Concepción weather in May

In May, Concepción sees average daytime highs of 15°C and overnight lows near 8°C, with 135 mm of rain across 10 wet days and about 10.1 hours of daylight. It is the 9th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 16°C in the first days to 14°C by the end. The sky is clear or mostly clear about 29% of the time in May, and the air most often feels dry.

Daylight stretches from about 10 h 30 min at the start of May to 9 h 42 min by month's end. Set against the rest of the year, May is Concepción's 11th-clearest and 11th-windiest month. For the whole year in context, see Concepción's year-round climate.

Daytime high
15°
9th warmest
Overnight low
5th coldest
Rainfall
135 mm
10 wet days
Daylight
10 hours
8:47 AM – 6:50 PM
Cloud cover
63%
11th clearest
Wind
11 km/h
11th windiest
Solar energy
2.46 kWh/m²
Travel score
4.4
out of 10

Concepción is city in Chile.

Air quality
High
PM2.5 25.9 µg/m³ · 2016
Density
5,251/km²
people per km²
Founded
1550

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 16°C in the first days to 14°C by the end.

A typical May day in Concepción reaches about 15°C in the afternoon and slips back to 8°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 17°C. Set against its neighbours, May runs about 3°C cooler than April and about 2°C warmer than June.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1168
2168
3168
4168
5168
6168
7168
8168
9168
10158
11158
12158
13158
14158
15158
16158
17158
18148
19148
20148
21148
22148
23148
24148
25147
26147
27147
28147
29147
30147
31137

Concepción weather by month

How May compares with the rest of the year at a glance. May is the 9th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 13°6114.29.3
Feb24° / 12°111.613.49.1
Mar22° / 11°192.912.38.3
Apr18° / 525.311.16.6
May15° / 1351010.14.4
Jun13° / 18613.69.53.2
Jul12° / 14311.99.73.1
Aug13° / 12211.410.63.7
Sep15° / 627.111.84.9
Oct17° / 446.4136.2
Nov20° / 10°213.3147.6
Dec22° / 11°162.614.58.5

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 12% of May, with mostly cloudy or overcast conditions the remaining 59%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15149
24951
34951
44852
54753
64555
74555
84456
94357
104357
114258
124258
134159
144060
153961
163961
173862
183862
193862
203862
213862
223763
233763
243763
253763
263763
273763
283763
293763
303763
313763

Chance of precipitation in May

Any precipitation

Concepción gets around 135 mm of rain over 10 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 32% and peaks near 42% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
122
223
323
423
524
624
725
825
926
1026
1127
1228
1329
1430
1530
1631
1732
1833
1935
2036
2137
2237
2338
2439
2539
2640
2741
2841
2942
3042
3142

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 94% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1937
2946
3946
4946
5946
6946
7946
8946
9955
10955
11955
12955
13955
14955
15955
16946
17946
18946
19946
20946
21946
22946
23946
24946
25946
26946
27946
28946
29955
30955
31955

Wind in May

Winds average 11 km/h in May.

Across May, daily wind ranges from about 10 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 10 h 30 min at the start of May to 9 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 48 minutes over May. Sunrise moves from 8:34 AM to 8:59 AM, and sunset from 7:05 PM to 6:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.58:347:05
210.58:357:04
310.48:367:02
410.48:377:01
510.48:387:00
610.38:396:59
710.38:396:58
810.38:406:57
910.28:416:56
1010.28:426:55
1110.28:436:54
1210.28:446:53
1310.18:456:52
1410.18:466:51
1510.18:466:50
1610.08:476:50
1710.08:486:49
1810.08:496:48
1910.08:506:47
209.98:516:47
219.98:516:46
229.98:526:45
239.98:536:44
249.88:546:44
259.88:556:43
269.88:556:43
279.88:566:42
289.78:576:42
299.78:586:41
309.78:586:41
319.78:596:40

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 2.46 kWh/m².

For context, solar energy here swings from a low near 1.88 kWh/m² to a high of 8.63 kWh/m² in December across the year — May's 2.46 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.1Moderate
23.0Moderate
33.0Moderate
42.9Moderate
52.9Moderate
62.9Moderate
72.8Moderate
82.8Moderate
92.7Moderate
102.7Moderate
112.6Moderate
122.6Moderate
132.5Moderate
142.5Moderate
152.5Moderate
162.4Moderate
172.4Moderate
182.4Moderate
192.3Moderate
202.3Moderate
212.3Moderate
222.2Moderate
232.2Moderate
242.2Moderate
252.2Moderate
262.1Moderate
272.1Moderate
282.1Moderate
292.1Moderate
302.1Moderate
312.1Moderate
Planning a trip in May

Hazard calendar for Concepción

In seasonPeak

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

Concepción'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 May a good time to visit Concepción?

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

4.4
Sightseeing
9th-best month of the year
0.2
Beach & pool
9th-best month of the year

May is a reasonable time to visit Concepción for sightseeing.

What to pack for Concepción in May

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

In May, Concepción sees daytime highs around 15°C and nights near 8°C. Worth packing: a warm layer and rain gear. About 10 days see rain.

a warm layerrain gear

Sea temperature near Concepción in May

The nearest coast averages about 13°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in January at about 14°C and coldest in August near 12°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
Jan14Bracing
Feb14Bracing
Mar14Bracing
Apr13Bracing
May13Bracing
Jun12Bracing
Jul12Bracing
Aug12Bracing
Sep12Bracing
Oct13Bracing
Nov13Bracing
Dec14Bracing

UV index in Concepción in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Concepción peaks around January 13 at about 12 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateVery highExtremeJan 13UV 12Jun 15UV 2
UV index (midday)Level
Jan12Extreme
Feb11Extreme
Mar9Very high
Apr5Moderate
May3Moderate
Jun2Moderate
Jul3Moderate
Aug3Moderate
Sep5High
Oct8Very high
Nov10Very high
Dec12Extreme

Air quality in Concepción in May

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Concepción is worst in February — around 52 µg/m³ PM2.5 (poor), about 3.8× the cleanest month (December, 13 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Concepción's WHO annual average of 25.9 µg/m³.

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModeratePoorModerateFeb 1548 µg/m³Dec 1014 µg/m³
PM2.5 (µg/m³)Level
Jan24Moderate
Feb52Poor
Mar25Moderate
Apr29Moderate
May43Poor
Jun25Moderate
Jul23Moderate
Aug23Moderate
Sep21Moderate
Oct18Moderate
Nov14Moderate
Dec13Moderate
Location & terrain

Where is Concepción?

Concepción sits at 36.8°S, 73.0°W, 36 m above sea level, in Chile. The nearest listed city is San Pedro de la Paz, 5.0 km away.

Topography around Concepción

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

Within 3 km, the terrain around Concepción has only modest variations in elevation — a maximum elevation change of 240 m around an average of 39 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 507 m; within 80 km, large variations in elevation — a maximum elevation change of 958 m.

The land around Concepción is covered by artificial surfaces (47%) and trees (30%) within 3 km, trees (50%) and water (26%) within 16 km, and trees (46%) and water (35%) within 80 km.

3 km
240 m
16 km
507 m
80 km
958 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: San Pedro de la Paz 5.0 km · Hualpén 6.0 km · Penco 11 km · Chiguayante 11 km · Talcahuano 13 km · Hualqui 19 km · Coronel 24 km · Tomé 25 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 Concepción (-36.827°, -73.0498°, elevation 36 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).