Foz do Iguaçu in January
In January, Foz do Iguaçu averages 31°C (88°F) during the day and 23°C (74°F) at night, with frequent rain — about 26 days of the month see precipitation (192 mm total).
High seasonConditions are warm and beach-friendly. Expect daily rain or showers, often in heavy bursts.
January is one of the wetter and less comfortable months in Foz do Iguaçu. If your dates are flexible, consider a different time of year.
How January compares to the rest of the year in Foz do Iguaçu
January is one of the warmest months in Foz do Iguaçu (1st of 12) and one of the wettest months (1st of 12). Daytime temperature runs 4°C above the annual average (27°C). January runs roughly the same as December (31°C) and stays flat into February.
January sunrise & sunset in Foz do Iguaçu
Times shown for Foz do Iguaçu local time (America/Sao_Paulo), calculated for the 15th of January. They shift by a few minutes day to day across the month.
Photography light in Foz do Iguaçu — January
Golden-hour and blue-hour windows for the 15th of January, in Foz do Iguaçu's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Foz do Iguaçu in January
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on January's tier (High season) and Foz do Iguaçu's popularity.
Crowds & pricing — January in Foz do Iguaçu
This is a busy month in Foz do Iguaçu — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.
Why this tier: Southern Hemisphere summer holidays
Sun & mosquito risk — January in Foz do Iguaçu
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Foz do Iguaçu in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 31°C / 88°F | 23°C / 74°F | 192 mm | 26 | — |
| February | 30°C / 87°F | 22°C / 72°F | 131 mm | 19 | — |
| March | 29°C / 85°F | 21°C / 69°F | 162 mm | 19 | — |
| April | 27°C / 81°F | 18°C / 65°F | 112 mm | 13 | — |
| May | 23°C / 74°F | 15°C / 60°F | 153 mm | 15 | — |
| June | 22°C / 71°F | 14°C / 57°F | 121 mm | 12 | — |
| July | 23°C / 73°F | 13°C / 56°F | 104 mm | 9 | — |
| August | 25°C / 76°F | 15°C / 58°F | 96 mm | 10 | — |
| September | 27°C / 81°F | 17°C / 63°F | 135 mm | 13 | — |
| October | 29°C / 83°F | 19°C / 66°F | 209 mm | 18 | — |
| November | 30°C / 85°F | 20°C / 68°F | 156 mm | 17 | — |
| December | 31°C / 87°F | 22°C / 72°F | 191 mm | 19 | — |
Other cities with similar January weather
🌍 See the full ranked list of climate twins for Foz do Iguaçu in January →
Frequently asked questions
How hot is Foz do Iguaçu in January?
In January, Foz do Iguaçu averages a high of 31°C (88°F) and a low of 23°C (74°F) — generally hot.
Does it rain a lot in Foz do Iguaçu in January?
January is quite rainy in Foz do Iguaçu, with about 26 rainy days on average.
Is January a good time to visit Foz do Iguaçu?
January is hot but on the rainy side. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Foz do Iguaçu in January?
Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full January packing list for Foz do Iguaçu for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.