Climate averages 1991–2020

Santa Bárbara d'Oeste weather
in May.

A warm, moderately wet month: the 10th warmest and the 4th driest of the year. Meets the pleasant-weather rule

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

Average high 24.4°C Daytime mean, May
Average low 14.7°C Night-time mean, May
Rainfall 56 mm 6 days with ≥1 mm
Daylight 11 h Sunrise to sunset, per day
Every month in Santa Bárbara d'Oeste · average highYear overview

May is a warm month in Santa Bárbara d'Oeste: daytime highs average 24.4°C and nights cool to about 14.7°C. By daytime temperature it is the 10th warmest of the 12 months.

Expect about 56 mm of rain on roughly 6 days, which makes May a moderately wet month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 02 min on an average May day.

The nearest other city in this atlas is Americana (9 km away). In May its highs average 24.5°C, about as warm as Santa Bárbara d'Oeste, with 60 mm of rain.

Among the 448 cities listed in Brazil, Santa Bárbara d'Oeste ranks joint 268th of 448 for the warmest May highs and joint 151st of 448 for the driest May (rainfall, lowest first). The mean May high of those 448 cities is 25.3°C; Santa Bárbara d'Oeste is 0.9°C cooler than that mean.

From May to June, average highs fall by 0.6°C to 23.7°C, and monthly rainfall falls from 56 mm to 40 mm.

The annual picture

May 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

Santa Bárbara d'Oeste climate table

1991–2020
Monthly climate averages for Santa Bárbara d'Oeste, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 28.4°C20.2°C20.2°C26622.613.413 h
February 28.6°C20.2°C20.2°C18818.812.913 h
March 27.8°C19.4°C19.4°C14716.912.212 h
April 26.9°C17.6°C17.6°C607.611.612 h
May, selected 24.4°C14.7°C14.7°C566.011.011 h
June 23.7°C13.4°C13.4°C404.610.811 h
July 24.1°C12.9°C12.9°C353.910.911 h
August 26.1°C13.9°C13.9°C324.111.311 h
September 27.9°C16.3°C16.3°C708.111.912 h
October 28.5°C17.9°C17.9°C11412.712.613 h
November 27.9°C18.4°C18.4°C16015.413.213 h
December 28.4°C19.7°C19.7°C20620.013.513 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

May in nearby cities

Distance from Santa Bárbara d'Oeste

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 Santa Bárbara d'Oeste) is explained once on the Santa Bárbara d'Oeste year overview and on the Sources, method and limits page.