Jaén weather in January

In January, Jaén sees average daytime highs of 30°C and overnight lows near 21°C, with 47 mm of rain across 9.8 wet days and about 12.3 hours of daylight. It is the 3rd-warmest and 8th-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 7% of the time in January, and the air most often feels humid.

Daylight stretches from about 12 h 18 min at the start of January to 12 h 12 min by month's end. Set against the rest of the year, January is Jaén's 9th-clearest and 2nd-windiest month. For the whole year in context, see Jaén's year-round climate.

Daytime high
30°
3rd warmest
Overnight low
21°
11th coldest
Rainfall
47 mm
9.8 wet days
Daylight
12 h 18 min
6:16 AM – 6:33 PM
Cloud cover
74%
9th clearest
Wind
3 km/h
2nd windiest
Solar energy
5.07 kWh/m²
Travel score
4.7
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 January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical January day in Jaén reaches about 30°C in the afternoon and slips back to 21°C overnight — a 9°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, January runs on par with December and on par with February.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13021
23021
33021
43021
53021
63021
73021
83021
93021
103021
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 January compares with the rest of the year at a glance. January is the 3rd-warmest and 8th-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 16% of January, with mostly cloudy or overcast conditions the remaining 76%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12872
22872
32872
42971
52971
62971
72971
82872
92872
102773
112674
122674
132476
142476
152377
162278
172278
182179
192179
202179
212179
222179
232179
242080
252080
262080
272080
282080
292080
301981
311981

Chance of precipitation in January

Any precipitation

Jaén gets around 47 mm of rain over 9.8 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 33% and peaks near 38% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
132
232
332
432
531
631
731
831
931
1031
1131
1231
1331
1431
1532
1632
1732
1833
1933
2033
2133
2233
2333
2433
2534
2634
2735
2835
2936
3037
3138

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the humid band about 67% of days. Sticky, muggy-or-worse air turns up on roughly 16% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11147213
21147213
31147213
41147213
52157013
62157013
72157013
82156914
92156914
103156814
113156814
123156715
134156615
144156615
154156516
164156516
174156417
184146517
194146517
204146418
213146518
223146518
233146419
243146419
252146519
262146519
272136619
282136520
291136620
301136521
311136521

Wind in January

Winds average 3 km/h in January.

Across January, 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 January

DaylightNight

Daylight runs from about 12 h 18 min at the start of January to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over January. Sunrise moves from 6:09 AM to 6:21 AM, and sunset from 6:28 PM to 6:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:096:28
212.36:096:29
312.36:106:29
412.36:106:29
512.36:116:30
612.36:116:30
712.36:126:31
812.36:126:31
912.36:126:31
1012.36:136:32
1112.36:136:32
1212.36:146:32
1312.36:146:33
1412.36:156:33
1512.36:156:33
1612.36:166:33
1712.36:166:34
1812.36:166:34
1912.36:176:34
2012.36:176:34
2112.36:186:35
2212.36:186:35
2312.36:186:35
2412.36:196:35
2512.36:196:35
2612.36:196:36
2712.36:206:36
2812.36:206:36
2912.36:206:36
3012.36:216:36
3112.26:216:36

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.07 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 — January's 5.07 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in January

Is January a good time to visit Jaén?

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

4.7
Sightseeing
7th-best month of the year
6.5
Beach & pool
5th-best month of the year

January 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 January

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

In January, 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 January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 16 (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 January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January 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
January 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).