Climate averages 1991–2020

Foz do Iguaçu weather
in July.

A mild, wet month: the coolest and the 2nd driest of the year.

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

Average high 21.7°C Daytime mean, July

Average low 13.4°C Night-time mean, July

Rainfall 118 mm 9 days with ≥1 mm

Daylight 11 h Sunrise to sunset, per day

July is a mild month in Foz do Iguaçu: daytime highs average 21.7°C and nights cool to about 13.4°C. By daytime temperature it is the coolest month of the year.

Expect about 118 mm of rain on roughly 9 days, which makes July a wet month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 42 min on an average July day.

The nearest other city in this atlas is Ciudad del Este (8 km away). In July its highs average 21.5°C, about as warm as Foz do Iguaçu, with 119 mm of rain.

Among the 448 cities listed in Brazil, Foz do Iguaçu ranks joint 347th of 448 for the warmest July highs and 403rd of 448 for the driest July (rainfall, lowest first). The mean July high of those 448 cities is 24.7°C; Foz do Iguaçu is 3.1°C cooler than that mean.

From July to August, average highs rise by 2.6°C to 24.3°C, and monthly rainfall falls from 118 mm to 94 mm.

The annual picture

July 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	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, selected	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

July 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.