Jaén weather in December

In December, Jaén sees average daytime highs of 30°C and overnight lows near 21°C, with 43 mm of rain across 10.1 wet days and about 12.3 hours of daylight. It is the 2nd-warmest and 9th-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 10% of the time in December, and the air most often feels humid.

Daylight stretches from about 12 h 18 min at the start of December to 12 h 18 min by month's end. Set against the rest of the year, December is Jaén's 8th-clearest and 2nd-windiest month. For the whole year in context, see Jaén's year-round climate.

Daytime high
30°
2nd warmest
Overnight low
21°
12th coldest
Rainfall
43 mm
10.1 wet days
Daylight
12 h 18 min
6:02 AM – 6:21 PM
Cloud cover
74%
8th clearest
Wind
3 km/h
2nd windiest
Solar energy
5.23 kWh/m²
Travel score
4.6
out of 10

Jaén is capital city of Jaén, Peru.

Density
1/km²
people per km²
Founded
1549

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 Jaén reaches about 30°C in the afternoon and slips back to 21°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 33°C. Set against its neighbours, December runs on par with November and on par with January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13121
23121
33121
43121
53121
63121
73121
83121
93121
103121
113021
123021
133021
143021
153021
163021
173021
183021
193021
203021
213021
223021
233021
243021
253021
263021
273021
283021
293021
303021
313021

Jaén weather by month

How December compares with the rest of the year at a glance. December is the 2nd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 21°479.812.34.7
Feb30° / 21°6212.412.24.4
Mar30° / 21°7114.3124.4
Apr29° / 20°8317.111.94.4
May28° / 20°8416.911.75.3
Jun26° / 19°7516.611.75.6
Jul26° / 18°6717.411.75.7
Aug26° / 19°5313.311.86.2
Sep28° / 19°399.9126.1
Oct30° / 20°368.312.15.2
Nov31° / 21°317.612.34.6
Dec30° / 21°4310.112.34.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 16% of December, with mostly cloudy or overcast conditions the remaining 74%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12971
22872
32872
42872
52872
62773
72773
82773
92674
102674
112674
122575
132575
142575
152476
162476
172377
182377
192377
202377
212377
222377
232476
242476
252476
262575
272674
282674
292674
302773
312872

Chance of precipitation in December

Any precipitation

Jaén gets around 43 mm of rain over 10.1 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 32% and peaks near 34% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
127
227
328
428
529
630
730
831
931
1032
1132
1233
1333
1433
1533
1633
1733
1834
1934
2034
2134
2234
2334
2433
2533
2633
2733
2833
2933
3033
3133

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 73% of days. Sticky, muggy-or-worse air turns up on roughly 16% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1677017
2677017
3677017
4677017
5567217
6567217
7567217
8467317
9467317
10367417
11367417
12367417
13267517
14267517
15267517
16277417
17177616
18187516
19187516
20197515
21197515
221107415
231107514
241117414
251127314
261127413
271127413
281137313
291137313
301137313
311147213

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 18 min at the start of December to 12 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 5:56 AM to 6:09 AM, and sunset from 6:14 PM to 6:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:566:14
212.35:566:15
312.35:566:15
412.35:576:16
512.35:576:16
612.35:576:16
712.35:586:17
812.35:586:17
912.35:596:18
1012.35:596:18
1112.35:596:19
1212.36:006:19
1312.36:006:20
1412.36:016:20
1512.36:016:21
1612.36:026:21
1712.36:026:22
1812.36:026:22
1912.36:036:23
2012.36:036:23
2112.36:046:24
2212.36:046:24
2312.36:056:25
2412.36:056:25
2512.36:066:26
2612.36:066:26
2712.36:076:26
2812.36:076:27
2912.36:086:27
3012.36:086:28
3112.36:096:28

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.23 kWh/m².

For context, solar energy here swings from a low near 3.82 kWh/m² to a high of 5.78 kWh/m² in November across the year — December's 5.23 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.4Bright
75.4Bright
85.4Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in December

Is December a good time to visit Jaén?

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
6.5
Beach & pool
4th-best month of the year

December is a reasonable time to visit Jaén for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Jaén in December

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

In December, Jaén sees daytime highs around 30°C and nights near 21°C. Pack light clothes. Worth having: rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in Jaén in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Jaén peaks around February 15 at about 17 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 13 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 15UV 17Jul 13UV 11
UV index (midday)Level
Jan16Extreme
Feb17Extreme
Mar16Extreme
Apr13Extreme
May13Extreme
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct15Extreme
Nov13Extreme
Dec13Extreme

Air quality in Jaén 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 Jaén is worst in November — around 18 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (July, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 1418 µg/m³Jul 108 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb13Moderate
Mar13Moderate
Apr12Moderate
May10Good
Jun8Good
Jul8Good
Aug12Good
Sep18Moderate
Oct14Moderate
Nov18Moderate
Dec12Good
Location & terrain

Where is Jaén?

Jaén sits at 5.7°S, 78.8°W, 730 m above sea level, in Peru. The nearest listed city is Bagua Grande, 41 km away.

ChachapoyasChongoyapePátapoFerreñafePicsiSaña

Topography around Jaén

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

Within 3 km, the terrain around Jaén has large variations in elevation — a maximum elevation change of 752 m around an average of 860 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,515 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,781 m.

The land around Jaén is covered by trees (35%), grassland (34%) and artificial surfaces (21%) within 3 km, trees (54%) and grassland (39%) within 16 km, and trees (60%) and grassland (38%) within 80 km.

3 km
752 m
16 km
2,515 m
80 km
3,781 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Bagua Grande 41 km · La Peca 43 km · Chachapoyas 119 km · Chongoyape 122 km · Pátapo 146 km · Ferreñafe 150 km · Picsi 155 km · Saña 160 km

Peru travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B / C
220 V · 60 Hz
Prices
≈ 51% of US
price level, 2025
GDP per capita
$9,684
2025
Happiness
6.0 / 10
World Happiness, 2025
Safe drinking water
49%
of population, 2024
Homicide rate
8.6
per 100k, 2021
Road deaths
13.6
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 519
Religion
Catholic 76%Evangelical Christian 16%no religion 5%other religions 3%

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 Jaén (-5.7073°, -78.8079°, elevation 730 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).