Climate averages 1991–2020

Birigui weather
in January.

A hot, very wet month: the 6th warmest and the wettest of the year.

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

Average high 29.4°C Daytime mean, January
Average low 22.2°C Night-time mean, January
Rainfall 243 mm 22 days with ≥1 mm
Daylight 13 h Sunrise to sunset, per day
Every month in Birigui · average highYear overview

January is a hot month in Birigui: daytime highs average 29.4°C and nights cool to about 22.2°C. By daytime temperature it is the 6th warmest of the 12 months.

Expect about 243 mm of rain on roughly 22 days, which makes January a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 13 h 16 min on an average January day.

The nearest other city in this atlas is Araçatuba (13 km away). In January its highs average 29.5°C, about as warm as Birigui, with 256 mm of rain.

Among the 448 cities listed in Brazil, Birigui ranks joint 128th of 448 for the warmest January highs and joint 289th of 448 for the driest January (rainfall, lowest first). The mean January high of those 448 cities is 28.5°C; Birigui is 0.9°C warmer than that mean.

From January to February, average highs rise by 0.1°C to 29.5°C, and monthly rainfall falls from 243 mm to 177 mm.

The annual picture

January 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 2500

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

Every month, side by side

Birigui climate table

1991–2020
Monthly climate averages for Birigui, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January, selected 29.4°C22.2°C22.2°C24322.113.313 h
February 29.5°C22.1°C22.1°C17718.812.813 h
March 29.1°C21.6°C21.6°C14117.812.212 h
April 28.6°C19.8°C19.8°C577.411.612 h
May 26.3°C16.7°C16.7°C465.611.111 h
June 26.0°C15.6°C15.6°C293.510.911 h
July 26.6°C15.2°C15.2°C192.511.011 h
August 29.2°C16.5°C16.5°C202.911.411 h
September 30.8°C18.9°C18.9°C586.512.012 h
October 30.9°C20.7°C20.7°C10211.512.613 h
November 30.0°C21.1°C21.1°C14215.013.113 h
December 29.7°C22.0°C22.0°C18220.213.413 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

January in nearby cities

Distance from Birigui

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 Birigui) is explained once on the Birigui year overview and on the Sources, method and limits page.