Climate averages 1991–2020

São Cristóvão weather
in March.

A hot, moderately wet month: the warmest and the 7th driest of the year.

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

Average high 29.2°C Daytime mean, March
Average low 24.7°C Night-time mean, March
Rainfall 71 mm 18 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in São Cristóvão · average highYear overview

March is a hot month in São Cristóvão: daytime highs average 29.2°C and nights cool to about 24.7°C. By daytime temperature it is the warmest month of the year.

Expect about 71 mm of rain on roughly 18 days, which makes March a moderately wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 10 min on an average March day.

The nearest other city in this atlas is Aracaju (19 km away). In March its highs average 29.3°C, about as warm as São Cristóvão, with 77 mm of rain.

Among the 448 cities listed in Brazil, São Cristóvão ranks joint 111th of 448 for the warmest March highs and joint 15th of 448 for the driest March (rainfall, lowest first). The mean March high of those 448 cities is 27.9°C; São Cristóvão is 1.2°C warmer than that mean.

From March to April, average highs fall by 0.8°C to 28.4°C, and monthly rainfall rises from 71 mm to 112 mm.

The annual picture

March 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. 1520253035 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 2000

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

Every month, side by side

São Cristóvão climate table

1991–2020
Monthly climate averages for São Cristóvão, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 28.9°C24.4°C24.4°C5615.112.713 h
February 29.0°C24.6°C24.6°C6416.612.512 h
March, selected 29.2°C24.7°C24.7°C7118.112.212 h
April 28.4°C24.3°C24.3°C11220.311.912 h
May 27.2°C23.6°C23.6°C15722.911.612 h
June 26.0°C22.7°C22.7°C14824.011.511 h
July 25.3°C22.0°C22.0°C12523.911.512 h
August 25.2°C21.8°C21.8°C9822.111.712 h
September 26.0°C22.3°C22.3°C6417.212.012 h
October 27.2°C23.2°C23.2°C5213.912.312 h
November 28.1°C23.8°C23.8°C4111.112.613 h
December 28.8°C24.3°C24.3°C3310.112.813 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 São Cristóvão

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