Constitución weather in August

In August, Constitución sees average daytime highs of 13°C and overnight lows near 10°C, with 98 mm of rain across 8.4 wet days and about 10.7 hours of daylight. It is the 11th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 13°C through the month. The sky is clear or mostly clear about 38% of the time in August, and the air most often feels dry.

Daylight stretches from about 10 h 12 min at the start of August to 11 h 12 min by month's end. Set against the rest of the year, August is Constitución's 9th-clearest and 8th-windiest month. For the whole year in context, see Constitución's year-round climate.

Daytime high: 13°; 11th warmest
Overnight low: 10°; 2nd coldest
Rainfall: 98 mm; 8.4 wet days
Daylight: 10 h 42 min; 8:34 AM – 7:13 PM
Cloud cover: 55%; 9th clearest
Wind: 16 km/h; 8th windiest
Solar energy: 3.39 kWh/m²
Travel score: 3.6; out of 10

← July Constitución 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 13°C through the month.

A typical August day in Constitución reaches about 13°C in the afternoon and slips back to 10°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 14°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)	12	12	12	12	12	12	12	12	12	12	12	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13
Avg low (°C)	9	9	9	9	9	9	9	9	9	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10

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

Constitución weather by month

How August compares with the rest of the year at a glance. August is the 11th-warmest and 4th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	18° / 15°	2	0.5	14.1	8.0
Feb	18° / 15°	5	0.7	13.3	8.0
Mar	18° / 14°	9	1.2	12.3	7.5
Apr	16° / 13°	31	3.6	11.1	5.9
May	14° / 11°	122	7.7	10.2	4.4
Jun	13° / 11°	169	11	9.7	3.6
Jul	12° / 10°	121	8.9	9.9	3.5
Aug	13° / 10°	98	8.4	10.7	3.6
Sep	13° / 10°	49	5.1	11.8	4.2
Oct	14° / 11°	28	4.3	12.9	5.0
Nov	16° / 12°	11	1.4	13.9	6.2
Dec	17° / 14°	6	1	14.3	7.2

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 12% of August, with mostly cloudy or overcast conditions the remaining 51%.

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

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

Chance of precipitation in August

Any precipitation

Constitución gets around 98 mm of rain over 8.4 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 26% and peaks near 29% 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 (%)	29	29	29	29	29	29	29	29	29	28	27	27	26	25	25	25	25	25	25	25	25	24	24	24	24	24	24	24	24	24	24

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

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 16 km/h in August.

Across August, daily wind ranges from about 16 km/h on the calmest days to 17 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)	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	16	17
Feels	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze

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

Sunrise & sunset in August

DaylightNight

Daylight runs from about 10 h 12 min at the start of August to 11 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over August. Sunrise moves from 8:50 AM to 8:14 AM, and sunset from 7:02 PM to 7:25 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)	10.2	10.2	10.3	10.3	10.3	10.3	10.4	10.4	10.4	10.5	10.5	10.5	10.6	10.6	10.6	10.7	10.7	10.7	10.8	10.8	10.8	10.9	10.9	10.9	11.0	11.0	11.0	11.1	11.1	11.1	11.2
Sunrise (AM)	8:50	8:49	8:48	8:47	8:46	8:45	8:44	8:43	8:42	8:41	8:40	8:39	8:38	8:36	8:35	8:34	8:33	8:32	8:30	8:29	8:28	8:27	8:25	8:24	8:23	8:21	8:20	8:18	8:17	8:16	8:14
Sunset (PM)	7:02	7:02	7:03	7:04	7:05	7:06	7:06	7:07	7:08	7:09	7:10	7:10	7:11	7:12	7:13	7:13	7:14	7:15	7:16	7:17	7:17	7:18	7:19	7:20	7:21	7:21	7:22	7:23	7:24	7:24	7:25

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	10.2	8:50	7:02
2	10.2	8:49	7:02
3	10.3	8:48	7:03
4	10.3	8:47	7:04
5	10.3	8:46	7:05
6	10.3	8:45	7:06
7	10.4	8:44	7:06
8	10.4	8:43	7:07
9	10.4	8:42	7:08
10	10.5	8:41	7:09
11	10.5	8:40	7:10
12	10.5	8:39	7:10
13	10.6	8:38	7:11
14	10.6	8:36	7:12
15	10.6	8:35	7:13
16	10.7	8:34	7:13
17	10.7	8:33	7:14
18	10.7	8:32	7:15
19	10.8	8:30	7:16
20	10.8	8:29	7:17
21	10.8	8:28	7:17
22	10.9	8:27	7:18
23	10.9	8:25	7:19
24	10.9	8:24	7:20
25	11.0	8:23	7:21
26	11.0	8:21	7:21
27	11.0	8:20	7:22
28	11.1	8:18	7:23
29	11.1	8:17	7:24
30	11.1	8:16	7:24
31	11.2	8:14	7:25

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.39 kWh/m².

For context, solar energy here swings from a low near 2.16 kWh/m² to a high of 8.8 kWh/m² in December across the year — August's 3.39 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)	2.9	2.9	2.9	3.0	3.0	3.0	3.1	3.1	3.2	3.2	3.3	3.3	3.3	3.4	3.4	3.4	3.5	3.5	3.5	3.6	3.6	3.6	3.7	3.7	3.8	3.8	3.9	3.9	4.0	4.0	4.1
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Bright	Bright

	Solar energy (kWh/m²)	Level
1	2.9	Moderate
2	2.9	Moderate
3	2.9	Moderate
4	3.0	Moderate
5	3.0	Moderate
6	3.0	Moderate
7	3.1	Moderate
8	3.1	Moderate
9	3.2	Moderate
10	3.2	Moderate
11	3.3	Moderate
12	3.3	Moderate
13	3.3	Moderate
14	3.4	Moderate
15	3.4	Moderate
16	3.4	Moderate
17	3.5	Moderate
18	3.5	Moderate
19	3.5	Moderate
20	3.6	Moderate
21	3.6	Moderate
22	3.6	Moderate
23	3.7	Moderate
24	3.7	Moderate
25	3.8	Moderate
26	3.8	Moderate
27	3.9	Moderate
28	3.9	Moderate
29	4.0	Moderate
30	4.0	Bright
31	4.1	Bright

Planning a trip in August

Hazard calendar for Constitución

In seasonPeak

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

Constitución's rainy season runs May–August, 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 Constitución?

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

3.6

Sightseeing

10th-best month of the year

0.0

Beach & pool

9th-best month of the year

August is a weaker month for outdoor sightseeing in Constitución.

What to pack for Constitución in August

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

In August, Constitución sees daytime highs around 13°C and nights near 10°C. Worth packing: a warm layer and rain gear. About 8 days see rain.

a warm layerrain gear

Sea temperature near Constitución in August

The nearest coast averages about 12°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 20 km away) is warmest in February at about 15°C and coldest in August near 12°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	15	15	15	14	14	13	13	12	12	13	13	14
Comfort	Bracing	Cool	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing

	Sea temperature (°C)	Comfort
Jan	15	Bracing
Feb	15	Cool
Mar	15	Bracing
Apr	14	Bracing
May	14	Bracing
Jun	13	Bracing
Jul	13	Bracing
Aug	12	Bracing
Sep	12	Bracing
Oct	13	Bracing
Nov	13	Bracing
Dec	14	Bracing

UV index in Constitución 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 Constitución peaks around January 16 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 15 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	13	11	9	5	3	2	3	4	6	9	11	12
Level	Extreme	Extreme	Very high	High	Moderate	Moderate	Moderate	Moderate	High	Very high	Extreme	Extreme

	UV index (midday)	Level
Jan	13	Extreme
Feb	11	Extreme
Mar	9	Very high
Apr	5	High
May	3	Moderate
Jun	2	Moderate
Jul	3	Moderate
Aug	4	Moderate
Sep	6	High
Oct	9	Very high
Nov	11	Extreme
Dec	12	Extreme

Location & terrain

Where is Constitución?

Constitución sits at 35.3°S, 72.4°W, 19 m above sea level, in Chile. The nearest listed city is San Javier, 68 km away.

Topography around Constitución

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

Within 3 km, the terrain around Constitución has significant variations in elevation — a maximum elevation change of 265 m around an average of 60 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 577 m; within 80 km, large variations in elevation — a maximum elevation change of 891 m.

The land around Constitución is covered by trees (35%) and water (34%) within 3 km, water (42%), trees (33%) and grassland (21%) within 16 km, and water (34%), trees (30%) and grassland (27%) within 80 km.

3 km

265 m

trees 35%

16 km

577 m

water 42%

80 km

891 m

water 34%

treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland

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

August weather nearby: San Javier 68 km · Talca 70 km · Cauquenes 71 km · San Clemente 87 km · Linares 93 km · Longaví 96 km · Colbún 100 km · Sagrada Familia 101 km

Chile travel facts

Travel advisory: Level 2; Exercise Increased Caution
Power plugs: Type C / F / L; 220 V · 50 Hz
Prices: ≈ 48% of US; price level, 2025
GDP per capita: $17,995; 2025
Happiness: 6.3 / 10; World Happiness, 2025
Safe drinking water: 98%; of population, 2024
Homicide rate: 6.3; per 100k, 2023
Road deaths: 14.9; per 100k/yr, 2019
Income group: High; World Bank
English: Moderate; EF EPI 517
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 Constitución (-35.3332°, -72.4116°, elevation 19 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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	12	9
2	12	9
3	12	9
4	12	9
5	12	9
6	12	9
7	12	9
8	12	9
9	12	9
10	12	10
11	12	10
12	13	10
13	13	10
14	13	10
15	13	10
16	13	10
17	13	10
18	13	10
19	13	10
20	13	10
21	13	10
22	13	10
23	13	10
24	13	10
25	13	10
26	13	10
27	13	10
28	13	10
29	13	10
30	13	10
31	13	10

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

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

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

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

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

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

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

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

	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