Tacna weather in October

In October, Tacna sees average daytime highs of 22°C and overnight lows near 15°C, with 1 mm of rain across 0 wet days and about 12.4 hours of daylight. It is the 7th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 22°C through the month. The sky is clear or mostly clear about 30% of the time in October, and the air most often feels dry.

Daylight stretches from about 12 h 12 min at the start of October to 12 h 42 min by month's end. Set against the rest of the year, October is Tacna's 8th-clearest and 5th-windiest month. For the whole year in context, see Tacna's year-round climate.

Daytime high
22°
7th warmest
Overnight low
15°
5th coldest
Rainfall
1 mm
0 wet days
Daylight
12 h 24 min
5:14 AM – 5:39 PM
Cloud cover
55%
8th clearest
Wind
7 km/h
5th windiest
Solar energy
7.27 kWh/m²
Travel score
8.2
out of 10

Tacna is city of Peru, capital of Tacna region.

Founded
1875

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

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 22°C through the month.

A typical October day in Tacna reaches about 22°C in the afternoon and slips back to 15°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 24°C. Set against its neighbours, October runs about 1°C warmer than September and about 1°C cooler than November.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12214
22214
32214
42214
52214
62214
72215
82215
92215
102215
112215
122215
132215
142215
152215
162215
172215
182215
192215
202215
212215
222215
232215
242315
252315
262315
272315
282315
292315
302315
312315

Tacna weather by month

How October compares with the rest of the year at a glance. October is the 7th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 17°236.5137.0
Feb25° / 18°236.912.66.8
Mar25° / 17°144.112.17.6
Apr24° / 16°20.411.68.6
May22° / 15°40.411.28.2
Jun21° / 14°50.410.97.8
Jul20° / 13°40.5117.7
Aug20° / 14°40.511.47.9
Sep21° / 14°20.211.98.1
Oct22° / 15°1012.48.2
Nov23° / 15°10.212.88.5
Dec24° / 16°61.413.18.1

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 32% of October, with mostly cloudy or overcast conditions the remaining 39%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16931
26931
36832
46733
56733
66634
76634
86535
96436
106337
116337
126139
136139
146040
155941
165941
175743
185743
195743
205743
215743
225743
235743
245743
255743
265842
275941
285941
296139
306139
316139

Chance of precipitation in October

Any precipitation

Tacna gets around 1 mm of rain over 0 wet days in October. 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 October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the dry band about 93% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1964
2964
3964
4964
5955
6955
7955
8955
9955
10946
11946
12946
13946
14937
15937
16937
17937
18937
19928
20928
21928
22928
23919
24919
25919
26919
279010
289010
298911
308911
318911

Wind in October

Winds average 7 km/h in October.

Across October, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 12 min at the start of October to 12 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over October. Sunrise moves from 5:25 AM to 5:05 AM, and sunset from 5:35 PM to 5:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:255:35
212.25:245:35
312.25:235:35
412.25:235:35
512.25:225:36
612.25:215:36
712.35:205:36
812.35:195:36
912.35:195:37
1012.35:185:37
1112.35:175:37
1212.35:165:37
1312.45:165:38
1412.45:155:38
1512.45:145:38
1612.45:145:39
1712.45:135:39
1812.45:125:39
1912.55:125:39
2012.55:115:40
2112.55:105:40
2212.55:105:41
2312.55:095:41
2412.55:095:41
2512.65:085:42
2612.65:075:42
2712.65:075:42
2812.65:065:43
2912.65:065:43
3012.65:055:44
3112.75:055:44

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 7.27 kWh/m².

For context, solar energy here swings from a low near 4.34 kWh/m² to a high of 7.94 kWh/m² in November across the year — October's 7.27 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
16.8Intense
26.8Intense
36.9Intense
46.9Intense
56.9Intense
67.0Intense
77.0Intense
87.0Intense
97.0Intense
107.1Intense
117.1Intense
127.1Intense
137.2Intense
147.2Intense
157.2Intense
167.3Intense
177.3Intense
187.3Intense
197.4Intense
207.4Intense
217.5Intense
227.5Intense
237.5Intense
247.6Intense
257.6Intense
267.6Intense
277.7Intense
287.7Intense
297.7Intense
307.7Intense
317.8Intense
Planning a trip in October

Is October a good time to visit Tacna?

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

8.2
Sightseeing
3rd-best month of the year
5.9
Beach & pool
8th-best month of the year

October is one of the better times to visit Tacna for general sightseeing.

What to pack for Tacna in October

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

In October, Tacna sees daytime highs around 22°C and nights near 15°C. Pack sun protection. Worth having: light clothes.

sun protectionlight clothes

Sea temperature near Tacna in October

The nearest coast averages about 18°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 41 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 26 to May 7 — 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
Mar22Refreshing
Apr21Refreshing
May20Cool
Jun19Cool
Jul18Cool
Aug17Cool
Sep17Cool
Oct18Cool
Nov20Cool
Dec21Refreshing

UV index in Tacna in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks 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 Tacna peaks around February 9 at about 16 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 9UV 16Jul 10UV 7
UV index (midday)Level
Jan16Extreme
Feb16Extreme
Mar13Extreme
Apr12Extreme
May9Very high
Jun7Very high
Jul7Very high
Aug10Very high
Sep12Extreme
Oct14Extreme
Nov14Extreme
Dec14Extreme
Location & terrain

Where is Tacna?

Tacna sits at 18.0°S, 70.3°W, 567 m above sea level, in Peru. The nearest listed city is Arica, 51 km away.

San AntonioMoqueguaIloMollendoCiudad SateliteJacobo HunterIlave

Topography around Tacna

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Tacna.

Within 3 km, the terrain around Tacna has significant variations in elevation — a maximum elevation change of 309 m around an average of 582 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,180 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,938 m.

The land around Tacna is covered by artificial surfaces (54%) and bare terrain (35%) within 3 km, bare terrain (90%) within 16 km, and bare terrain (71%) within 80 km.

3 km
309 m
16 km
1,180 m
80 km
5,938 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Arica 51 km · San Antonio 114 km · Moquegua 116 km · Ilo 123 km · Mollendo 217 km · Ciudad Satelite 222 km · Jacobo Hunter 223 km · Ilave 224 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 Tacna (-18.0146°, -70.2536°, elevation 567 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).