Sullana in Winter
In winter (June, July and August), Sullana sees average daytime highs around 28°C and overnight lows near 18°C, with 3 mm of rain over about 1 wet days across the season. It is the coldest season of the year and the driest season of the year.
Over the season highs ease from about 30°C in early June to 27°C by late August. The sky is clear or mostly clear about 61% of the time across winter, and the air most often feels humid.
Winter is Sullana's best season of the year to visit on our travel score. For the whole year in context, see Sullana's year-round climate.
- Avg daytime high
- 28°C
- coldest season of the year
- Avg overnight low
- 18°C
- Rainfall
- 3 mm
- 1 wet days
- Avg wind
- 11 km/h
- Travel score
- 7.8
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Sullana in Winter
Over the season highs ease from about 30°C in early June to 27°C by late August.
A typical winter day in Sullana reaches about 28°C and drops to 18°C overnight. The warmest of the three months is June, the coolest August.
How winter really feels in Sullana
Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
winter sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Sullana weather by month
How the three winter months (June, July and August) 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 | 33° / 22° | 35 | 5.2 | 12.3 | 3.8 |
| Feb | 33° / 23° | 75 | 9.9 | 12.2 | 3.1 |
| Mar | 33° / 23° | 114 | 11.2 | 12 | 3.0 |
| Apr | 33° / 22° | 42 | 6.5 | 11.9 | 3.7 |
| May | 32° / 20° | 5 | 1.8 | 11.8 | 5.1 |
| Jun | 29° / 19° | 2 | 0.8 | 11.7 | 6.8 |
| Jul | 28° / 18° | 1 | 0.2 | 11.7 | 8.1 |
| Aug | 27° / 17° | 0 | 0.1 | 11.8 | 8.4 |
| Sep | 28° / 17° | 1 | 0.4 | 12 | 7.7 |
| Oct | 29° / 18° | 3 | 0.9 | 12.1 | 6.8 |
| Nov | 30° / 18° | 7 | 1.8 | 12.2 | 6.1 |
| Dec | 31° / 20° | 19 | 3.8 | 12.3 | 5.0 |
Cloud cover in Winter
The sky is clear or mostly clear about 61% of the time across winter.
Chance of precipitation in Winter
Sullana gets around 3 mm of rain over 1 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 11 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 11 h 42 min in early June to 11 h 54 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 5.8 kWh/m².
Is winter a good time to visit Sullana?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is one of the better times to visit Sullana for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Sullana in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Sullana sees daytime highs around 28°C and nights near 18°C. Pack light clothes and sun protection.
Sea temperature near Sullana in Winter
The nearest coast averages about 19°C across winter — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 49 km away) is warmest in February at about 23°C and coldest in August near 18°C.
It's comfortable for a long swim from Dec 15 to May 28 — about 5.4 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 | 23 | 21 | 20 | 19 | 19 | 18 | 18 | 19 | 19 | 20 |
| Comfort | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Cool | Cool | Cool | Cool | Cool | Cool | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 22 | Refreshing |
| Feb | 23 | Refreshing |
| Mar | 23 | Refreshing |
| Apr | 21 | Refreshing |
| May | 20 | Refreshing |
| Jun | 19 | Cool |
| Jul | 19 | Cool |
| Aug | 18 | Cool |
| Sep | 18 | Cool |
| Oct | 19 | Cool |
| Nov | 19 | Cool |
| Dec | 20 | Refreshing |
UV index in Sullana in Winter
Clear-sky midday UV across winter averages around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Sullana 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) | 15 | 16 | 15 | 13 | 13 | 10 | 10 | 11 | 12 | 14 | 13 | 13 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 16 | Extreme |
| Mar | 15 | Extreme |
| Apr | 13 | Extreme |
| May | 13 | Extreme |
| Jun | 10 | Extreme |
| Jul | 10 | Extreme |
| Aug | 11 | Extreme |
| Sep | 12 | Extreme |
| Oct | 14 | Extreme |
| Nov | 13 | Extreme |
| Dec | 13 | Extreme |
Where is Sullana?
Sullana sits at 4.9°S, 80.7°W, 60 m above sea level, in Peru. The nearest listed city is Marcavelica, 4.0 km away.
Topography around Sullana
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sullana.
Within 3 km, the terrain around Sullana has only modest variations in elevation — a maximum elevation change of 71 m around an average of 61 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 143 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,919 m.
The land around Sullana is covered by artificial surfaces (41%) and trees (22%) within 3 km, shrubs (28%) and bare terrain (28%) within 16 km, and shrubs (31%) and bare terrain (30%) 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 Sullana (-4.9039°, -80.6853°, elevation 60 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.