Tomé weather in December

In December, Tomé sees average daytime highs of 18°C and overnight lows near 13°C, with 14 mm of rain across 2.2 wet days and about 14.5 hours of daylight. It is the 4th-warmest and 10th-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 73% of the time in December, and the air most often feels dry.

Daylight stretches from about 14 h 18 min at the start of December to 14 h 30 min by month's end. Set against the rest of the year, December is Tomé's 3rd-clearest and 1st-windiest month. For the whole year in context, see Tomé's year-round climate.

Daytime high
18°
4th warmest
Overnight low
13°
9th coldest
Rainfall
14 mm
2.2 wet days
Daylight
14 h 30 min
6:33 AM – 9:03 PM
Cloud cover
26%
3rd clearest
Wind
17 km/h
1st windiest
Solar energy
8.68 kWh/m²
Travel score
7.6
out of 10

Tomé is city in Chile.

Air quality
Elevated
PM2.5 15.5 µg/m³ · 2019
Density
4,292/km²
people per km²
Founded
1544

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 Tomé reaches about 18°C in the afternoon and slips back to 13°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 20°C. Set against its neighbours, December runs about 2°C warmer than November and about 1°C cooler than January.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11712
21712
31712
41812
51812
61812
71812
81812
91812
101812
111812
121812
131812
141812
151813
161813
171813
181813
191813
201813
211813
221913
231913
241913
251913
261913
271913
281913
291913
301913
311913

Tomé weather by month

How December compares with the rest of the year at a glance. December is the 4th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan19° / 14°61.214.28.2
Feb19° / 14°111.413.48.1
Mar18° / 13°182.512.37.5
Apr16° / 11°495.211.15.7
May14° / 10°1339.410.14.1
Jun13° / 18813.49.53.1
Jul12° / 14711.69.83.1
Aug12° / 12210.910.63.4
Sep14° / 606.711.84.2
Oct15° / 10°395.712.95.1
Nov17° / 11°182.6146.6
Dec18° / 13°142.214.57.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 73% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 12% of December, with mostly cloudy or overcast conditions the remaining 15%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18218
28218
38317
48317
58317
68317
78317
88317
98317
108317
118317
128317
138416
148416
158416
168515
178515
188416
198515
208515
218614
228713
238713
248713
258713
268812
278812
288812
298812
308812
318911

Chance of precipitation in December

Any precipitation

Tomé gets around 14 mm of rain over 2.2 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 7% and peaks near 8% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
18
28
38
48
58
68
78
88
97
107
117
126
136
146
156
166
176
186
196
206
216
226
236
246
256
266
276
286
296
306
315

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 87% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1937
2937
3928
4928
5919
6919
7919
8919
9919
10919
11919
12919
13919
14919
15919
169010
179010
188911
198812
208713
218614
228515
238416
248218
258119
268020
277921
287822
297723
307723
317624

Wind in December

Winds average 17 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 17 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
118light breeze
218light breeze
318light breeze
418light breeze
518light breeze
618light breeze
718light breeze
818light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze
3117light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 14 h 18 min at the start of December to 14 h 30 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 6:32 AM to 6:41 AM, and sunset from 8:51 PM to 9:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.36:328:51
214.36:328:52
314.46:328:53
414.46:328:54
514.46:328:55
614.46:328:55
714.46:328:56
814.46:328:57
914.46:328:58
1014.46:328:59
1114.56:328:59
1214.56:329:00
1314.56:329:01
1414.56:339:01
1514.56:339:02
1614.56:339:03
1714.56:349:03
1814.56:349:04
1914.56:349:04
2014.56:359:05
2114.56:359:05
2214.56:369:06
2314.56:369:06
2414.56:379:07
2514.56:379:07
2614.56:389:08
2714.56:389:08
2814.56:399:08
2914.56:409:09
3014.56:409:09
3114.56:419:09

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 8.68 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.94 kWh/m² to a high of 8.68 kWh/m² in December across the year — December's 8.68 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
18.4Intense
28.5Intense
38.5Intense
48.5Intense
58.5Intense
68.5Intense
78.6Intense
88.6Intense
98.6Intense
108.6Intense
118.6Intense
128.6Intense
138.7Intense
148.7Intense
158.7Intense
168.7Intense
178.7Intense
188.7Intense
198.7Intense
208.7Intense
218.8Intense
228.8Intense
238.8Intense
248.8Intense
258.8Intense
268.8Intense
278.8Intense
288.8Intense
298.8Intense
308.8Intense
318.8Intense
Planning a trip in December

Hazard calendar for Tomé

In seasonPeak

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

Tomé'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 December a good time to visit Tomé?

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

7.6
Sightseeing
3rd-best month of the year
2.7
Beach & pool
3rd-best month of the year

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

What to pack for Tomé in December

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

In December, Tomé sees daytime highs around 18°C and nights near 13°C. Pack sun protection.

sun protection

Sea temperature near Tomé 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 15 km away) is warmest in January at about 15°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
Jan15Bracing
Feb15Bracing
Mar14Bracing
Apr14Bracing
May13Bracing
Jun13Bracing
Jul12Bracing
Aug12Bracing
Sep12Bracing
Oct13Bracing
Nov13Bracing
Dec14Bracing

UV index in Tomé 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 Tomé peaks around January 14 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 16 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 14UV 12Jun 16UV 2
UV index (midday)Level
Jan12Extreme
Feb11Extreme
Mar9Very high
Apr5Moderate
May3Moderate
Jun2Moderate
Jul3Moderate
Aug3Moderate
Sep5Moderate
Oct8Very high
Nov10Very high
Dec12Extreme

Air quality in Tomé 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 Tomé is worst in February — around 31 µg/m³ PM2.5 (moderate), about 3.8× the cleanest month (December, 8 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Tomé's WHO annual average of 15.5 µg/m³.

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodFeb 1529 µg/m³Dec 108 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb31Moderate
Mar15Moderate
Apr18Moderate
May26Moderate
Jun15Moderate
Jul14Moderate
Aug14Moderate
Sep13Moderate
Oct11Good
Nov8Good
Dec8Good
Location & terrain

Where is Tomé?

Tomé sits at 36.6°S, 73.0°W, 16 m above sea level, in Chile. The nearest listed city is Penco, 14 km away.

Topography around Tomé

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

Within 3 km, the terrain around Tomé has significant variations in elevation — a maximum elevation change of 329 m around an average of 80 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 485 m; within 80 km, large variations in elevation — a maximum elevation change of 908 m.

The land around Tomé is covered by trees (47%) and water (32%) within 3 km, trees (48%) and water (43%) within 16 km, and trees (41%) and water (36%) within 80 km.

3 km
329 m
16 km
485 m
80 km
908 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Penco 14 km · Talcahuano 19 km · Hualpén 23 km · Concepción 25 km · Coelemu 27 km · San Pedro de la Paz 28 km · Chiguayante 35 km · Hualqui 40 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 Tomé (-36.6176°, -72.9559°, elevation 16 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).