Tacna in Fall
In fall (March, April and May), Tacna sees average daytime highs around 24°C and overnight lows near 16°C, with 20 mm of rain over about 5 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 25°C in early March to 21°C by late May. The sky is clear or mostly clear about 28% of the time across fall, and the air most often feels comfortable.
Fall is Tacna's 2nd-best season to visit on our travel score. For the whole year in context, see Tacna's year-round climate.
- Avg daytime high
- 24°C
- 2nd-warmest season
- Avg overnight low
- 16°C
- Rainfall
- 20 mm
- 5 wet days
- Avg wind
- 7 km/h
- Travel score
- 8.1
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in Tacna in Fall
Over the season highs ease from about 25°C in early March to 21°C by late May.
A typical fall day in Tacna reaches about 24°C and drops to 16°C overnight. The warmest of the three months is March, the coolest May.
Tacna weather by month
How the three fall months (March, April and May) 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 | 25° / 17° | 23 | 6.5 | 13 | 7.0 |
| Feb | 25° / 18° | 23 | 6.9 | 12.6 | 6.8 |
| Mar | 25° / 17° | 14 | 4.1 | 12.1 | 7.6 |
| Apr | 24° / 16° | 2 | 0.4 | 11.6 | 8.6 |
| May | 22° / 15° | 4 | 0.4 | 11.2 | 8.2 |
| Jun | 21° / 14° | 5 | 0.4 | 10.9 | 7.8 |
| Jul | 20° / 13° | 4 | 0.5 | 11 | 7.7 |
| Aug | 20° / 14° | 4 | 0.5 | 11.4 | 7.9 |
| Sep | 21° / 14° | 2 | 0.2 | 11.9 | 8.1 |
| Oct | 22° / 15° | 1 | 0 | 12.4 | 8.2 |
| Nov | 23° / 15° | 1 | 0.2 | 12.8 | 8.5 |
| Dec | 24° / 16° | 6 | 1.4 | 13.1 | 8.1 |
Cloud cover in Fall
The sky is clear or mostly clear about 28% of the time across fall.
Chance of precipitation in Fall
Tacna gets around 20 mm of rain over 5 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 7 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 24 min in early March to 11 hours by late May. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 5.9 kWh/m².
Is fall a good time to visit Tacna?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is one of the better times to visit Tacna for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Tacna in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Tacna sees daytime highs around 24°C and nights near 16°C. Pack sun protection. Worth having: light clothes. About 5 days see rain.
Sea temperature near Tacna in Fall
The nearest coast averages about 21°C across fall — 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.
| 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 Tacna in Fall
Clear-sky midday UV across fall averages 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 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 16 | 16 | 13 | 12 | 9 | 7 | 7 | 10 | 12 | 14 | 14 | 14 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 16 | Extreme |
| Feb | 16 | Extreme |
| Mar | 13 | Extreme |
| Apr | 12 | Extreme |
| May | 9 | Very high |
| Jun | 7 | Very high |
| Jul | 7 | Very high |
| Aug | 10 | Very high |
| Sep | 12 | Extreme |
| Oct | 14 | Extreme |
| Nov | 14 | Extreme |
| Dec | 14 | Extreme |
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.
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.
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 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.