Climate averages 1991–2020

São José do Rio Preto weather
in April.

A hot, moderately wet month: the 9th warmest and the 6th driest of the year.

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

Average high 28.2°C Daytime mean, April
Average low 19.6°C Night-time mean, April
Rainfall 70 mm 9 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in São José do Rio Preto · average highYear overview

April is a hot month in São José do Rio Preto: daytime highs average 28.2°C and nights cool to about 19.6°C. By daytime temperature it is the 9th warmest of the 12 months.

Expect about 70 mm of rain on roughly 9 days, which makes April a moderately wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 38 min on an average April day.

The nearest other city in this atlas is Catanduva (55 km away). In April its highs average 28.1°C, about as warm as São José do Rio Preto, with 68 mm of rain.

Among the 448 cities listed in Brazil, São José do Rio Preto ranks joint 153rd of 448 for the warmest April highs and joint 130th of 448 for the driest April (rainfall, lowest first). The mean April high of those 448 cities is 27.0°C; São José do Rio Preto is 1.2°C warmer than that mean.

From April to May, average highs fall by 2.0°C to 26.2°C, and monthly rainfall falls from 70 mm to 47 mm.

The annual picture

April in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. 101520253035 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 3000

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

Every month, side by side

São José do Rio Preto climate table

1991–2020
Monthly climate averages for São José do Rio Preto, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 28.9°C21.7°C21.7°C27123.513.213 h
February 29.1°C21.6°C21.6°C20420.712.813 h
March 28.6°C21.1°C21.1°C18420.112.212 h
April, selected 28.2°C19.6°C19.6°C709.411.612 h
May 26.2°C16.8°C16.8°C474.911.111 h
June 25.9°C15.9°C15.9°C263.110.911 h
July 26.5°C15.8°C15.8°C152.311.011 h
August 29.0°C17.2°C17.2°C192.611.411 h
September 30.7°C19.4°C19.4°C596.912.012 h
October 30.8°C20.8°C20.8°C11913.212.613 h
November 29.4°C20.8°C20.8°C17217.613.113 h
December 29.0°C21.5°C21.5°C23422.913.413 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

April in nearby cities

Distance from São José do Rio Preto

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 São José do Rio Preto) is explained once on the São José do Rio Preto year overview and on the Sources, method and limits page.