Arauco weather in April

In April, Arauco sees average daytime highs of 18°C and overnight lows near 8°C, with 72 mm of rain across 6.2 wet days and about 11.1 hours of daylight. It is the 6th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 19°C in the first days to 16°C by the end. The sky is clear or mostly clear about 46% of the time in April, and the air most often feels dry.

Daylight stretches from about 11 h 36 min at the start of April to 10 h 30 min by month's end. Set against the rest of the year, April is Arauco's 6th-clearest and 11th-windiest month. For the whole year in context, see Arauco's year-round climate.

Daytime high: 18°; 6th warmest
Overnight low: 8°; 7th coldest
Rainfall: 72 mm; 6.2 wet days
Daylight: 11 hours; 8:22 AM – 7:25 PM
Cloud cover: 47%; 6th clearest
Wind: 10 km/h; 11th windiest
Solar energy: 3.79 kWh/m²
Travel score: 6.4; out of 10

Arauco is city in Chile.

Density: 3,997/km²; people per km²
Founded: 1552

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

← March Arauco year-round climate May →Best places to visit in April

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 19°C in the first days to 16°C by the end.

A typical April day in Arauco reaches about 18°C in the afternoon and slips back to 8°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 21°C. Set against its neighbours, April runs about 4°C cooler than March and about 3°C warmer than May.

	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
Avg high (°C)	20	20	19	19	19	19	19	19	18	18	18	18	18	18	18	18	17	17	17	17	17	17	17	17	17	17	16	16	16	16
Avg low (°C)	9	9	9	9	9	9	9	9	8	8	8	8	8	8	8	8	8	8	8	8	8	7	7	7	7	7	7	7	7	7

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

Arauco weather by month

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

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	23° / 12°	10	1.7	14.3	9.0
Feb	23° / 12°	15	2.2	13.4	8.9
Mar	21° / 10°	25	3.5	12.3	8.1
Apr	18° / 8°	72	6.2	11.1	6.4
May	15° / 7°	178	10.9	10	4.2
Jun	12° / 6°	250	14.8	9.5	2.9
Jul	12° / 5°	196	13.6	9.7	2.9
Aug	13° / 5°	167	12.4	10.6	3.4
Sep	15° / 6°	88	8.1	11.7	4.7
Oct	17° / 7°	61	7.4	13	5.8
Nov	19° / 9°	32	4.3	14	7.3
Dec	22° / 11°	25	3.5	14.5	8.2

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 14% of April, with mostly cloudy or overcast conditions the remaining 40%. 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
Clearer (%)	70	69	68	67	65	64	63	62	62	61	61	60	60	60	60	59	59	59	59	58	58	58	57	57	56	55	54	53	52	51
Cloudier (%)	30	31	32	33	35	36	37	38	38	39	39	40	40	40	40	41	41	41	41	42	42	42	43	43	44	45	46	47	48	49

	Clearer (%)	Cloudier (%)
1	70	30
2	69	31
3	68	32
4	67	33
5	65	35
6	64	36
7	63	37
8	62	38
9	62	38
10	61	39
11	61	39
12	60	40
13	60	40
14	60	40
15	60	40
16	59	41
17	59	41
18	59	41
19	59	41
20	58	42
21	58	42
22	58	42
23	57	43
24	57	43
25	56	44
26	55	45
27	54	46
28	53	47
29	52	48
30	51	49

Chance of precipitation in April

Any precipitation

Arauco gets around 72 mm of rain over 6.2 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 21% and peaks near 25% 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
Rain chance (%)	17	18	18	19	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	21	22	22	23	24	24	25	25

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

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April 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
Dry (%)	90	91	91	92	92	92	93	93	93	93	94	94	94	94	94	94	94	95	95	95	95	95	95	95	95	95	95	95	95	95
Comfortable (%)	10	9	9	8	8	8	7	7	7	7	6	6	6	6	6	6	6	5	5	5	5	5	5	5	5	5	5	5	5	5

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

Wind in April

Winds average 10 km/h in April.

Across April, 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
Wind speed (km/h)	11	11	11	11	11	11	11	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10
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

	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	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	10	calm
23	10	calm
24	10	calm
25	10	calm
26	10	calm
27	10	calm
28	10	calm
29	10	calm
30	10	calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 11 h 36 min at the start of April to 10 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over April. Sunrise moves from 8:09 AM to 8:35 AM, and sunset from 7:47 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
Daylight (h)	11.6	11.6	11.6	11.5	11.5	11.4	11.4	11.4	11.3	11.3	11.2	11.2	11.2	11.1	11.1	11.0	11.0	11.0	10.9	10.9	10.9	10.8	10.8	10.7	10.7	10.7	10.6	10.6	10.6	10.5
Sunrise (AM)	8:09	8:10	8:10	8:11	8:12	8:13	8:14	8:15	8:16	8:17	8:18	8:19	8:19	8:20	8:21	8:22	8:23	8:24	8:25	8:26	8:27	8:28	8:29	8:29	8:30	8:31	8:32	8:33	8:34	8:35
Sunset (PM)	7:47	7:46	7:44	7:43	7:41	7:40	7:38	7:37	7:35	7:34	7:32	7:31	7:29	7:28	7:26	7:25	7:23	7:22	7:21	7:19	7:18	7:17	7:15	7:14	7:13	7:11	7:10	7:09	7:08	7:06

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.6	8:09	7:47
2	11.6	8:10	7:46
3	11.6	8:10	7:44
4	11.5	8:11	7:43
5	11.5	8:12	7:41
6	11.4	8:13	7:40
7	11.4	8:14	7:38
8	11.4	8:15	7:37
9	11.3	8:16	7:35
10	11.3	8:17	7:34
11	11.2	8:18	7:32
12	11.2	8:19	7:31
13	11.2	8:19	7:29
14	11.1	8:20	7:28
15	11.1	8:21	7:26
16	11.0	8:22	7:25
17	11.0	8:23	7:23
18	11.0	8:24	7:22
19	10.9	8:25	7:21
20	10.9	8:26	7:19
21	10.9	8:27	7:18
22	10.8	8:28	7:17
23	10.8	8:29	7:15
24	10.7	8:29	7:14
25	10.7	8:30	7:13
26	10.7	8:31	7:11
27	10.6	8:32	7:10
28	10.6	8:33	7:09
29	10.6	8:34	7:08
30	10.5	8:35	7:06

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 3.79 kWh/m².

For context, solar energy here swings from a low near 1.78 kWh/m² to a high of 8.52 kWh/m² in January across the year — April's 3.79 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
Solar energy (kWh/m²)	4.7	4.6	4.5	4.5	4.4	4.3	4.3	4.2	4.1	4.1	4.0	4.0	3.9	3.9	3.8	3.8	3.7	3.7	3.6	3.6	3.5	3.5	3.4	3.4	3.3	3.3	3.2	3.1	3.1	3.0
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	Solar energy (kWh/m²)	Level
1	4.7	Bright
2	4.6	Bright
3	4.5	Bright
4	4.5	Bright
5	4.4	Bright
6	4.3	Bright
7	4.3	Bright
8	4.2	Bright
9	4.1	Bright
10	4.1	Bright
11	4.0	Bright
12	4.0	Moderate
13	3.9	Moderate
14	3.9	Moderate
15	3.8	Moderate
16	3.8	Moderate
17	3.7	Moderate
18	3.7	Moderate
19	3.6	Moderate
20	3.6	Moderate
21	3.5	Moderate
22	3.5	Moderate
23	3.4	Moderate
24	3.4	Moderate
25	3.3	Moderate
26	3.3	Moderate
27	3.2	Moderate
28	3.1	Moderate
29	3.1	Moderate
30	3.0	Moderate

Planning a trip in April

Hazard calendar for Arauco

In seasonPeak

None of Arauco's seasonal hazards are active in April. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Arauco'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 April a good time to visit Arauco?

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

6.4

Sightseeing

6th-best month of the year

2.0

Beach & pool

6th-best month of the year

April is a reasonable time to visit Arauco for sightseeing.

What to pack for Arauco in April

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

In April, Arauco sees daytime highs around 18°C and nights near 8°C. Little to plan around — just the basics. About 6 days see rain.

Sea temperature near Arauco in April

The nearest coast averages about 14°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 14 km away) is warmest in January 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	14	14	13	12	12	12	12	12	13	14
Comfort	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing

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

UV index in Arauco in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April 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 Arauco peaks around January 12 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 16 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)	12	11	9	5	3	2	3	3	5	8	10	12
Level	Extreme	Extreme	Very high	Moderate	Moderate	Low	Moderate	Moderate	Moderate	Very high	Very high	Extreme

	UV index (midday)	Level
Jan	12	Extreme
Feb	11	Extreme
Mar	9	Very high
Apr	5	Moderate
May	3	Moderate
Jun	2	Low
Jul	3	Moderate
Aug	3	Moderate
Sep	5	Moderate
Oct	8	Very high
Nov	10	Very high
Dec	12	Extreme

Location & terrain

Where is Arauco?

Arauco sits at 37.2°S, 73.3°W, 13 m above sea level, in Chile. The nearest listed city is Lota, 22 km away.

Topography around Arauco

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

Within 3 km, the terrain around Arauco has only modest variations in elevation — a maximum elevation change of 107 m around an average of 20 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 656 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,511 m.

The land around Arauco is covered by trees (35%), water (31%) and grassland (20%) within 3 km, trees (45%) and water (37%) within 16 km, and trees (49%) and water (38%) within 80 km.

3 km

107 m

trees 35%

16 km

656 m

trees 45%

80 km

1,511 m

trees 49%

treesgrasslandcroplandartificial surfacesbare terrainwaterwetland

← March Arauco year-round climate May →Best places to visit in April

April weather nearby: Lota 22 km · Curanilahue 26 km · Coronel 28 km · Chiguayante 44 km · Los Álamos 44 km · Hualqui 46 km · San Pedro de la Paz 49 km · Lebu 50 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 Arauco (-37.2463°, -73.3175°, elevation 13 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	20	9
2	20	9
3	19	9
4	19	9
5	19	9
6	19	9
7	19	9
8	19	9
9	18	8
10	18	8
11	18	8
12	18	8
13	18	8
14	18	8
15	18	8
16	18	8
17	17	8
18	17	8
19	17	8
20	17	8
21	17	8
22	17	7
23	17	7
24	17	7
25	17	7
26	17	7
27	16	7
28	16	7
29	16	7
30	16	7

	Clearer (%)	Cloudier (%)
1	70	30
2	69	31
3	68	32
4	67	33
5	65	35
6	64	36
7	63	37
8	62	38
9	62	38
10	61	39
11	61	39
12	60	40
13	60	40
14	60	40
15	60	40
16	59	41
17	59	41
18	59	41
19	59	41
20	58	42
21	58	42
22	58	42
23	57	43
24	57	43
25	56	44
26	55	45
27	54	46
28	53	47
29	52	48
30	51	49

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

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

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

	Clearer (%)	Cloudier (%)
1	70	30
2	69	31
3	68	32
4	67	33
5	65	35
6	64	36
7	63	37
8	62	38
9	62	38
10	61	39
11	61	39
12	60	40
13	60	40
14	60	40
15	60	40
16	59	41
17	59	41
18	59	41
19	59	41
20	58	42
21	58	42
22	58	42
23	57	43
24	57	43
25	56	44
26	55	45
27	54	46
28	53	47
29	52	48
30	51	49

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

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

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

	Clearer (%)	Cloudier (%)
1	70	30
2	69	31
3	68	32
4	67	33
5	65	35
6	64	36
7	63	37
8	62	38
9	62	38
10	61	39
11	61	39
12	60	40
13	60	40
14	60	40
15	60	40
16	59	41
17	59	41
18	59	41
19	59	41
20	58	42
21	58	42
22	58	42
23	57	43
24	57	43
25	56	44
26	55	45
27	54	46
28	53	47
29	52	48
30	51	49

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

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