.8	12.1	5.0
Oct	26° / 15°	45	8.3	11.5	7.0
Nov	25° / 13°	12	2.1	11	8.5
Dec	24° / 11°	6	1	10.8	8.7

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 21% of August, with mostly cloudy or overcast conditions the remaining 70%.

	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 (%)	36	36	37	36	36	36	35	35	34	34	33	32	32	31	31	30	29	29	29	28	27	26	26	25	25	24	24	23	23	22	22
Cloudier (%)	64	64	63	64	64	64	65	65	66	66	67	68	68	69	69	70	71	71	71	72	73	74	74	75	75	76	76	77	77	78	78

	Clearer (%)	Cloudier (%)
1	36	64
2	36	64
3	37	63
4	36	64
5	36	64
6	36	64
7	35	65
8	35	65
9	34	66
10	34	66
11	33	67
12	32	68
13	32	68
14	31	69
15	31	69
16	30	70
17	29	71
18	29	71
19	29	71
20	28	72
21	27	73
22	26	74
23	26	74
24	25	75
25	25	75
26	24	76
27	24	76
28	23	77
29	23	77
30	22	78
31	22	78

Chance of precipitation in August

Any precipitation

Chapala gets around 157 mm of rain over 23.9 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 78% and peaks near 78% 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 (%)	78	78	78	77	77	77	78	78	78	78	78	78	78	78	78	78	78	78	78	78	78	77	77	77	77	77	77	77	77	76	76

	Rain chance (%)
1	78
2	78
3	78
4	77
5	77
6	77
7	78
8	78
9	78
10	78
11	78
12	78
13	78
14	78
15	78
16	78
17	78
18	78
19	78
20	78
21	78
22	77
23	77
24	77
25	77
26	77
27	77
28	77
29	77
30	76
31	76

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the humid band about 85% 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
Comfortable (%)	14	14	14	14	14	14	14	14	14	14	14	15	15	15	15	15	16	16	16	15	15	15	15	14	14	14	14	14	14	14	14
Humid (%)	86	86	86	86	86	86	86	86	86	86	86	85	85	85	85	85	84	84	84	85	85	85	85	86	86	86	86	86	86	86	86

	Comfortable (%)	Humid (%)
1	14	86
2	14	86
3	14	86
4	14	86
5	14	86
6	14	86
7	14	86
8	14	86
9	14	86
10	14	86
11	14	86
12	15	85
13	15	85
14	15	85
15	15	85
16	15	85
17	16	84
18	16	84
19	16	84
20	15	85
21	15	85
22	15	85
23	15	85
24	14	86
25	14	86
26	14	86
27	14	86
28	14	86
29	14	86
30	14	86
31	14	86

Wind in August

Winds average 4 km/h in August.

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

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 54 min at the start of August to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over August. Sunrise moves from 6:31 AM to 6:40 AM, and sunset from 7:27 PM to 7:06 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)	12.9	12.9	12.9	12.9	12.9	12.9	12.8	12.8	12.8	12.8	12.8	12.8	12.7	12.7	12.7	12.7	12.7	12.7	12.6	12.6	12.6	12.6	12.6	12.6	12.5	12.5	12.5	12.5	12.5	12.4	12.4
Sunrise (AM)	6:31	6:31	6:32	6:32	6:32	6:33	6:33	6:33	6:34	6:34	6:34	6:35	6:35	6:35	6:36	6:36	6:36	6:37	6:37	6:37	6:37	6:38	6:38	6:38	6:38	6:39	6:39	6:39	6:40	6:40	6:40
Sunset (PM)	7:27	7:26	7:26	7:25	7:25	7:24	7:24	7:23	7:22	7:22	7:21	7:21	7:20	7:19	7:19	7:18	7:17	7:16	7:16	7:15	7:14	7:13	7:12	7:12	7:11	7:10	7:09	7:08	7:07	7:06	7:06

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.9	6:31	7:27
2	12.9	6:31	7:26
3	12.9	6:32	7:26
4	12.9	6:32	7:25
5	12.9	6:32	7:25
6	12.9	6:33	7:24
7	12.8	6:33	7:24
8	12.8	6:33	7:23
9	12.8	6:34	7:22
10	12.8	6:34	7:22
11	12.8	6:34	7:21
12	12.8	6:35	7:21
13	12.7	6:35	7:20
14	12.7	6:35	7:19
15	12.7	6:36	7:19
16	12.7	6:36	7:18
17	12.7	6:36	7:17
18	12.7	6:37	7:16
19	12.6	6:37	7:16
20	12.6	6:37	7:15
21	12.6	6:37	7:14
22	12.6	6:38	7:13
23	12.6	6:38	7:12
24	12.6	6:38	7:12
25	12.5	6:38	7:11
26	12.5	6:39	7:10
27	12.5	6:39	7:09
28	12.5	6:39	7:08
29	12.5	6:40	7:07
30	12.4	6:40	7:06
31	12.4	6:40	7:06

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.48 kWh/m².

For context, solar energy here swings from a low near 4.74 kWh/m² to a high of 7.5 kWh/m² in April across the year — August's 5.48 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)	5.7	5.7	5.7	5.7	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.5	5.5	5.5	5.5	5.5	5.5	5.4	5.4	5.4	5.4	5.3	5.3	5.3	5.3	5.3	5.2	5.2	5.2	5.2
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	5.7	Bright
2	5.7	Bright
3	5.7	Bright
4	5.7	Bright
5	5.6	Bright
6	5.6	Bright
7	5.6	Bright
8	5.6	Bright
9	5.6	Bright
10	5.6	Bright
11	5.6	Bright
12	5.6	Bright
13	5.5	Bright
14	5.5	Bright
15	5.5	Bright
16	5.5	Bright
17	5.5	Bright
18	5.5	Bright
19	5.4	Bright
20	5.4	Bright
21	5.4	Bright
22	5.4	Bright
23	5.3	Bright
24	5.3	Bright
25	5.3	Bright
26	5.3	Bright
27	5.3	Bright
28	5.2	Bright
29	5.2	Bright
30	5.2	Bright
31	5.2	Bright

Planning a trip in August

Hazard calendar for Chapala

In seasonPeak

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

Chapala sits in the eastern Pacific hurricane zone; the season peaks August–September.

Chapala's rainy season runs June–September, when most of the year's rain falls.

Pacific hurricane

Rainy season

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is August a good time to visit Chapala?

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

4.5

Sightseeing

11th-best month of the year

4.3

Beach & pool

11th-best month of the year

August is a reasonable time to visit Chapala for sightseeing.

What to pack for Chapala in August

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

In August, Chapala sees daytime highs around 26°C and nights near 17°C. Pack rain gear. Worth having: light clothes and sun protection. About 24 days see rain.

rain gearlight clothessun protection

UV index in Chapala in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Chapala peaks around May 13 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 7 (very high).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	8	11	13	13	14	13	12	13	12	10	8	7
Level	Very high	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	Very high	High

	UV index (midday)	Level
Jan	8	Very high
Feb	11	Extreme
Mar	13	Extreme
Apr	13	Extreme
May	14	Extreme
Jun	13	Extreme
Jul	12	Extreme
Aug	13	Extreme
Sep	12	Extreme
Oct	10	Very high
Nov	8	Very high
Dec	7	High

Air quality in Chapala 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 Chapala is worst in May — around 44 µg/m³ PM2.5 (poor), about 3.2× the cleanest month (July, 14 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)	20	18	20	33	44	17	14	15	17	17	18	21
Level	Moderate	Moderate	Moderate	Moderate	Poor	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	20	Moderate
Feb	18	Moderate
Mar	20	Moderate
Apr	33	Moderate
May	44	Poor
Jun	17	Moderate
Jul	14	Moderate
Aug	15	Moderate
Sep	17	Moderate
Oct	17	Moderate
Nov	18	Moderate
Dec	21	Moderate

Location & terrain

Where is Chapala?

Chapala sits at 20.3°N, 103.2°W, 1,561 m above sea level, in Mexico. The nearest listed city is San José del Castillo, 25 km away.

Topography around Chapala

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

Within 3 km, the terrain around Chapala has only modest variations in elevation — a maximum elevation change of 211 m around an average of 1,544 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 957 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,137 m.

The land around Chapala is covered by water (52%) within 3 km, water (50%) and trees (20%) within 16 km, and trees (37%) and cropland (25%) within 80 km.

3 km

211 m

water 52%

16 km

957 m

water 50%

80 km

2,137 m

trees 37%

treesshrubsgrasslandcroplandartificial surfaceswater

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

August weather nearby: San José del Castillo 25 km · Jocotepec 25 km · San José del Quince 29 km · Hacienda Santa Fe 32 km · Las Pintitas 32 km · Lomas del Sur 33 km · Tlajomulco de Zúñiga 34 km · Las Pintas de Arriba 34 km

Mexico travel facts

Travel advisory: Level 2; Exercise Increased Caution
Power plugs: Type A / B; 120 / 127 V · 60 Hz
Prices: ≈ 54% of US; price level, 2025
GDP per capita: $13,889; 2025
Happiness: 7.0 / 10; World Happiness, 2025
Safe drinking water: 43%; of population, 2024
Homicide rate: 24.9; per 100k, 2023
Road deaths: 12.8; per 100k/yr, 2019
Income group: Upper middle; World Bank
English: Very low; EF EPI 440
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 Chapala (20.2925°, -103.1896°, elevation 1,561 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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	26	17
2	26	17
3	26	17
4	26	17
5	26	17
6	26	17
7	26	17
8	26	17
9	26	17
10	26	17
11	26	17
12	26	17
13	26	17
14	26	17
15	26	17
16	26	17
17	26	17
18	26	17
19	26	17
20	26	17
21	26	17
22	26	17
23	26	17
24	26	17
25	26	17
26	26	17
27	26	17
28	26	17
29	26	17
30	26	17
31	26	17

	Clearer (%)	Cloudier (%)
1	36	64
2	36	64
3	37	63
4	36	64
5	36	64
6	36	64
7	35	65
8	35	65
9	34	66
10	34	66
11	33	67
12	32	68
13	32	68
14	31	69
15	31	69
16	30	70
17	29	71
18	29	71
19	29	71
20	28	72
21	27	73
22	26	74
23	26	74
24	25	75
25	25	75
26	24	76
27	24	76
28	23	77
29	23	77
30	22	78
31	22	78

	Rain chance (%)
1	78
2	78
3	78
4	77
5	77
6	77
7	78
8	78
9	78
10	78
11	78
12	78
13	78
14	78
15	78
16	78
17	78
18	78
19	78
20	78
21	78
22	77
23	77
24	77
25	77
26	77
27	77
28	77
29	77
30	76
31	76

	Comfortable (%)	Humid (%)
1	14	86
2	14	86
3	14	86
4	14	86
5	14	86
6	14	86
7	14	86
8	14	86
9	14	86
10	14	86
11	14	86
12	15	85
13	15	85
14	15	85
15	15	85
16	15	85
17	16	84
18	16	84
19	16	84
20	15	85
21	15	85
22	15	85
23	15	85
24	14	86
25	14	86
26	14	86
27	14	86
28	14	86
29	14	86
30	14	86
31	14	86

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

	Clearer (%)	Cloudier (%)
1	36	64
2	36	64
3	37	63
4	36	64
5	36	64
6	36	64
7	35	65
8	35	65
9	34	66
10	34	66
11	33	67
12	32	68
13	32	68
14	31	69
15	31	69
16	30	70
17	29	71
18	29	71
19	29	71
20	28	72
21	27	73
22	26	74
23	26	74
24	25	75
25	25	75
26	24	76
27	24	76
28	23	77
29	23	77
30	22	78
31	22	78

	Rain chance (%)
1	78
2	78
3	78
4	77
5	77
6	77
7	78
8	78
9	78
10	78
11	78
12	78
13	78
14	78
15	78
16	78
17	78
18	78
19	78
20	78
21	78
22	77
23	77
24	77
25	77
26	77
27	77
28	77
29	77
30	76
31	76

	Comfortable (%)	Humid (%)
1	14	86
2	14	86
3	14	86
4	14	86
5	14	86
6	14	86
7	14	86
8	14	86
9	14	86
10	14	86
11	14	86
12	15	85
13	15	85
14	15	85
15	15	85
16	15	85
17	16	84
18	16	84
19	16	84
20	15	85
21	15	85
22	15	85
23	15	85
24	14	86
25	14	86
26	14	86
27	14	86
28	14	86
29	14	86
30	14	86
31	14	86

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

	Clearer (%)	Cloudier (%)
1	36	64
2	36	64
3	37	63
4	36	64
5	36	64
6	36	64
7	35	65
8	35	65
9	34	66
10	34	66
11	33	67
12	32	68
13	32	68
14	31	69
15	31	69
16	30	70
17	29	71
18	29	71
19	29	71
20	28	72
21	27	73
22	26	74
23	26	74
24	25	75
25	25	75
26	24	76
27	24	76
28	23	77
29	23	77
30	22	78
31	22	78

	Rain chance (%)
1	78
2	78
3	78
4	77
5	77
6	77
7	78
8	78
9	78
10	78
11	78
12	78
13	78
14	78
15	78
16	78
17	78
18	78
19	78
20	78
21	78
22	77
23	77
24	77
25	77
26	77
27	77
28	77
29	77
30	76
31	76

	Comfortable (%)	Humid (%)
1	14	86
2	14	86
3	14	86
4	14	86
5	14	86
6	14	86
7	14	86
8	14	86
9	14	86
10	14	86
11	14	86
12	15	85
13	15	85
14	15	85
15	15	85
16	15	85
17	16	84
18	16	84
19	16	84
20	15	85
21	15	85
22	15	85
23	15	85
24	14	86
25	14	86
26	14	86
27	14	86
28	14	86
29	14	86
30	14	86
31	14	86