Weather in Tacna, Peru 🇵🇪
Live weather in Tacna, currently 14°C with clear. View the 7-day forecast, hourly conditions, and air quality index. Tacna is in Peru — see weather across all major cities in Peru, or browse the hottest cities right now worldwide.
14.0°C
feels like 13.3°C
Clear
Current Weather in Tacna, Peru Updated at 10:15 PM today
| 💧 Humidity: | 77% |
| 🌬️ Wind: | 4.3 kph (242°) |
| 🌡️ Pressure: | 1013.0 mb |
| 👁️ Visibility: | 10.0 km |
| 🌧️ Precipitation: | 0.0 mm |
| ☁️ Cloud Cover: | 3% |
| ☀️ UV Index: | 0.0 |
| 🌅 Sunrise: | 05:44 AM |
| 🌇 Sunset: | 05:34 PM |
What is the weather like in Tacna right now?
Tacna sits at a cool 14°C tonight, with clear skies. Cloudless night skies over Tacna at the moment. The feels-like matches the reading almost exactly. The air feels damp at 77% humidity.
Air quality is moderate (US EPA index 2, PM2.5 16) — acceptable for most people. The sun rose at 05:44 AM and sets at 05:34 PM, for 11h 50m of daylight.
There's only a small 5% chance of rain today, with up to 0 mm expected. It warms up as the day goes on, topping out around 21°C. That's right in line with the usual September average for Tacna.
The week ahead looks settled, with highs holding around 20°C and lows near 11°C. Today's high stays well short of Tacna's record for the date, 24°C. After dark, clear skies and a moon make for good stargazing tonight.
Ideal conditions in Tacna today — get out and enjoy it.
7-Day Weather Forecast for Tacna, Peru 🇵🇪
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Hourly Weather Forecast for Tacna, Peru 🇵🇪 Today
Air Quality Index in Tacna, Peru 🇵🇪 (AQI)
US EPA Index
Environmental Protection Agency
UK DEFRA Index
Department for Environment, Food & Rural Affairs
| Parameter | Value |
|---|---|
| US EPA Index: | 2 (Moderate) |
| UK DEFRA Index: | 2 (Low) |
| CO: | 219.0 µg/m³ |
| O3: | 57.0 µg/m³ |
| NO2: | 4.3 µg/m³ |
| SO2: | 2.4 µg/m³ |
| PM2.5: | 16.1 µg/m³ |
| PM10: | 66.8 µg/m³ |
About Tacna
Tacna, Peru, is a city of quiet resilience and stark beauty, nestled in a valley where the southern Andes meet the Atacama Desert. Known as the "Heroic City" for its role in Peruvian history, it offers travelers a blend of colonial architecture and modern life, with the grand Cathedral and the iconic Arch of Tacna anchoring the Plaza de Armas. The surrounding geography is a portrait of extremes: dry, rocky hills rise on all sides, while the distant Pacific coast feeds a steady breeze. This is a place where the sky dominates—vast, blue, and unrelenting—and the arid landscape hums with a serene, sun-baked energy.
Classified as a cold desert (BWk) under Köppen, Tacna’s climate is defined by persistent dryness and sharp temperature swings. Summers (December to March) bring warm days that climb above 28°C (82°F), but nights cool dramatically, dipping to around 10°C (50°F). Winters (June to August) are chilly, with daytime highs near 18°C (64°F) and overnight lows that can drop close to freezing. Rainfall is virtually nonexistent, averaging just a few millimeters per year, and humidity stays low—often below 40%. Layering is the key: lightweight fabrics for the sun, a fleece or jacket for evenings, and sunglasses to cut the glare.
The best time to experience Tacna’s weather is during the Southern Hemisphere autumn (April and May) or spring (September and October), when temperatures are mild and the winds are calmer. Notable weather phenomena include the occasional *paracas*—strong desert winds that whip up dust and sand, reducing visibility. Fog is rare but can creep inland from the coast during winter mornings, lending a brief, misty chill. While snow never falls in the city, the nearby Andes peaks hold it year-round, a distant white crown on the desert horizon. No monsoons or hurricanes disturb this dry, steadfast climate—just sun, wind, and stillness.
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