Jaén in Summer
In summer (December, January and February), Jaén sees average daytime highs around 30°C and overnight lows near 21°C, with 152 mm of rain over about 32 wet days across the season. It is the warmest season of the year and the 3rd-wettest season.
Across summer, daytime highs hold fairly steady around 30°C. The sky is clear or mostly clear about 6% of the time across summer, and the air most often feels humid.
Summer is Jaén's weakest season of the year to visit on our travel score. For the whole year in context, see Jaén's year-round climate.
- Avg daytime high
- 30°C
- warmest season of the year
- Avg overnight low
- 21°C
- Rainfall
- 152 mm
- 32 wet days
- Avg wind
- 3 km/h
- Travel score
- 4.6
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Jaén in Summer
Across summer, daytime highs hold fairly steady around 30°C.
A typical summer day in Jaén reaches about 30°C and drops to 21°C overnight. The warmest of the three months is December, the coolest February.
Jaén weather by month
How the three summer months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 30° / 21° | 47 | 9.8 | 12.3 | 4.7 |
| Feb | 30° / 21° | 62 | 12.4 | 12.2 | 4.4 |
| Mar | 30° / 21° | 71 | 14.3 | 12 | 4.4 |
| Apr | 29° / 20° | 83 | 17.1 | 11.9 | 4.4 |
| May | 28° / 20° | 84 | 16.9 | 11.7 | 5.3 |
| Jun | 26° / 19° | 75 | 16.6 | 11.7 | 5.6 |
| Jul | 26° / 18° | 67 | 17.4 | 11.7 | 5.7 |
| Aug | 26° / 19° | 53 | 13.3 | 11.8 | 6.2 |
| Sep | 28° / 19° | 39 | 9.9 | 12 | 6.1 |
| Oct | 30° / 20° | 36 | 8.3 | 12.1 | 5.2 |
| Nov | 31° / 21° | 31 | 7.6 | 12.3 | 4.6 |
| Dec | 30° / 21° | 43 | 10.1 | 12.3 | 4.6 |
Cloud cover in Summer
The sky is clear or mostly clear about 6% of the time across summer.
Chance of precipitation in Summer
Jaén gets around 152 mm of rain over 32 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 3 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 18 min in early December to 12 h 06 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 5.1 kWh/m².
Is summer a good time to visit Jaén?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer 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 Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Jaén sees daytime highs around 30°C and nights near 21°C. Pack light clothes. Worth having: rain gear and sun protection. About 32 days see rain.
UV index in Jaén in Summer
Clear-sky midday UV across summer averages around 15 (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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 16 | 17 | 16 | 13 | 13 | 11 | 11 | 11 | 13 | 15 | 13 | 13 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 16 | Extreme |
| Feb | 17 | Extreme |
| Mar | 16 | Extreme |
| Apr | 13 | Extreme |
| May | 13 | Extreme |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 11 | Extreme |
| Sep | 13 | Extreme |
| Oct | 15 | Extreme |
| Nov | 13 | Extreme |
| Dec | 13 | Extreme |
Air quality in Jaén in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer 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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 12 | 13 | 13 | 12 | 10 | 8 | 8 | 12 | 18 | 14 | 18 | 12 |
| Level | Good | Moderate | Moderate | Moderate | Good | Good | Good | Good | Moderate | Moderate | Moderate | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 12 | Good |
| Feb | 13 | Moderate |
| Mar | 13 | Moderate |
| Apr | 12 | Moderate |
| May | 10 | Good |
| Jun | 8 | Good |
| Jul | 8 | Good |
| Aug | 12 | Good |
| Sep | 18 | Moderate |
| Oct | 14 | Moderate |
| Nov | 18 | Moderate |
| Dec | 12 | Good |
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.
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.
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
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.