Climate averages 1991–2020

Foz do Iguaçu weather
in March.

A hot, wet month: the 4th warmest and the 5th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 29.5°C Daytime mean, March

Average low 21.8°C Night-time mean, March

Rainfall 141 mm 13 days with ≥1 mm

Daylight 12 h Sunrise to sunset, per day

March is a hot month in Foz do Iguaçu: daytime highs average 29.5°C and nights cool to about 21.8°C. By daytime temperature it is the 4th warmest of the 12 months.

Expect about 141 mm of rain on roughly 13 days, which makes March a wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 15 min on an average March day.

The nearest other city in this atlas is Ciudad del Este (8 km away). In March its highs average 29.5°C, about as warm as Foz do Iguaçu, with 146 mm of rain.

Among the 448 cities listed in Brazil, Foz do Iguaçu ranks joint 86th of 448 for the warmest March highs and joint 170th of 448 for the driest March (rainfall, lowest first). The mean March high of those 448 cities is 27.9°C; Foz do Iguaçu is 1.6°C warmer than that mean.

From March to April, average highs fall by 2.3°C to 27.2°C, and monthly rainfall falls from 141 mm to 138 mm.

The annual picture

March in context

30-year average

Average highAverage low°C

Monthly rainfall

Average total · mm

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Foz do Iguaçu climate table

1991–2020

Monthly climate averages for Foz do Iguaçu, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January	30.8°C23.3°C	23.3°C	157	15.3	13.514 h
February	30.3°C22.9°C	22.9°C	153	14.1	13.013 h
March, selected	29.5°C21.8°C	21.8°C	141	12.5	12.312 h
April	27.2°C19.2°C	19.2°C	138	9.4	11.512 h
May	23.2°C15.8°C	15.8°C	162	9.1	10.911 h
June	21.8°C14.5°C	14.5°C	137	9.2	10.611 h
July	21.7°C13.4°C	13.4°C	118	8.5	10.711 h
August	24.3°C14.8°C	14.8°C	94	7.0	11.211 h
September	26.4°C16.7°C	16.7°C	155	9.9	11.912 h
October	28.3°C19.6°C	19.6°C	197	13.2	12.713 h
November	29.2°C20.4°C	20.4°C	158	11.7	13.313 h
December	30.5°C22.4°C	22.4°C	184	14.8	13.714 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

March in nearby cities

Distance from Foz do Iguaçu

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Foz do Iguaçu) is explained once on the Foz do Iguaçu year overview and on the Sources, method and limits page.