Loja weather in December

In December, Loja sees average daytime highs of 21°C and overnight lows near 14°C, with 148 mm of rain across 21.8 wet days and about 12.2 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 21°C through the month. The sky is clear or mostly clear about 4% of the time in December, and the air most often feels comfortable.

Daylight stretches from about 12 h 12 min at the start of December to 12 h 12 min by month's end. Set against the rest of the year, December is Loja's 7th-clearest and 9th-windiest month. For the whole year in context, see Loja's year-round climate.

Daytime high
21°
5th warmest
Overnight low
14°
11th coldest
Rainfall
148 mm
21.8 wet days
Daylight
12 h 12 min
6:06 AM – 6:20 PM
Cloud cover
78%
7th clearest
Wind
5 km/h
9th windiest
Solar energy
5 kWh/m²
Travel score
4.6
out of 10

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

Density
5,263/km²
people per km²
Founded
1548

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 21°C through the month.

A typical December day in Loja reaches about 21°C in the afternoon and slips back to 14°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 23°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)
12114
22114
32114
42114
52114
62114
72114
82114
92114
102114
112114
122114
132114
142114
152114
162114
172114
182114
192114
202114
212114
222114
232114
242114
252114
262114
272114
282114
292114
302114
312114

Loja weather by month

How December compares with the rest of the year at a glance. December is the 5th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan21° / 14°16722.512.24.5
Feb21° / 14°19522.812.14.1
Mar21° / 14°20424.2124.1
Apr21° / 14°14820.911.94.6
May21° / 14°8216.311.85.5
Jun21° / 13°4911.711.86.1
Jul20° / 13°3710.111.86.4
Aug21° / 13°246.911.97.0
Sep22° / 14°368.4126.8
Oct22° / 14°8816.212.15.5
Nov22° / 14°13319.212.24.9
Dec21° / 14°14821.812.24.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 4% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 14% of December, with mostly cloudy or overcast conditions the remaining 82%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11882
21882
31783
41783
51783
61783
71684
81684
91684
101684
111684
121684
131585
141585
151585
161585
171684
181684
191783
201783
211882
221981
231981
242080
252080
262179
272278
282377
292377
302377
312377

Chance of precipitation in December

Any precipitation

Loja gets around 148 mm of rain over 21.8 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 70% and peaks near 72% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
165
265
366
467
567
668
769
869
970
1071
1171
1271
1372
1472
1572
1672
1771
1871
1971
2071
2171
2271
2371
2471
2571
2670
2770
2870
2970
3070
3171

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the comfortable band about 60% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
14456
24357
34357
44258
54258
64159
74060
84060
93961
103862
113862
123763
133664
143664
153664
163664
173664
183664
193664
203763
213862
223862
233961
244060
254159
264159
274258
284258
294258
304357
314357

Wind in December

Winds average 5 km/h in December.

Across December, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 12 min at the start of December to 12 h 12 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 6:00 AM to 6:13 AM, and sunset from 6:13 PM to 6:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:006:13
212.26:006:13
312.26:016:14
412.26:016:14
512.26:026:15
612.26:026:15
712.26:026:16
812.26:036:16
912.26:036:17
1012.26:036:17
1112.26:046:18
1212.26:046:18
1312.26:056:18
1412.26:056:19
1512.26:066:19
1612.26:066:20
1712.26:076:20
1812.26:076:21
1912.26:076:21
2012.26:086:22
2112.26:086:22
2212.26:096:23
2312.26:096:23
2412.26:106:24
2512.26:106:24
2612.26:116:25
2712.26:116:25
2812.26:126:25
2912.26:126:26
3012.26:136:26
3112.26:136:27

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5 kWh/m².

For context, solar energy here swings from a low near 4.6 kWh/m² to a high of 5.66 kWh/m² in September across the year — December's 5 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
224.9Bright
234.9Bright
244.9Bright
254.9Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
314.9Bright
Planning a trip in December

Hazard calendar for Loja

In seasonPeak

In December, Loja sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Loja's rainy season runs November–April, 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 Loja?

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

4.6
Sightseeing
8th-best month of the year
3.0
Beach & pool
9th-best month of the year

December is a reasonable time to visit Loja for sightseeing.

What to pack for Loja in December

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

In December, Loja sees daytime highs around 21°C and nights near 14°C. Pack rain gear. Worth having: sun protection. About 22 days see rain.

rain gearsun protection

UV index in Loja in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Loja peaks around February 17 at about 17 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 12 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 17UV 17Jun 23UV 12
UV index (midday)Level
Jan17Extreme
Feb18Extreme
Mar17Extreme
Apr14Extreme
May14Extreme
Jun12Extreme
Jul12Extreme
Aug12Extreme
Sep14Extreme
Oct15Extreme
Nov14Extreme
Dec14Extreme

Air quality in 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 Loja is worst in November — around 21 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (July, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 1721 µg/m³Jul 1110 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb15Moderate
Mar15Moderate
Apr14Moderate
May12Good
Jun11Good
Jul10Good
Aug14Moderate
Sep19Moderate
Oct15Moderate
Nov21Moderate
Dec17Moderate
Location & terrain

Where is Loja?

Loja sits at 4.0°S, 79.2°W, 2,060 m above sea level, in Ecuador. The nearest listed city is Catamayo, 17 km away.

Santa RosaArenillas

Topography around Loja

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

Within 3 km, the terrain around Loja has significant variations in elevation — a maximum elevation change of 316 m around an average of 2,144 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,131 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,672 m.

The land around Loja is covered by artificial surfaces (47%) and grassland (35%) within 3 km, trees (54%) and grassland (40%) within 16 km, and trees (64%) and grassland (34%) within 80 km.

3 km
316 m
16 km
2,131 m
80 km
3,672 m
treesshrubsgrasslandcroplandartificial surfaces
December weather nearby: Catamayo 17 km · Zamora 29 km · Vilcabamba 30 km · Cariamanga 54 km · Piñas 63 km · Pasaje 100 km · Santa Rosa 103 km · Arenillas 107 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 Loja (-3.9931°, -79.2042°, elevation 2,060 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).