Iguazú Falls in April

In April, Iguazú Falls averages 27°C (81°F) during the day and 18°C (65°F) at night, with frequent rain — about 14 days of the month see precipitation (130 mm total).

Shoulder

Conditions are warm and beach-friendly. Plan for unsettled weather and bring rain gear.

April offers comfortable temperatures in Iguazú Falls, with some rain to plan around.

27°C
Avg high
18°C
Avg low
14
Rain days
130 mm
Rainfall

How April compares to the rest of the year in Iguazú Falls

8th
warmest month of the 12
8th
wettest month of the 12
7%
of yearly rainfall falls in April
11 h 29 min
daylight on the 15th

April is in the middle of the year for warmth in Iguazú Falls (8th of 12) and moderately rainy compared to the rest of the year (8th of 12). Daytime temperature matches the city's annual average. April runs 2°C cooler than March (29°C) and cools 4°C in May (23°C).

April sunrise & sunset in Iguazú Falls

🌅
Sunrise (15th)
6:52 AM
🌇
Sunset (15th)
6:22 PM
Day length
11 h 29 min

Times shown for Iguazú Falls local time (America/Argentina/Cordoba), calculated for the 15th of April. They shift by a few minutes day to day across the month.

Photography light in Iguazú Falls — April

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

🌅 Blue hour (AM)
5:52 AM – 6:32 AM
🌄 Golden hour (AM)
6:32 AM – 7:32 AM
🌇 Golden hour (PM)
5:42 PM – 6:42 PM
🌆 Blue hour (PM)
6:42 PM – 7:22 PM
Milky Way galactic core
Good
Galactic core is up but lower on the horizon; head well outside city limits for a clean view.

📅 When to book — Iguazú Falls in April

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 April's tier (Shoulder) and Iguazú Falls'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 — April in Iguazú Falls

Shoulder

Iguazú Falls 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.

Why this tier: comfortable tourism weather

Sun & mosquito risk — April in Iguazú Falls

☀️ UV Index (noon, 15th)
9.9
Very high
Limit sun exposure between 11 AM and 3 PM; SPF 30-50, reapply every 90 minutes outdoors.
🦟 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.

Iguazú Falls in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 31°C / 87°F 23°C / 73°F 218 mm 26
February 31°C / 87°F 22°C / 71°F 147 mm 20
March 29°C / 85°F 21°C / 69°F 172 mm 20
April 27°C / 81°F 18°C / 65°F 130 mm 14
May 23°C / 74°F 15°C / 59°F 174 mm 16
June 22°C / 72°F 14°C / 57°F 131 mm 12
July 23°C / 73°F 13°C / 56°F 98 mm 9
August 25°C / 77°F 15°C / 59°F 95 mm 10
September 28°C / 82°F 17°C / 63°F 132 mm 14
October 29°C / 83°F 19°C / 66°F 219 mm 19
November 30°C / 85°F 20°C / 67°F 164 mm 17
December 31°C / 87°F 22°C / 71°F 206 mm 20

Other cities with similar April weather

🌍 See the full ranked list of climate twins for Iguazú Falls in April →

Frequently asked questions

How hot is Iguazú Falls in April?

In April, Iguazú Falls averages a high of 27°C (81°F) and a low of 18°C (65°F) — generally warm.

Does it rain a lot in Iguazú Falls in April?

April can be fairly wet in Iguazú Falls, with about 14 rainy days on average.

Is April a good time to visit Iguazú Falls?

April 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 Iguazú Falls in April?

Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full April packing list for Iguazú Falls for a complete, climate-based checklist.

Open Iguazú Falls on the interactive map

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