Osorno weather in April

In April, Osorno sees average daytime highs of 16°C and overnight lows near 7°C, with 114 mm of rain across 11.4 wet days and about 11 hours of daylight. It is the 6th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 17°C in the first days to 14°C by the end. The sky is clear or mostly clear about 21% 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 18 min by month's end. Set against the rest of the year, April is Osorno's 5th-clearest and 12th-windiest month. For the whole year in context, see Osorno's year-round climate.

Daytime high
16°
6th warmest
Overnight low
7th coldest
Rainfall
114 mm
11.4 wet days
Daylight
10 h 54 min
8:25 AM – 7:20 PM
Cloud cover
65%
5th clearest
Wind
9 km/h
12th windiest
Solar energy
2.86 kWh/m²
Travel score
4.6
out of 10

Osorno is city in Chile.

Air quality
High
PM2.5 33.8 µg/m³ · 2019
Density
143/km²
people per km²
Founded
1558

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 17°C in the first days to 14°C by the end.

A typical April day in Osorno reaches about 16°C in the afternoon and slips back to 7°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 19°C. Set against its neighbours, April runs about 4°C cooler than March and about 3°C warmer than May.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
1187
2177
3177
4177
5177
6177
7177
8167
9167
10167
11167
12167
13167
14167
15157
16156
17156
18156
19156
20156
21156
22156
23156
24156
25156
26146
27146
28146
29146
30146

Osorno weather by month

How April compares with the rest of the year at a glance. April is the 6th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan21° / 10°396.214.67.3
Feb22° / 10°415.213.67.5
Mar19° / 658.312.36.5
Apr16° / 11411.4114.6
May13° / 19415.79.83.0
Jun10° / 25118.89.21.9
Jul10° / 23218.29.41.8
Aug11° / 21318.310.42.2
Sep13° / 12914.311.73.1
Oct15° / 11413.713.14.0
Nov17° / 7710.514.35.1
Dec19° / 678.214.86.4

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 19% of April, with mostly cloudy or overcast conditions the remaining 60%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14753
24654
34555
44456
54555
64456
74456
84357
94357
104258
114159
124060
134159
144060
154060
163961
173961
183961
193862
203862
213763
223862
233763
243664
253664
263664
273565
283466
293466
303466

Chance of precipitation in April

Any precipitation

Osorno gets around 114 mm of rain over 11.4 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 38% and peaks near 43% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
130
231
332
433
533
634
735
835
936
1037
1137
1238
1338
1438
1539
1639
1739
1839
1939
2040
2140
2240
2341
2441
2542
2642
2742
2842
2942
3043

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 97% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1973
2973
3973
4973
5982
6982
7982
8982
9982
10982
11982
12973
13973
14973
15973
16973
17973
18973
19973
20973
21973
22973
23973
24973
25973
26973
27973
28973
29973
30973

Wind in April

Winds average 9 km/h in April, the calmest month.

Across April, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 11 h 36 min at the start of April to 10 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 78 minutes over April. Sunrise moves from 8:09 AM to 8:40 AM, and sunset from 7:45 PM to 7:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.68:097:45
211.68:107:43
311.58:117:42
411.58:127:40
511.48:137:38
611.48:157:37
711.38:167:35
811.38:177:33
911.28:187:32
1011.28:197:30
1111.18:207:28
1211.18:217:27
1311.18:227:25
1411.08:237:24
1511.08:247:22
1610.98:257:20
1710.98:267:19
1810.88:277:17
1910.88:287:16
2010.78:297:14
2110.78:307:13
2210.78:317:11
2310.68:327:10
2410.68:347:08
2510.58:357:07
2610.58:367:05
2710.58:377:04
2810.48:387:03
2910.48:397:01
3010.38:407:00

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 2.86 kWh/m².

For context, solar energy here swings from a low near 1.28 kWh/m² to a high of 7.12 kWh/m² in January across the year — April's 2.86 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.6Moderate
23.6Moderate
33.5Moderate
43.5Moderate
53.4Moderate
63.3Moderate
73.3Moderate
83.2Moderate
93.2Moderate
103.1Moderate
113.0Moderate
123.0Moderate
132.9Moderate
142.9Moderate
152.8Moderate
162.8Moderate
172.8Moderate
182.7Moderate
192.7Moderate
202.6Moderate
212.6Moderate
222.5Moderate
232.5Moderate
242.5Moderate
252.4Moderate
262.4Moderate
272.4Moderate
282.3Moderate
292.3Moderate
302.2Moderate
Planning a trip in April

Hazard calendar for Osorno

In seasonPeak

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

Osorno's rainy season runs April–October, 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 Osorno?

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

4.6
Sightseeing
6th-best month of the year
0.5
Beach & pool
6th-best month of the year

April is a reasonable time to visit Osorno for sightseeing.

What to pack for Osorno in April

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

In April, Osorno sees daytime highs around 16°C and nights near 7°C. Worth packing: a warm layer and rain gear. About 11 days see rain.

a warm layerrain gear

Sea temperature near Osorno 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 63 km away) is warmest in January at about 15°C and coldest in August near 11°C.

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

10°12°14°16°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan15Bracing
Feb14Bracing
Mar14Bracing
Apr14Bracing
May13Bracing
Jun12Bracing
Jul11Bracing
Aug11Bracing
Sep11Bracing
Oct12Bracing
Nov13Bracing
Dec14Bracing

UV index in Osorno 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 Osorno peaks around December 20 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateLowModerateVery highExtremeDec 20UV 12Jun 18UV 2
UV index (midday)Level
Jan11Extreme
Feb11Extreme
Mar7Very high
Apr5Moderate
May2Moderate
Jun2Low
Jul2Low
Aug3Moderate
Sep4Moderate
Oct7High
Nov9Very high
Dec12Extreme

Air quality in Osorno in April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.

Air quality in Osorno is worst in March — around 43 µg/m³ PM2.5 (poor), about 1.9× the cleanest month (February, 23 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Osorno's WHO annual average of 33.8 µg/m³.

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModeratePoorModerateMar 2343 µg/m³Feb 823 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb23Moderate
Mar43Poor
Apr42Poor
May36Poor
Jun34Moderate
Jul35Moderate
Aug40Poor
Sep39Poor
Oct34Moderate
Nov31Moderate
Dec26Moderate
Location & terrain

Where is Osorno?

Osorno sits at 40.6°S, 73.1°W, 37 m above sea level, in Chile. The nearest listed city is Río Bueno, 31 km away.

Topography around Osorno

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

Within 3 km, the terrain around Osorno has only modest variations in elevation — a maximum elevation change of 68 m around an average of 47 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 284 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,650 m.

The land around Osorno is covered by artificial surfaces (40%), trees (23%) and grassland (23%) within 3 km, grassland (45%), cropland (26%) and trees (25%) within 16 km, and trees (49%) and grassland (23%) within 80 km.

3 km
68 m
16 km
284 m
80 km
2,650 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Río Bueno 31 km · La Unión 32 km · Purranque 38 km · Paillaco 60 km · Frutillar 61 km · Llanquihue 77 km · Puerto Varas 84 km · Valdivia 85 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
Catholic 57%none 26%Evangelical or Protestant 16%other Christians and traditions related to Christ 1%

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 Osorno (-40.574°, -73.1335°, elevation 37 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. 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).