Nueva Loja weather in December

In December, Nueva Loja sees average daytime highs of 30°C and overnight lows near 21°C, with 246 mm of rain across 24.6 wet days and about 12 hours of daylight. It is the 4th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 6% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of December to 12 hours by month's end. Set against the rest of the year, December is Nueva Loja's 4th-clearest and 3rd-windiest month. For the whole year in context, see Nueva Loja's year-round climate.

Daytime high
30°
4th warmest
Overnight low
21°
8th coldest
Rainfall
246 mm
24.6 wet days
Daylight
12 hours
6:04 AM – 6:04 PM
Cloud cover
76%
4th clearest
Wind
3 km/h
3rd windiest
Solar energy
4.63 kWh/m²
Travel score
3.3
out of 10

Nueva Loja is city in Ecuador, capital of the Sucumbíos Province.

Density
1,359/km²
people per km²
Founded
1971

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 30°C through the month.

A typical December day in Nueva Loja reaches about 30°C in the afternoon and slips back to 21°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 32°C. Set against its neighbours, December runs on par with November and on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13022
23022
33022
43022
53022
63022
73022
83022
93022
103022
113022
123022
133022
143022
153022
163021
173021
183021
193021
203021
213021
223021
233021
243021
253021
263021
273021
283021
293021
303021
313021

How December really feels in Nueva Loja

Once humidity and wind are folded in, December averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Nueva Loja weather by month

How December compares with the rest of the year at a glance. December is the 4th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 21°18120.1123.7
Feb30° / 22°22320.7123.4
Mar30° / 22°33227.4123.0
Apr29° / 22°35027.5123.0
May29° / 21°33827.5123.3
Jun27° / 21°33626.5123.8
Jul27° / 20°29225124.1
Aug28° / 20°22223.2124.0
Sep29° / 21°21023.2123.5
Oct30° / 21°23625.8123.1
Nov30° / 22°27126.2123.0
Dec30° / 21°24624.6123.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 15% of December, with mostly cloudy or overcast conditions the remaining 79%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11981
21981
31981
41981
51981
62080
72080
82080
92080
101981
111981
121981
131981
141981
152080
162080
172080
182179
192179
202179
212179
222278
232278
242476
252476
262476
272575
282674
292674
302674
312674

Chance of precipitation in December

Any precipitation

Nueva Loja gets around 246 mm of rain over 24.6 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 79% and peaks near 85% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
185
284
384
484
584
683
783
883
982
1082
1182
1281
1381
1481
1580
1680
1779
1879
1979
2078
2178
2277
2376
2475
2574
2673
2772
2871
2970
3069
3168

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the oppressive band about 95% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
101972
201981
301981
401981
501981
601981
701981
801981
901981
1001981
1101981
1202971
1302971
1402971
1503961
1603961
1704951
1804951
1904951
2005941
2105941
2206931
2306931
2407921
2507921
2618901
2718901
2819891
2919891
3019891
31110872

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 4 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
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in December

DaylightNight

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

Days grow by about 0 minutes over December. Sunrise moves from 5:57 AM to 6:11 AM, and sunset from 5:57 PM to 6:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.05:575:57
212.05:585:58
312.05:585:58
412.05:595:58
512.05:595:59
612.05:595:59
712.06:006:00
812.06:006:00
912.06:016:00
1012.06:016:01
1112.06:026:01
1212.06:026:02
1312.06:036:02
1412.06:036:03
1512.06:036:03
1612.06:046:04
1712.06:046:04
1812.06:056:05
1912.06:056:05
2012.06:066:05
2112.06:066:06
2212.06:076:06
2312.06:076:07
2412.06:086:07
2512.06:086:08
2612.06:096:08
2712.06:096:09
2812.06:106:09
2912.06:106:10
3012.06:106:10
3112.06:116:11

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.63 kWh/m².

For context, solar energy here swings from a low near 3.4 kWh/m² to a high of 5.11 kWh/m² in September across the year — December's 4.63 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.6Bright
84.6Bright
94.6Bright
104.6Bright
114.6Bright
124.6Bright
134.6Bright
144.6Bright
154.6Bright
164.6Bright
174.6Bright
184.6Bright
194.6Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in December

Is December a good time to visit Nueva Loja?

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

3.3
Sightseeing
7th-best month of the year
4.5
Beach & pool
5th-best month of the year

December is a weaker month for outdoor sightseeing in Nueva Loja.

What to pack for Nueva Loja in December

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

In December, Nueva Loja sees daytime highs around 30°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

UV index in Nueva Loja in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Nueva Loja peaks around February 13 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 14 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeFeb 13UV 14Aug 14UV 9
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar13Extreme
Apr10Extreme
May14Extreme
Jun12Extreme
Jul11Extreme
Aug9Very high
Sep13Extreme
Oct13Extreme
Nov11Extreme
Dec10Extreme

Air quality in Nueva Loja 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 Nueva Loja is worst in February — around 20 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (July, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateFeb 2020 µg/m³Jul 1511 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb20Moderate
Mar20Moderate
Apr17Moderate
May14Moderate
Jun12Good
Jul10Good
Aug12Moderate
Sep14Moderate
Oct14Moderate
Nov15Moderate
Dec14Moderate
Location & terrain

Where is Nueva Loja?

Nueva Loja sits at 0.1°N, 76.9°W, 303 m above sea level, in Ecuador. The nearest listed city is Puerto Francisco de Orellana, 61 km away.

IpialesPupialesMocoaTulcán

Topography around Nueva Loja

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

Within 3 km, the terrain around Nueva Loja has only modest variations in elevation — a maximum elevation change of 58 m around an average of 304 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 106 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,946 m.

The land around Nueva Loja is covered by trees (52%) and artificial surfaces (34%) within 3 km, trees (88%) within 16 km, and trees (94%) within 80 km.

3 km
58 m
16 km
106 m
80 km
3,946 m
treesgrasslandartificial surfaceswater
December weather nearby: Puerto Francisco de Orellana 61 km · Puerto Asís 64 km · Orito 65 km · Boca Suno 91 km · Ipiales 117 km · Pupiales 120 km · Mocoa 122 km · Tulcán 122 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 Nueva Loja (0.086°, -76.8953°, elevation 303 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).