Sullana weather in August

In August, Sullana sees average daytime highs of 27°C and overnight lows near 17°C, with 0 mm of rain across 0.1 wet days and about 11.8 hours of daylight. It is the 12th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 66% of the time in August, and the air most often feels comfortable.

Daylight stretches from about 11 h 48 min at the start of August to 11 h 54 min by month's end. Set against the rest of the year, August is Sullana's 1st-clearest and 3rd-windiest month. For the whole year in context, see Sullana's year-round climate.

Daytime high
27°
12th warmest
Overnight low
17°
1st coldest
Rainfall
0 mm
0.1 wet days
Daylight
11 h 48 min
6:32 AM – 6:22 PM
Cloud cover
34%
1st clearest
Wind
11 km/h
3rd windiest
Solar energy
6.18 kWh/m²
Travel score
8.4
out of 10

Sullana is city in Piura, Peru.

Founded
1783

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical August day in Sullana reaches about 27°C in the afternoon and slips back to 17°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 29°C. Set against its neighbours, August runs on par with July and on par with September.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12717
22717
32717
42717
52717
62717
72717
82717
92717
102717
112717
122717
132717
142717
152717
162717
172717
182717
192717
202717
212717
222717
232717
242717
252717
262717
272717
282717
292717
302717
312717

How August really feels in Sullana

Once humidity and wind are folded in, August averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

August 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 August compares with the rest of the year at a glance. August is the 12th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 22°355.212.33.8
Feb33° / 23°759.912.23.1
Mar33° / 23°11411.2123.0
Apr33° / 22°426.511.93.7
May32° / 20°51.811.85.1
Jun29° / 19°20.811.76.8
Jul28° / 18°10.211.78.1
Aug27° / 17°00.111.88.4
Sep28° / 17°10.4127.7
Oct29° / 18°30.912.16.8
Nov30° / 18°71.812.26.1
Dec31° / 20°193.812.35.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 66% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 17% of August, with mostly cloudy or overcast conditions the remaining 17%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18515
28515
38614
48614
58614
68614
78614
88614
98614
108614
118515
128515
138416
148416
158416
168416
178416
188416
198218
208218
218218
228218
238218
248218
258119
268119
278119
288020
298020
307921
317822

Chance of precipitation in August

Any precipitation

Sullana gets around 0 mm of rain over 0.1 wet days in August, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 0% and peaks near 0% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
260
270
280
290
300
310

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the comfortable band about 54% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)
153443
254433
354433
454433
554433
654433
754433
854433
954433
1054433
1154433
1254433
1354433
1454433
1554433
1654433
1754433
1855423
1955423
2055423
2155423
2255423
2355423
2455423
2556413
2656413
2756413
2856413
2956413
3056413
3156413

Wind in August

Winds average 11 km/h in August.

Across August, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 11 h 48 min at the start of August to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over August. Sunrise moves from 6:35 AM to 6:26 AM, and sunset from 6:22 PM to 6:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:356:22
211.86:356:22
311.86:356:22
411.86:356:22
511.86:356:22
611.86:346:22
711.86:346:22
811.86:346:22
911.86:346:22
1011.86:336:22
1111.86:336:22
1211.86:336:22
1311.86:336:22
1411.86:326:22
1511.86:326:22
1611.86:326:22
1711.86:316:22
1811.86:316:22
1911.96:316:22
2011.96:306:22
2111.96:306:21
2211.96:306:21
2311.96:296:21
2411.96:296:21
2511.96:286:21
2611.96:286:21
2711.96:286:21
2811.96:276:20
2911.96:276:20
3011.96:266:20
3111.96:266:20

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.18 kWh/m².

For context, solar energy here swings from a low near 5.29 kWh/m² to a high of 6.72 kWh/m² in October across the year — August's 6.18 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
46.0Bright
56.0Bright
66.0Intense
76.0Intense
86.0Intense
96.0Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.1Intense
156.2Intense
166.2Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.4Intense
296.4Intense
306.4Intense
316.4Intense
Planning a trip in August

Is August a good time to visit Sullana?

Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

8.4
Sightseeing
1st-best month of the year
8.6
Beach & pool
3rd-best month of the year

August 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 August

From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In August, Sullana sees daytime highs around 27°C and nights near 17°C. Pack light clothes and sun protection.

light clothessun protection

Sea temperature near Sullana in August

The nearest coast averages about 18°C in August — 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.

16°18°20°22°24°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan22Refreshing
Feb23Refreshing
Mar23Refreshing
Apr21Refreshing
May20Refreshing
Jun19Cool
Jul19Cool
Aug18Cool
Sep18Cool
Oct19Cool
Nov19Cool
Dec20Refreshing

UV index in Sullana in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 11 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 17UV 16Jun 23UV 10
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar15Extreme
Apr13Extreme
May13Extreme
Jun10Extreme
Jul10Extreme
Aug11Extreme
Sep12Extreme
Oct14Extreme
Nov13Extreme
Dec13Extreme
Location & terrain

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.

3 km
71 m
16 km
143 m
80 km
2,919 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Marcavelica 4.0 km · Querecotillo 9.0 km · Piura 31 km · San Martin 31 km · Tambo Grande 38 km · Catacaos 40 km · Paita 52 km · La Unión 56 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
Catholic 76%Evangelical Christian 16%no religion 5%other religions 3%

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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).