Melipilla weather in December

In December, Melipilla sees average daytime highs of 26°C and overnight lows near 12°C, with 4 mm of rain across 0.6 wet days and about 14.2 hours of daylight. It is the 3rd-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 25°C in the first days to 26°C by the end. The sky is clear or mostly clear about 85% of the time in December, and the air most often feels dry.

Daylight stretches from about 14 h 06 min at the start of December to 14 h 12 min by month's end. Set against the rest of the year, December is Melipilla's 3rd-clearest and 1st-windiest month. For the whole year in context, see Melipilla's year-round climate.

Daytime high
26°
3rd warmest
Overnight low
12°
10th coldest
Rainfall
4 mm
0.6 wet days
Daylight
14 h 12 min
6:34 AM – 8:48 PM
Cloud cover
16%
3rd clearest
Wind
7 km/h
1st windiest
Solar energy
8.96 kWh/m²
Travel score
9.1
out of 10

Melipilla is city in Chile.

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 25°C in the first days to 26°C by the end.

A typical December day in Melipilla reaches about 26°C in the afternoon and slips back to 12°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 29°C. Set against its neighbours, December runs about 2°C warmer than November and about 1°C cooler than January.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12511
22511
32511
42512
52512
62512
72512
82512
92512
102512
112512
122512
132512
142512
152512
162612
172612
182612
192612
202612
212613
222613
232613
242613
252613
262613
272613
282613
292613
302613
312613

Melipilla weather by month

How December compares with the rest of the year at a glance. December is the 3rd-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 14°20.5149.0
Feb26° / 13°30.513.39.1
Mar25° / 12°71.212.39.1
Apr21° / 273.211.28.0
May18° / 725.710.36.3
Jun15° / 1338.19.84.6
Jul14° / 816.7104.6
Aug16° / 696.310.75.3
Sep18° / 364.811.86.6
Oct21° / 20312.87.8
Nov24° / 11°61.413.79.0
Dec26° / 12°40.614.29.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 85% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 7% of December, with mostly cloudy or overcast conditions the remaining 8%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18911
28911
39010
49010
59010
69010
79010
8919
9919
10919
11919
12919
13928
14937
15937
16937
17937
18937
19937
20937
21937
22937
23937
24937
25928
26928
27937
28937
29937
30937
31937

Chance of precipitation in December

Any precipitation

Melipilla gets around 4 mm of rain over 0.6 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 2% and peaks near 3% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
12
23
33
43
53
63
73
82
92
102
112
122
132
142
152
162
172
182
191
201
211
221
231
241
251
261
271
281
291
301
311

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the dry band about 90% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1982
2982
3973
4973
5964
6964
7955
8946
9946
10937
11928
12928
13919
14919
159010
168911
178911
188812
198812
208713
218713
228614
238614
248614
258515
268515
278416
288317
298317
308218
318218

Wind in December

Winds average 7 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 14 h 06 min at the start of December to 14 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over December. Sunrise moves from 6:32 AM to 6:42 AM, and sunset from 8:37 PM to 8:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.16:328:37
214.16:328:38
314.16:328:39
414.16:328:39
514.16:328:40
614.16:328:41
714.26:328:42
814.26:328:42
914.26:338:43
1014.26:338:44
1114.26:338:45
1214.26:338:45
1314.26:338:46
1414.26:348:47
1514.26:348:47
1614.26:348:48
1714.26:358:48
1814.26:358:49
1914.26:358:50
2014.26:368:50
2114.26:368:51
2214.26:378:51
2314.26:378:51
2414.26:388:52
2514.26:388:52
2614.26:398:53
2714.26:398:53
2814.26:408:53
2914.26:408:54
3014.26:418:54
3114.26:428:54

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 8.96 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.36 kWh/m² to a high of 8.96 kWh/m² in December across the year — December's 8.96 kWh/m² sits near the top of that range.

0246810151015202531
Solar energy (kWh/m²)Level
18.7Intense
28.8Intense
38.8Intense
48.8Intense
58.8Intense
68.8Intense
78.8Intense
88.8Intense
98.9Intense
108.9Intense
118.9Intense
128.9Intense
138.9Intense
148.9Intense
158.9Intense
169.0Intense
179.0Intense
189.0Intense
199.0Intense
209.0Intense
219.0Intense
229.0Intense
239.0Intense
249.1Intense
259.1Intense
269.1Intense
279.1Intense
289.1Intense
299.1Intense
309.1Intense
319.1Intense
Planning a trip in December

Is December a good time to visit Melipilla?

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

9.1
Sightseeing
1st-best month of the year
8.4
Beach & pool
3rd-best month of the year

December is one of the better times to visit Melipilla for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Melipilla in December

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

In December, Melipilla sees daytime highs around 26°C and nights near 12°C. Pack sun protection. Worth having: light clothes.

sun protectionlight clothes

Sea temperature near Melipilla in December

The nearest coast averages about 15°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 39 km away) is warmest in February at about 16°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°18°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan16Cool
Feb16Cool
Mar16Cool
Apr14Bracing
May14Bracing
Jun13Bracing
Jul13Bracing
Aug12Bracing
Sep12Bracing
Oct13Bracing
Nov13Bracing
Dec15Bracing

UV index in Melipilla in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Melipilla peaks around January 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateVery highExtremeJan 17UV 13Jun 20UV 3
UV index (midday)Level
Jan14Extreme
Feb12Extreme
Mar10Extreme
Apr5Moderate
May3Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct9Very high
Nov10Extreme
Dec12Extreme

Air quality in Melipilla in December

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Melipilla is worst in July — around 88 µg/m³ PM2.5 (unhealthy), about 2.5× the cleanest month (February, 35 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0306090JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorJul 1287 µg/m³Feb 1836 µg/m³
PM2.5 (µg/m³)Level
Jan45Poor
Feb35Moderate
Mar40Poor
Apr58Unhealthy
May83Unhealthy
Jun85Unhealthy
Jul88Unhealthy
Aug77Unhealthy
Sep64Unhealthy
Oct45Poor
Nov37Poor
Dec38Poor
Location & terrain

Where is Melipilla?

Melipilla sits at 33.7°S, 71.2°W, 175 m above sea level, in Chile. The nearest listed city is El Monte, 21 km away.

Topography around Melipilla

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

Within 3 km, the terrain around Melipilla has significant variations in elevation — a maximum elevation change of 365 m around an average of 188 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,164 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,274 m.

The land around Melipilla is covered by artificial surfaces (30%) and grassland (26%) within 3 km, grassland (32%), cropland (23%) and trees (21%) within 16 km, and shrubs (23%), grassland (23%) and trees (20%) within 80 km.

3 km
365 m
16 km
1,164 m
80 km
3,274 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: El Monte 21 km · Talagante 27 km · Peñaflor 33 km · Curacaví 33 km · San Antonio 38 km · Cartagena 39 km · Padre Hurtado 40 km · Buin 44 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 Melipilla (-33.6891°, -71.2153°, elevation 175 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).