Climate averages 1991–2020

Santa Maria weather
in March.

A warm, wet month: the 4th warmest and the 2nd driest of the year.

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

Average high 27.1°C Daytime mean, March
Average low 17.9°C Night-time mean, March
Rainfall 124 mm 11 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Santa Maria · average highYear overview

March is a warm month in Santa Maria: daytime highs average 27.1°C and nights cool to about 17.9°C. By daytime temperature it is the 4th warmest of the 12 months.

Expect about 124 mm of rain on roughly 11 days, which makes March a wet month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 17 min on an average March day.

The nearest other city in this atlas is Cachoeira do Sul (96 km away). In March its highs average 27.5°C, about as warm as Santa Maria, with 108 mm of rain.

Among the 448 cities listed in Brazil, Santa Maria ranks joint 298th of 448 for the warmest March highs and joint 97th of 448 for the driest March (rainfall, lowest first). The mean March high of those 448 cities is 27.9°C; Santa Maria is 0.8°C cooler than that mean.

From March to April, average highs fall by 3.0°C to 24.1°C, and monthly rainfall rises from 124 mm to 144 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. 5101520253035 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

Santa Maria climate table

1991–2020
Monthly climate averages for Santa Maria, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 29.1°C19.5°C19.5°C15913.813.814 h
February 28.4°C19.4°C19.4°C14612.613.113 h
March, selected 27.1°C17.9°C17.9°C12411.212.312 h
April 24.1°C14.9°C14.9°C14410.111.411 h
May 20.3°C11.6°C11.6°C1279.510.711 h
June 18.4°C9.7°C9.7°C13710.110.310 h
July 17.8°C8.5°C8.5°C14910.210.410 h
August 20.2°C9.8°C9.8°C1229.811.111 h
September 21.2°C11.4°C11.4°C15710.611.912 h
October 23.6°C13.9°C13.9°C20812.612.813 h
November 26.0°C15.5°C15.5°C13610.213.614 h
December 28.6°C18.2°C18.2°C15811.814.014 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 Santa Maria

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