Mollendo in Summer
In summer (December, January and February), Mollendo sees average daytime highs around 24°C and overnight lows near 19°C, with 56 mm of rain over about 19 wet days across the season. It is the warmest season of the year and the wettest season of the year.
Over the season highs climb from about 22°C in early December to 24°C by late February. The sky is clear or mostly clear about 3% of the time across summer, and the air most often feels humid.
Summer is Mollendo's 3rd-best season to visit on our travel score. For the whole year in context, see Mollendo's year-round climate.
- Avg daytime high
- 24°C
- warmest season of the year
- Avg overnight low
- 19°C
- Rainfall
- 56 mm
- 19 wet days
- Avg wind
- 10 km/h
- Travel score
- 6.7
- 3rd-best season
- Months
- Dec · Jan · Feb
Temperature in Mollendo in Summer
Over the season highs climb from about 22°C in early December to 24°C by late February.
A typical summer day in Mollendo reaches about 24°C and drops to 19°C overnight. The warmest of the three months is February, the coolest December.
Mollendo 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 | 24° / 19° | 22 | 7.5 | 12.9 | 6.7 |
| Feb | 24° / 19° | 20 | 6.7 | 12.6 | 6.7 |
| Mar | 24° / 19° | 12 | 3.9 | 12.1 | 7.2 |
| Apr | 22° / 17° | 8 | 2.3 | 11.6 | 7.3 |
| May | 21° / 15° | 11 | 3.3 | 11.2 | 6.8 |
| Jun | 18° / 14° | 19 | 6.9 | 11 | 5.8 |
| Jul | 17° / 13° | 21 | 7.6 | 11.1 | 5.3 |
| Aug | 17° / 13° | 14 | 4.9 | 11.4 | 5.7 |
| Sep | 18° / 13° | 9 | 2.7 | 11.9 | 6.5 |
| Oct | 20° / 14° | 7 | 1.2 | 12.4 | 6.9 |
| Nov | 21° / 16° | 8 | 1.9 | 12.8 | 7.0 |
| Dec | 22° / 17° | 14 | 4.4 | 13 | 6.8 |
Cloud cover in Summer
The sky is clear or mostly clear about 3% of the time across summer.
Chance of precipitation in Summer
Mollendo gets around 56 mm of rain over 19 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 10 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 54 min in early December to 12 h 24 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 6.4 kWh/m².
Is summer a good time to visit Mollendo?
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 Mollendo for sightseeing.
What to pack for Mollendo in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Mollendo sees daytime highs around 24°C and nights near 19°C. Pack sun protection. Worth having: light clothes. About 19 days see rain.
Sea temperature near Mollendo in Summer
The nearest coast averages about 22°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 16 km away) is warmest in February at about 23°C and coldest in August near 17°C.
It's comfortable for a long swim from Nov 29 to May 6 — about 5.2 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 22 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 17 | 18 | 20 | 21 |
| Comfort | Refreshing | Refreshing | Refreshing | Refreshing | Cool | Cool | Cool | Cool | Cool | Cool | Cool | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 22 | Refreshing |
| Feb | 23 | Refreshing |
| Mar | 22 | Refreshing |
| Apr | 21 | Refreshing |
| May | 20 | Cool |
| Jun | 19 | Cool |
| Jul | 18 | Cool |
| Aug | 17 | Cool |
| Sep | 17 | Cool |
| Oct | 18 | Cool |
| Nov | 20 | Cool |
| Dec | 21 | Refreshing |
UV index in Mollendo in Summer
Clear-sky midday UV across summer averages around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Mollendo peaks around February 9 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 7 (very high).
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) | 15 | 15 | 12 | 11 | 9 | 7 | 7 | 9 | 11 | 13 | 13 | 14 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | Very high | High | Very high | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 15 | Extreme |
| Mar | 12 | Extreme |
| Apr | 11 | Extreme |
| May | 9 | Very high |
| Jun | 7 | Very high |
| Jul | 7 | High |
| Aug | 9 | Very high |
| Sep | 11 | Extreme |
| Oct | 13 | Extreme |
| Nov | 13 | Extreme |
| Dec | 14 | Extreme |
Where is Mollendo?
Mollendo sits at 17.0°S, 72.0°W, 70 m above sea level, in Peru. The nearest listed city is El Pedregal, 76 km away.
Topography around Mollendo
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Mollendo.
Within 3 km, the terrain around Mollendo has significant variations in elevation — a maximum elevation change of 407 m around an average of 82 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,294 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,397 m.
The land around Mollendo is covered by bare terrain (45%) and water (36%) within 3 km, water (44%) and bare terrain (43%) within 16 km, and bare terrain (59%) and water (36%) 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 Mollendo (-17.0231°, -72.0147°, elevation 70 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.