Foz do Iguaçu in October

In October, Foz do Iguaçu averages 29°C (83°F) during the day and 19°C (66°F) at night, with frequent rain — about 18 days of the month see precipitation (209 mm total).

Shoulder

Conditions are warm and beach-friendly. Expect daily rain or showers, often in heavy bursts.

October offers comfortable temperatures in Foz do Iguaçu, with some rain to plan around.

Popular now
29°C
Avg high
19°C
Avg low
18
Rain days
209 mm
Rainfall

How October compares to the rest of the year in Foz do Iguaçu

6th
warmest month of the 12
5th
wettest month of the 12
12%
of yearly rainfall falls in October
12 h 40 min
daylight on the 15th

October is in the middle of the year for warmth in Foz do Iguaçu (6th of 12) and moderately rainy compared to the rest of the year (5th of 12). Daytime temperature runs 1°C above the annual average (27°C). October runs 1°C warmer than September (27°C) and warms a further 1°C into November (30°C).

October sunrise & sunset in Foz do Iguaçu

🌅
Sunrise (15th)
6:03 AM
🌇
Sunset (15th)
6:44 PM
☀
Day length
12 h 40 min

Times shown for Foz do Iguaçu local time (America/Sao_Paulo), calculated for the 15th of October. They shift by a few minutes day to day across the month.

Photography light in Foz do Iguaçu — October

Golden-hour and blue-hour windows for the 15th of October, in Foz do Iguaçu's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
5:03 AM – 5:43 AM
🌄 Golden hour (AM)
5:43 AM – 6:43 AM
🌇 Golden hour (PM)
6:04 PM – 7:04 PM
🌆 Blue hour (PM)
7:04 PM – 7:44 PM
Milky Way galactic core
Fair
Core only briefly above the horizon — a marginal month even from dark sites near Foz do Iguaçu.

📅 When to book — Foz do Iguaçu in October

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 October's tier (Shoulder) and Foz do Iguaçu's popularity.

✈ Flights — lead time
6-10 weeks
Sweet spot for value. Major fare-sales (US: Black Friday, EU: post-Easter) hit hardest in shoulder months for shoulder travel.
🏨 Lodging — lead time
4-8 weeks
Lots of selection. Look for shoulder-season packages — many hotels add value (free breakfast, spa credit) to fill rooms.

Crowds & pricing — October in Foz do Iguaçu

Shoulder

Foz do Iguaçu is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.

Sun & mosquito risk — October in Foz do Iguaçu

☀️ UV Index (noon, 15th)
12.4
Extreme
Stay indoors during midday hours; SPF 50+ even briefly outside, UPF clothing, wide-brim hat, sunglasses essential.
🦟 Mosquito risk
●●●●●
Severe
Severe mosquito season with active disease transmission risk. DEET 30%+, picaridin 20%, long sleeves day and night, treated nets, and check CDC/WHO travel advisories before going.

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.

📊 Right now vs typical — Foz do Iguaçu in October

Actual avg (last 30 days)
25.6°C
78°F
Typical October avg high
28.6°C
83°F · 30-yr baseline
Anomaly
▼ -3.0°C
cooler

The past 30 days in Foz do Iguaçu have been running 3.0°C cooler than the typical October average.

Comparison window 2026-09-30 → 2026-10-30 (30 days of observed data). Single-month windows are noisy — strong signals here flag a real anomaly; small ones (<1°C) are within typical year-to-year variation.

Foz do Iguaçu in other months

MonthAvg highAvg lowRainfallRain daysSnow 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 October weather

🌍 See the full ranked list of climate twins for Foz do Iguaçu in October →

Frequently asked questions

How hot is Foz do Iguaçu in October?

In October, Foz do Iguaçu averages a high of 29°C (83°F) and a low of 19°C (66°F) — generally warm.

Does it rain a lot in Foz do Iguaçu in October?

October is quite rainy in Foz do Iguaçu, with about 18 rainy days on average.

Is October a good time to visit Foz do Iguaçu?

October is warm but on the rainy side. It suits travelers who are comfortable with warm 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 October?

Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full October packing list for Foz do Iguaçu for a complete, climate-based checklist.

Open Foz do Iguaçu on the interactive map

Check the live 10-day forecast and sunrise/sunset.