Paillaco weather in December

In December, Paillaco sees average daytime highs of 20°C and overnight lows near 9°C, with 69 mm of rain across 8.2 wet days and about 14.8 hours of daylight. It is the 3rd-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 19°C in the first days to 21°C by the end. The sky is clear or mostly clear about 33% of the time in December, and the air most often feels dry.

Daylight stretches from about 14 h 36 min at the start of December to 14 h 48 min by month's end. Set against the rest of the year, December is Paillaco's 4th-clearest and 3rd-windiest month. For the whole year in context, see Paillaco's year-round climate.

Daytime high
20°
3rd warmest
Overnight low
10th coldest
Rainfall
69 mm
8.2 wet days
Daylight
14 h 48 min
6:23 AM – 9:13 PM
Cloud cover
55%
4th clearest
Wind
11 km/h
3rd windiest
Solar energy
7.09 kWh/m²
Travel score
6.6
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 19°C in the first days to 21°C by the end.

A typical December day in Paillaco reaches about 20°C in the afternoon and slips back to 9°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 25°C. Set against its neighbours, December runs about 3°C warmer than November and about 2°C cooler than January.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1198
2198
3198
4198
5198
6198
7198
8199
9199
10209
11209
12209
13209
14209
15209
16209
17209
18209
19209
20209
21209
22209
23209
24209
25219
26219
272110
282110
292110
302110
312110

Paillaco weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan22° / 10°385.814.57.6
Feb22° / 10°424.913.67.8
Mar20° / 677.612.36.7
Apr16° / 12210.4114.8
May13° / 222159.83.0
Jun10° / 30618.59.21.8
Jul10° / 27017.99.41.7
Aug11° / 25117.710.42.2
Sep13° / 14713.211.73.3
Oct15° / 12313.213.14.3
Nov17° / 8310.114.25.5
Dec20° / 698.214.86.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 18% of December, with mostly cloudy or overcast conditions the remaining 49%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24654
34753
44753
54753
64852
74852
84852
94753
104852
114951
124951
134951
144951
154951
164951
175050
185050
195149
205248
215248
225347
235347
245446
255545
265545
275644
285545
295644
305644
315644

Chance of precipitation in December

Any precipitation

Paillaco gets around 69 mm of rain over 8.2 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 26% and peaks near 29% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
129
228
328
428
528
628
727
827
927
1026
1126
1226
1325
1425
1525
1625
1725
1825
1925
2025
2125
2225
2325
2425
2525
2625
2725
2825
2925
3025
3124

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 95% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1973
2973
3973
4973
5973
6973
7973
8973
9973
10973
11973
12964
13964
14964
15964
16964
17964
18955
19955
20955
21946
22946
23937
24937
25928
26928
27928
28919
29919
30919
31919

Wind in December

Winds average 11 km/h in December.

Across December, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 14 h 36 min at the start of December to 14 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over December. Sunrise moves from 6:22 AM to 6:30 AM, and sunset from 9:00 PM to 9:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.66:229:00
214.76:229:01
314.76:229:02
414.76:229:03
514.76:229:04
614.76:219:05
714.76:219:06
814.86:219:07
914.86:219:08
1014.86:229:08
1114.86:229:09
1214.86:229:10
1314.86:229:11
1414.86:229:11
1514.86:229:12
1614.86:239:13
1714.86:239:13
1814.86:239:14
1914.86:249:14
2014.86:249:15
2114.96:249:16
2214.96:259:16
2314.96:259:16
2414.86:269:17
2514.86:269:17
2614.86:279:18
2714.86:289:18
2814.86:289:18
2914.86:299:19
3014.86:309:19
3114.86:309:19

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 7.09 kWh/m².

For context, solar energy here swings from a low near 1.31 kWh/m² to a high of 7.32 kWh/m² in January across the year — December's 7.09 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
16.7Intense
26.8Intense
36.8Intense
46.8Intense
56.9Intense
66.9Intense
76.9Intense
86.9Intense
97.0Intense
107.0Intense
117.0Intense
127.0Intense
137.0Intense
147.1Intense
157.1Intense
167.1Intense
177.1Intense
187.1Intense
197.1Intense
207.1Intense
217.2Intense
227.2Intense
237.2Intense
247.2Intense
257.2Intense
267.2Intense
277.3Intense
287.3Intense
297.3Intense
307.3Intense
317.3Intense
Planning a trip in December

Hazard calendar for Paillaco

In seasonPeak

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

Paillaco's rainy season runs May–September, when most of the year's rain falls.

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

Is December a good time to visit Paillaco?

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

6.6
Sightseeing
4th-best month of the year
3.4
Beach & pool
3rd-best month of the year

December is a reasonable time to visit Paillaco for sightseeing.

What to pack for Paillaco in December

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

In December, Paillaco sees daytime highs around 20°C and nights near 9°C. Pack sun protection. Worth having: rain gear. About 8 days see rain.

sun protectionrain gear

Sea temperature near Paillaco in December

The nearest coast averages about 14°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 65 km away) is warmest in January at about 14°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
Jan14Bracing
Feb14Bracing
Mar14Bracing
Apr13Bracing
May13Bracing
Jun12Bracing
Jul11Bracing
Aug11Bracing
Sep11Bracing
Oct12Bracing
Nov13Bracing
Dec14Bracing

UV index in Paillaco 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 Paillaco 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
Apr4Moderate
May2Moderate
Jun2Low
Jul2Low
Aug3Moderate
Sep4Moderate
Oct7Very high
Nov9Very high
Dec12Extreme
Location & terrain

Where is Paillaco?

Paillaco sits at 40.1°S, 72.9°W, 86 m above sea level, in Chile. The nearest listed city is La Unión, 30 km away.

Topography around Paillaco

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

Within 3 km, the terrain around Paillaco has significant variations in elevation — a maximum elevation change of 255 m around an average of 98 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 622 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,401 m.

The land around Paillaco is covered by cropland (35%), trees (29%) and grassland (28%) within 3 km, trees (59%) and grassland (23%) within 16 km, and trees (57%) and grassland (20%) within 80 km.

3 km
255 m
16 km
622 m
80 km
2,401 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: La Unión 30 km · Río Bueno 30 km · Las Animas 41 km · Valdivia 42 km · Osorno 60 km · Panguipulli 66 km · Loncoche 81 km · Purranque 97 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 Paillaco (-40.0682°, -72.8794°, elevation 86 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).