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Foz do Iguaçu, Brazil climate
Cfa Humid subtropical
Foz do Iguaçu has a mildly seasonal warm-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is January with an average daily high near 33°C, while the coldest is July averaging around 12°C at night. Around 1274 mm of precipitation falls each year, peaking in October (148 mm) and easing off in July (56 mm).
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresHours of sunshine per day
Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER)Foz do Iguaçu climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 33 | 32 | 31 | 29 | 25 | 23 | 24 | 26 | 28 | 30 | 31 | 32 |
| Avg temp (°C) | 27 | 26 | 26 | 23 | 19 | 18 | 18 | 20 | 21 | 24 | 25 | 26 |
| Avg low (°C) | 21 | 21 | 20 | 17 | 14 | 13 | 12 | 13 | 15 | 17 | 18 | 20 |
| Precipitation (mm) | 122 | 126 | 91 | 93 | 130 | 103 | 56 | 65 | 91 | 148 | 117 | 132 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 33 | 32 | 31 | 29 | 25 | 23 |
| Avg temp (°C) | 27 | 26 | 26 | 23 | 19 | 18 |
| Avg low (°C) | 21 | 21 | 20 | 17 | 14 | 13 |
| Precipitation (mm) | 122 | 126 | 91 | 93 | 130 | 103 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 24 | 26 | 28 | 30 | 31 | 32 |
| Avg temp (°C) | 18 | 20 | 21 | 24 | 25 | 26 |
| Avg low (°C) | 12 | 13 | 15 | 17 | 18 | 20 |
| Precipitation (mm) | 56 | 65 | 91 | 148 | 117 | 132 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 63 | 63 | 56 | 54 | 55 | 58 | 53 | 50 | 56 | 62 | 58 | 65 |
| Relative humidity (%) | 72 | 73 | 72 | 75 | 80 | 84 | 82 | 76 | 72 | 77 | 73 | 71 |
| Wind speed (km/h) | 3.0 | 3.0 | 2.9 | 3.0 | 3.1 | 3.1 | 3.1 | 3.3 | 3.3 | 3.3 | 3.3 | 3.2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 63 | 63 | 56 | 54 | 55 | 58 |
| Relative humidity (%) | 72 | 73 | 72 | 75 | 80 | 84 |
| Wind speed (km/h) | 3.0 | 3.0 | 2.9 | 3.0 | 3.1 | 3.1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 53 | 50 | 56 | 62 | 58 | 65 |
| Relative humidity (%) | 82 | 76 | 72 | 77 | 73 | 71 |
| Wind speed (km/h) | 3.1 | 3.3 | 3.3 | 3.3 | 3.3 | 3.2 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Cataratas Intl, a weather station, about 11 km from the city centre. The underlying daily records come from NOAA's global station network.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.