Chulucanas in Summer
In summer (December, January and February), Chulucanas sees average daytime highs around 31°C and overnight lows near 21°C, with 358 mm of rain over about 41 wet days across the season. It is the warmest season of the year and the 2nd-wettest season.
Across summer, daytime highs hold fairly steady around 31°C. The sky is clear or mostly clear about 6% of the time across summer, and the air most often feels muggy.
Summer is Chulucanas's weakest season of the year to visit on our travel score. For the whole year in context, see Chulucanas's year-round climate.
- Avg daytime high
- 31°C
- warmest season of the year
- Avg overnight low
- 21°C
- Rainfall
- 358 mm
- 41 wet days
- Avg wind
- 6 km/h
- Travel score
- 3.9
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Chulucanas in Summer
Across summer, daytime highs hold fairly steady around 31°C.
A typical summer day in Chulucanas reaches about 31°C and drops to 21°C overnight. The warmest of the three months is January, the coolest December.
How summer really feels in Chulucanas
Once humidity and wind are folded in, summer brings about 61 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.
Chulucanas 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 | 32° / 21° | 100 | 12.7 | 12.3 | 3.7 |
| Feb | 31° / 22° | 204 | 20.3 | 12.2 | 3.1 |
| Mar | 31° / 22° | 313 | 22.9 | 12 | 3.0 |
| Apr | 31° / 21° | 134 | 15.2 | 11.9 | 3.8 |
| May | 30° / 20° | 24 | 6.2 | 11.8 | 5.3 |
| Jun | 29° / 18° | 5 | 1.6 | 11.7 | 6.9 |
| Jul | 28° / 17° | 2 | 0.6 | 11.7 | 8.2 |
| Aug | 27° / 17° | 2 | 0.6 | 11.8 | 8.3 |
| Sep | 28° / 17° | 6 | 1.6 | 12 | 7.4 |
| Oct | 29° / 18° | 14 | 4.3 | 12.1 | 6.3 |
| Nov | 29° / 18° | 25 | 5.9 | 12.2 | 5.7 |
| Dec | 30° / 19° | 54 | 8.3 | 12.3 | 4.8 |
Cloud cover in Summer
The sky is clear or mostly clear about 6% of the time across summer.
Chance of precipitation in Summer
Chulucanas gets around 358 mm of rain over 41 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 6 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 5.3 kWh/m².
Hazard calendar for Chulucanas
In summer, Chulucanas overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
Chulucanas's monsoon runs February–March, when most of the year's rain falls.
Is summer a good time to visit Chulucanas?
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 Chulucanas.
What to pack for Chulucanas in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Chulucanas sees daytime highs around 31°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 41 days see rain.
UV index in Chulucanas 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 Chulucanas peaks around February 17 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 | 16 | 13 | 13 | 10 | 11 | 11 | 13 | 14 | 13 | 13 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 16 | Extreme |
| Feb | 16 | Extreme |
| Mar | 16 | Extreme |
| Apr | 13 | Extreme |
| May | 13 | Extreme |
| Jun | 10 | Extreme |
| Jul | 11 | Extreme |
| Aug | 11 | Extreme |
| Sep | 13 | Extreme |
| Oct | 14 | Extreme |
| Nov | 13 | Extreme |
| Dec | 13 | Extreme |
Air quality in Chulucanas 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 Chulucanas is worst in November — around 15 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (August, 7 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 | 12 | 13 | 13 | 12 | 10 | 8 | 7 | 8 | 11 | 15 | 12 |
| Level | Good | Good | Moderate | Moderate | Good | Good | Good | Good | Good | Good | Moderate | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 12 | Good |
| Feb | 12 | Good |
| Mar | 13 | Moderate |
| Apr | 13 | Moderate |
| May | 12 | Good |
| Jun | 10 | Good |
| Jul | 8 | Good |
| Aug | 7 | Good |
| Sep | 8 | Good |
| Oct | 11 | Good |
| Nov | 15 | Moderate |
| Dec | 12 | Good |
Where is Chulucanas?
Chulucanas sits at 5.1°S, 80.2°W, 92 m above sea level, in Peru. The nearest listed city is Tambo Grande, 27 km away.
Topography around Chulucanas
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Chulucanas.
Within 3 km, the terrain around Chulucanas has only modest variations in elevation — a maximum elevation change of 84 m around an average of 92 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,263 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,894 m.
The land around Chulucanas is covered by grassland (33%) and trees (31%) within 3 km, shrubs (44%) and grassland (30%) within 16 km, and shrubs (32%) and grassland (26%) 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 Chulucanas (-5.0925°, -80.1625°, elevation 92 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.