Juanjuí in Summer
In summer (December, January and February), Juanjuí sees average daytime highs around 30°C and overnight lows near 21°C, with 672 mm of rain over about 74 wet days across the season. It is the 2nd-warmest season and the wettest season of the year.
Across summer, daytime highs hold fairly steady around 30°C. The sky is clear or mostly clear about 4% of the time across summer, and the air most often feels oppressive.
Summer is Juanjuí's weakest season of the year to visit on our travel score. For the whole year in context, see Juanjuí's year-round climate.
- Avg daytime high
- 30°C
- 2nd-warmest season
- Avg overnight low
- 21°C
- Rainfall
- 672 mm
- 74 wet days
- Avg wind
- 3 km/h
- Travel score
- 3.2
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Juanjuí in Summer
Across summer, daytime highs hold fairly steady around 30°C.
A typical summer day in Juanjuí reaches about 30°C and drops to 21°C overnight. The warmest of the three months is December, the coolest February.
How summer really feels in Juanjuí
Once humidity and wind are folded in, summer brings about 90 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Juanjuí 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° | 221 | 25 | 12.4 | 3.3 |
| Feb | 29° / 21° | 214 | 23 | 12.2 | 3.2 |
| Mar | 29° / 21° | 227 | 25.5 | 12 | 3.3 |
| Apr | 29° / 21° | 167 | 21.6 | 11.8 | 3.7 |
| May | 29° / 21° | 117 | 17.6 | 11.7 | 4.4 |
| Jun | 29° / 20° | 73 | 12.4 | 11.6 | 5.3 |
| Jul | 29° / 20° | 60 | 10.4 | 11.6 | 5.6 |
| Aug | 30° / 20° | 61 | 9.3 | 11.8 | 5.1 |
| Sep | 31° / 21° | 88 | 13.3 | 12 | 4.1 |
| Oct | 31° / 21° | 169 | 20.8 | 12.2 | 3.4 |
| Nov | 30° / 21° | 233 | 24.4 | 12.3 | 3.1 |
| Dec | 30° / 21° | 237 | 25.9 | 12.4 | 3.2 |
Cloud cover in Summer
The sky is clear or mostly clear about 4% of the time across summer.
Chance of precipitation in Summer
Juanjuí gets around 672 mm of rain over 74 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels oppressive — 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 24 min in early December to 12 h 12 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 5.2 kWh/m².
Is summer a good time to visit Juanjuí?
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 weaker month for outdoor sightseeing in Juanjuí.
What to pack for Juanjuí in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Juanjuí sees daytime highs around 30°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 74 days see rain.
UV index in Juanjuí 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 Juanjuí peaks around February 13 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 10 (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 | 16 | 15 | 12 | 12 | 10 | 10 | 11 | 10 | 13 | 13 | 13 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 16 | Extreme |
| Feb | 16 | Extreme |
| Mar | 15 | Extreme |
| Apr | 12 | Extreme |
| May | 12 | Extreme |
| Jun | 10 | Very high |
| Jul | 10 | Extreme |
| Aug | 11 | Extreme |
| Sep | 10 | Extreme |
| Oct | 13 | Extreme |
| Nov | 13 | Extreme |
| Dec | 13 | Extreme |
Air quality in Juanjuí 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 Juanjuí is worst in August — around 63 µg/m³ PM2.5 (unhealthy), about 5.9× the cleanest month (May, 11 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) | 23 | 20 | 16 | 13 | 11 | 11 | 16 | 63 | 50 | 17 | 13 | 15 |
| Level | Moderate | Moderate | Moderate | Moderate | Good | Good | Moderate | Unhealthy | Poor | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 23 | Moderate |
| Feb | 20 | Moderate |
| Mar | 16 | Moderate |
| Apr | 13 | Moderate |
| May | 11 | Good |
| Jun | 11 | Good |
| Jul | 16 | Moderate |
| Aug | 63 | Unhealthy |
| Sep | 50 | Poor |
| Oct | 17 | Moderate |
| Nov | 13 | Moderate |
| Dec | 15 | Moderate |
Where is Juanjuí?
Juanjuí sits at 7.2°S, 76.7°W, 278 m above sea level, in Peru. The nearest listed city is Bellavista, 20 km away.
Topography around Juanjuí
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Juanjuí.
Within 3 km, the terrain around Juanjuí has only modest variations in elevation — a maximum elevation change of 210 m around an average of 299 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 897 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,562 m.
The land around Juanjuí is covered by trees (56%) within 3 km, trees (82%) within 16 km, and trees (93%) 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 Juanjuí (-7.177°, -76.7277°, elevation 278 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.