Tacna weather
The weather is fairly even all year. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Tacna, Tacna, Peru.
Best Time to Visit
Weather stays about the same all year.
Tacna weather by month
When is the best time to visit Tacna?
Tacna's weather stays fairly even through the year, so any month works, according to NASA's 2001–2025 climate averages. Average highs run from 20°C (69°F) in July to 22°C (72°F) in September.
What is the rainiest month in Tacna?
January is the wettest month, with about 11 mm (0.4 in) of rain on average. May is the driest, with about 0 mm (0.0 in).
What is the hottest month in Tacna?
September is the warmest, with average highs of 22°C (72°F) and lows of 9°C (47°F). July is the coolest, with highs of 20°C (69°F) and lows of 7°C (45°F).
Does Tacna have a rainy season?
Not a strong one. No month averages more than 150 mm of rain; the wettest is January at about 11 mm (0.4 in).
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months