Iguazu National Park Climate and Average Weather
Climate of Iguazu National Park: average temperatures, rainfall and seasons month by month.
Climate in Iguazu National Park month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 89° | 71° | 4,7 in | ★★★★☆ |
| February | 90° | 73° | 4,9 in | ★★★★☆ |
| March | 89° | 71° | 4,8 in | ★★★★☆ |
| April | 82° | 67° | 6,8 in | ★★★☆☆ |
| May | 75° | 60° | 6,8 in | ★★★☆☆ |
| June | 72° | 57° | 8,5 in | ★★★☆☆ |
| July | 73° | 56° | 5,2 in | ★★★☆☆ |
| August | 77° | 58° | 4,7 in | ★★★★☆ |
| September | 81° | 62° | 4,1 in | ★★★★☆ |
| October | 83° | 66° | 10,1 in | ★★★☆☆ |
| November | 85° | 68° | 9,0 in | ★★★☆☆ |
| December | 87° | 70° | 9,3 in | ★★★☆☆ |
Climate type: Temperate. Source: Open-Meteo archive (ERA5).
Recent extremes in Iguazu National Park
Highest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Iguazu National Park compares with nearby places
Annual averages, and the difference against Iguazu National Park.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Paraguay | 198 mi | 75°F | +35°F warmer | 64 in |
| Parana River | 298 mi | 72°F | about the same | 71 in |
Best time to visit Iguazu National Park
Go in January, February, March, August and September. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: June, October and November - expect the least comfortable mix of heat, cold or rain.
What this means for Iguazu National Park
Today is about average for October. The forecast high of 83°F is in line with the 83°F typical for this month.
A 100% chance means rain is expected over most of the area. Plan indoor alternatives. Around 1,6 in is forecast, which is enough to soak trails and slow traffic.
Wet roads are likely; braking distances roughly double in heavy rain.
Southern Hemisphere, so peak summer falls in December to February.
The gap between the warmest and coldest month averages 49°F.
What to pack, what to skip
- Lightweight, light-coloured clothing and a refillable water bottle
- Sunglasses, a brimmed hat and SPF 30+
- A packable rain shell - 3 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid June, October and November - historically the least comfortable months here.
Summary
Iguazu National Park is a national park in Argentina. Iguazu National Park is a national park known for 275 waterfalls on the Brazil border.
Right now it is 68°F (20°C) in Iguazu National Park with light drizzle. It feels like 71°F. Today runs from 66°F to 83°F. Chance of precipitation is 100%. Sightseeing conditions score 7/10 - good conditions.
The best time to visit Iguazu National Park is January, February, March, August and September. The climate is temperate. June, October and November tend to be the least comfortable months. February is the warmest month with average highs near 90°F, while July is the coldest with lows near 56°F.
In plain terms. Today is about average for October. The forecast high of 83°F is in line with the 83°F typical for this month. The best window to be outside is roughly 5 PM to 8 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Iguazu National Park today at 9.1/10. Wet roads are likely; braking distances roughly double in heavy rain.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about Iguazu National Park
| Type | National park |
|---|---|
| Country | Argentina |
| Continent | South America |
| Coordinates | 25°41′43.1″S 54°26′12.1″W (-25.6953, -54.4367) |
| Established | 1934 |
| Known for | 275 waterfalls on the Brazil border |
| Local time | 8:42 PM (UTC-03:00) |
| Best months | January, February, March, August and September |
| Climate | Temperate |
Weather map for Iguazu National Park
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Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
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Frequently asked questions
Where is Iguazu National Park?
Iguazu National Park is a national park in Argentina. Its coordinates are -25.6953, -54.4367. It lies in South America.
What is the weather like in Iguazu National Park right now?
It is currently 68°F (20°C) with light drizzle. Humidity is 98% and wind is 9 mph.
When is the best time to visit Iguazu National Park?
January, February, March, August and September offer the most comfortable conditions in Iguazu National Park, which has a temperate climate. June, October and November are usually the hardest months for outdoor plans.
What time zone is Iguazu National Park in?
Iguazu National Park observes America/Sao_Paulo (UTC-03:00). The local time is 8:42 PM.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (national-parks) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated October 26, 2026 at 8:42 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
