Tocopilla weather in December

In December, Tocopilla sees average daytime highs of 18°C and overnight lows near 17°C, with 2 mm of rain across 0.2 wet days and about 13.3 hours of daylight. It is the 5th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 18°C through the month. The sky is clear or mostly clear about 52% of the time in December, and the air most often feels humid.

Daylight stretches from about 13 h 18 min at the start of December to 13 h 18 min by month's end. Set against the rest of the year, December is Tocopilla's 9th-clearest and 2nd-windiest month. For the whole year in context, see Tocopilla's year-round climate.

Daytime high
18°
5th warmest
Overnight low
17°
8th coldest
Rainfall
2 mm
0.2 wet days
Daylight
13 h 18 min
6:57 AM – 8:17 PM
Cloud cover
42%
9th clearest
Wind
12 km/h
2nd windiest
Solar energy
8.45 kWh/m²
Travel score
7.4
out of 10

Tocopilla is city in Chile.

Air quality
Moderate
PM2.5 13.9 µg/m³ · 2019
Density
3,195/km²
people per km²
Founded
1843

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 18°C through the month.

A typical December day in Tocopilla reaches about 18°C in the afternoon and slips back to 17°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 19°C. Set against its neighbours, December runs about 2°C warmer than November and about 2°C cooler than January.

10°13°15°18°20°151015202531
Avg high (°C)Avg low (°C)
11716
21716
31716
41716
51716
61716
71716
81716
91716
101716
111716
121816
131816
141817
151817
161817
171817
181817
191817
201817
211817
221817
231817
241817
251817
261817
271817
281817
291817
301917
311918

Tocopilla weather by month

How December compares with the rest of the year at a glance. December is the 5th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan19° / 18°30.413.27.8
Feb20° / 19°30.712.88.0
Mar19° / 18°30.412.27.9
Apr18° / 17°30.611.57.5
May17° / 16°61.9116.9
Jun16° / 15°92.510.76.2
Jul16° / 14°7210.86.0
Aug15° / 14°40.511.26.0
Sep15° / 14°20.211.96.1
Oct15° / 14°10.112.56.1
Nov16° / 15°20.113.16.6
Dec18° / 17°20.213.37.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 52% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 22% of December, with mostly cloudy or overcast conditions the remaining 25%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18020
28020
38020
48020
57921
67822
77822
87822
97723
107822
117723
127723
137624
147624
157525
167525
177426
187426
197426
207327
217327
227228
237228
247129
257129
267129
277030
287129
297030
307030
317030

Chance of precipitation in December

Any precipitation

Tocopilla gets around 2 mm of rain over 0.2 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 1% and peaks near 1% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
11
21
31
41
51
61
71
81
91
101
111
121
131
141
151
161
171
181
191
201
211
221
231
241
251
261
271
281
291
301
311

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the humid band about 61% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)
173270
271290
369310
467330
565350
663370
760400
858420
956440
1053470
1151490
1248520
1345550
1443561
1540591
1638611
1735641
1832671
1930682
2027712
2124742
2222762
2319792
2417812
2515832
2613852
2711872
289892
297903
306913
315923

Wind in December

Winds average 12 km/h in December.

Across December, daily wind ranges from about 12 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
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 18 min at the start of December to 13 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 6:53 AM to 7:04 AM, and sunset from 8:08 PM to 8:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.36:538:08
213.36:538:09
313.36:538:09
413.36:538:10
513.36:548:11
613.36:548:11
713.36:548:12
813.36:548:13
913.36:548:13
1013.36:558:14
1113.36:558:14
1213.36:558:15
1313.36:568:16
1413.36:568:16
1513.36:568:17
1613.36:578:17
1713.36:578:18
1813.36:578:18
1913.36:588:19
2013.46:588:19
2113.46:598:20
2213.46:598:20
2313.47:008:21
2413.47:008:21
2513.37:018:22
2613.37:018:22
2713.37:028:22
2813.37:028:23
2913.37:038:23
3013.37:038:24
3113.37:048:24

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 8.45 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.29 kWh/m² to a high of 8.45 kWh/m² in December across the year — December's 8.45 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
18.5Intense
28.5Intense
38.5Intense
48.5Intense
58.5Intense
68.5Intense
78.5Intense
88.5Intense
98.5Intense
108.5Intense
118.5Intense
128.5Intense
138.5Intense
148.5Intense
158.5Intense
168.4Intense
178.4Intense
188.4Intense
198.4Intense
208.4Intense
218.4Intense
228.4Intense
238.4Intense
248.4Intense
258.4Intense
268.4Intense
278.4Intense
288.3Intense
298.3Intense
308.3Intense
318.3Intense
Planning a trip in December

Is December a good time to visit Tocopilla?

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

7.4
Sightseeing
5th-best month of the year
2.3
Beach & pool
5th-best month of the year

December is one of the better times to visit Tocopilla for general sightseeing.

What to pack for Tocopilla in December

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

In December, Tocopilla sees daytime highs around 18°C and nights near 17°C. Pack sun protection.

sun protection

Sea temperature near Tocopilla in December

The nearest coast averages about 20°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 19 km away) is warmest in February at about 22°C and coldest in August near 16°C.

It's comfortable for a long swim from Dec 11 to Apr 10 — about 4 months when the water holds above 20°C.

14°16°18°20°22°24°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingcomfortable to swim
Sea temperature (°C)Comfort
Jan22Refreshing
Feb22Refreshing
Mar21Refreshing
Apr20Cool
May19Cool
Jun18Cool
Jul17Cool
Aug16Cool
Sep16Cool
Oct17Cool
Nov19Cool
Dec20Refreshing

UV index in Tocopilla in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tocopilla peaks around January 14 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 6 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 14UV 16Jul 10UV 6
UV index (midday)Level
Jan16Extreme
Feb15Extreme
Mar14Extreme
Apr10Very high
May8Very high
Jun7High
Jul6High
Aug9Very high
Sep12Extreme
Oct14Extreme
Nov14Extreme
Dec15Extreme

Air quality in Tocopilla 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 Tocopilla is worst in May — around 19 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (December, 10 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Tocopilla's WHO annual average of 13.9 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMay 2419 µg/m³Dec 1510 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb12Moderate
Mar10Good
Apr13Moderate
May19Moderate
Jun19Moderate
Jul19Moderate
Aug17Moderate
Sep14Moderate
Oct12Moderate
Nov11Good
Dec10Good
Location & terrain

Where is Tocopilla?

Tocopilla sits at 22.1°S, 70.2°W, 37 m above sea level, in Chile. The nearest listed city is Calama, 137 km away.

UyuniArica

Topography around Tocopilla

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

Within 3 km, the terrain around Tocopilla has large variations in elevation — a maximum elevation change of 908 m around an average of 193 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,970 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,278 m.

The land around Tocopilla is covered by bare terrain (54%) and water (37%) within 3 km, bare terrain (52%) and water (47%) within 16 km, and bare terrain (67%) and water (33%) within 80 km.

3 km
908 m
16 km
1,970 m
80 km
2,278 m
artificial surfacesbare terrainwater
December weather nearby: Calama 137 km · Antofagasta 175 km · Alto Hospicio 203 km · Pozo Almonte 209 km · Iquique 209 km · San Pedro de Atacama 224 km · Uyuni 394 km · Arica 402 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 Tocopilla (-22.092°, -70.1979°, 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).