Cool
Average highs are around 20°C, so pack for cooler days.
Weather Guide
Tacna, Peru Average Monthly Weather
Weather score64Good annual avg
Best months: February, March, January
Across the year, average daytime temperatures are around 23°C, sunshine averages 7.4h per day, and rainfall totals about 23mm. Sea temperatures average 19°C across the year.
Annual weather
Annual averages
Temp
23°C
Rain
23mm
Annual total
Sun
7.4h
Sea
19°C
Weather score
64
Good avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 5mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 7.5h per day, enough for a balanced month.
Cool sea
Sea temperatures average 17°C, so the water can feel cool.
Map
Weather map
Compare Tacna, Peru with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August20°C average high
August has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsJanuary to March and December
This stretch sets the upper range for average daytime heat.
Rain
August5mm average rain
August is close to Tacna's usual rainfall pattern, with little seasonal change across the year.
Driest monthsAll year
Rainfall stays comparatively low through the year.
Sun
August7.5 hours average sun
August sits close to Tacna's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsApril to June, August, and October to December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
August17°C average sea
August is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJanuary to March
Sea temperatures are usually near 22°C in this stretch, so swimming comfort is at its strongest.
Weather score
August54 weather score
August is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJanuary to April and November to December
These months have the strongest weather score in the monthly averages.