La Troncal weather in December

In December, La Troncal sees average daytime highs of 20°C and overnight lows near 15°C, with 424 mm of rain across 30.2 wet days and about 12.1 hours of daylight. It is the 6th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 20°C through the month. The sky is clear or mostly clear about 0% of the time in December, and the air most often feels humid.

Daylight stretches from about 12 h 06 min at the start of December to 12 h 06 min by month's end. Set against the rest of the year, December is La Troncal's 7th-clearest and 4th-windiest month. For the whole year in context, see La Troncal's year-round climate.

Daytime high
20°
6th warmest
Overnight low
15°
7th coldest
Rainfall
424 mm
30.2 wet days
Daylight
12 h 06 min
6:09 AM – 6:18 PM
Cloud cover
90%
7th clearest
Wind
3 km/h
4th windiest
Solar energy
3.73 kWh/m²
Travel score
3.3
out of 10

La Troncal is city of Cañar Province, Ecuador.

Density
6,492/km²
people per km²
Founded
1975

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 20°C through the month.

A typical December day in La Troncal reaches about 20°C in the afternoon and slips back to 15°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 22°C. Set against its neighbours, December runs on par with November and on par with January.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12015
22015
32015
42015
52015
62015
72015
82015
92015
102015
112015
122015
132015
142015
152015
162015
172015
182015
192015
202015
212015
222015
232015
242015
252015
262115
272115
282115
292115
302115
312115

La Troncal weather by month

How December compares with the rest of the year at a glance. December is the 6th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan21° / 15°49030.812.13.2
Feb21° / 16°51327.912.13.2
Mar21° / 16°60730.8123.2
Apr21° / 16°54329.911.93.2
May21° / 16°48830.811.93.3
Jun20° / 15°3133011.93.3
Jul20° / 15°2793111.93.3
Aug20° / 14°2613111.93.3
Sep20° / 15°32130123.2
Oct20° / 15°33429.312.13.4
Nov20° / 15°30427.112.13.5
Dec20° / 15°42430.212.13.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 1% of December, with mostly cloudy or overcast conditions the remaining 99%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1199
2199
3199
4199
5199
6199
7199
8199
9199
10199
11199
12199
13199
14199
15199
16199
17199
18199
19199
20199
21199
22199
23199
24199
25199
26199
27199
28199
29199
30199
31199

Chance of precipitation in December

Any precipitation

La Troncal gets around 424 mm of rain over 30.2 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 98% and peaks near 99% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
195
295
395
495
596
696
796
896
996
1097
1197
1297
1398
1498
1598
1698
1798
1899
1999
2099
2199
2299
2399
2499
2599
2699
2799
2899
2999
3099
3199

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 68% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
124058
223959
323860
413762
513663
613564
713564
813465
913366
1003367
1103268
1203268
1303268
1403169
1503169
1603169
1703169
1803169
1903169
2003169
2103169
2203169
2303169
2403070
2502971
2602872
2702773
2802773
2902674
3002575
3102575

Wind in December

Winds average 3 km/h in December.

Across December, daily wind ranges from about 3 km/h on the calmest days to 3 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
13calm
23calm
33calm
43calm
53calm
63calm
73calm
83calm
93calm
103calm
113calm
123calm
133calm
143calm
153calm
163calm
173calm
183calm
193calm
203calm
213calm
223calm
233calm
243calm
253calm
263calm
273calm
283calm
293calm
303calm
313calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 06 min at the start of December to 12 h 06 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 6:03 AM to 6:16 AM, and sunset from 6:11 PM to 6:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:036:11
212.16:046:11
312.16:046:12
412.16:046:12
512.16:056:13
612.16:056:13
712.16:056:14
812.16:066:14
912.16:066:14
1012.16:076:15
1112.16:076:15
1212.16:086:16
1312.16:086:16
1412.16:086:17
1512.16:096:17
1612.16:096:18
1712.16:106:18
1812.16:106:19
1912.16:116:19
2012.16:116:20
2112.16:126:20
2212.16:126:21
2312.16:136:21
2412.16:136:21
2512.16:146:22
2612.16:146:22
2712.16:146:23
2812.16:156:23
2912.16:156:24
3012.16:166:24
3112.16:166:25

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.73 kWh/m².

For context, solar energy here swings from a low near 3.47 kWh/m² to a high of 4.22 kWh/m² in September across the year — December's 3.73 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.9Moderate
23.9Moderate
33.9Moderate
43.8Moderate
53.8Moderate
63.8Moderate
73.8Moderate
83.8Moderate
93.8Moderate
103.8Moderate
113.7Moderate
123.7Moderate
133.7Moderate
143.7Moderate
153.7Moderate
163.7Moderate
173.7Moderate
183.7Moderate
193.7Moderate
203.7Moderate
213.7Moderate
223.7Moderate
233.7Moderate
243.7Moderate
253.7Moderate
263.7Moderate
273.7Moderate
283.7Moderate
293.7Moderate
303.7Moderate
313.7Moderate
Planning a trip in December

Is December a good time to visit La Troncal?

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

3.3
Sightseeing
3rd-best month of the year
1.8
Beach & pool
7th-best month of the year

December is a weaker month for outdoor sightseeing in La Troncal.

What to pack for La Troncal in December

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

In December, La Troncal sees daytime highs around 20°C and nights near 15°C. Pack rain gear. About 30 days see rain.

rain gear

UV index in La Troncal 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 La Troncal peaks around March 11 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 16 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 11UV 16Jul 16UV 11
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar16Extreme
Apr14Extreme
May14Extreme
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct14Extreme
Nov13Extreme
Dec12Extreme

Air quality in La Troncal 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 La Troncal is worst in November — around 35 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (February, 22 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateNov 1734 µg/m³Feb 1522 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb22Moderate
Mar23Moderate
Apr24Moderate
May25Moderate
Jun27Moderate
Jul29Moderate
Aug29Moderate
Sep31Moderate
Oct27Moderate
Nov35Moderate
Dec28Moderate
Location & terrain

Where is La Troncal?

La Troncal sits at 2.4°S, 79.3°W, 480 m above sea level, in Ecuador. The nearest listed city is Naranjito, 31 km away.

Topography around La Troncal

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

Within 3 km, the terrain around La Troncal has only modest variations in elevation — a maximum elevation change of 121 m around an average of 83 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,775 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,505 m.

The land around La Troncal is covered by trees (44%) and grassland (30%) within 3 km, trees (63%) and grassland (25%) within 16 km, and trees (35%) and grassland (35%) within 80 km.

3 km
121 m
16 km
1,775 m
80 km
4,505 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
December weather nearby: Naranjito 31 km · Naranjal 41 km · Milagro 43 km · Yaguachi Nuevo 53 km · Eloy Alfaro 62 km · Cuenca 65 km · Azogues 65 km · Guayaquil 66 km

Ecuador travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 43% of US
price level, 2025
GDP per capita
$7,125
2025
Happiness
6.1 / 10
World Happiness, 2025
Safe drinking water
70%
of population, 2024
Homicide rate
45.7
per 100k, 2023
Road deaths
20.1
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 466
Religion
Roman Catholic 68%Protestant 19%none 8%other 2%

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 La Troncal (-2.4247°, -79.3416°, elevation 480 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. 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).