Climate averages 1991–2020

Valença (Rio de Janeiro), Brazil weather
in March.

A warm, very wet month: the 4th warmest and the 8th driest of the year.

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

Average high 27.3°C Daytime mean, March
Average low 19.4°C Night-time mean, March
Rainfall 220 mm 21 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Valença · average highYear overview

March is a warm month in Valença (Rio de Janeiro), Brazil: daytime highs average 27.3°C and nights cool to about 19.4°C. By daytime temperature it is the 4th warmest of the 12 months.

Expect about 220 mm of rain on roughly 21 days, which makes March a very wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 14 min on an average March day.

The nearest other city in this atlas is Barra do Piraí (28 km away). In March its highs average 28.4°C, 1.1°C warmer than Valença (Rio de Janeiro), Brazil, with 195 mm of rain.

Among the 448 cities listed in Brazil, Valença (Rio de Janeiro), Brazil ranks joint 272nd of 448 for the warmest March highs and joint 375th of 448 for the driest March (rainfall, lowest first). The mean March high of those 448 cities is 27.9°C; Valença (Rio de Janeiro), Brazil is 0.6°C cooler than that mean.

From March to April, average highs fall by 1.6°C to 25.8°C, and monthly rainfall falls from 220 mm to 95 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. 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 3500

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

Every month, side by side

Valença (Rio de Janeiro), Brazil climate table

1991–2020
Monthly climate averages for Valença (Rio de Janeiro), Brazil, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 28.2°C20.0°C20.0°C30222.313.313 h
February 28.7°C20.0°C20.0°C22117.912.813 h
March, selected 27.3°C19.4°C19.4°C22020.912.212 h
April 25.8°C17.8°C17.8°C9513.111.612 h
May 23.5°C15.1°C15.1°C549.111.111 h
June 23.2°C13.5°C13.5°C265.310.811 h
July 22.9°C13.0°C13.0°C265.310.911 h
August 24.1°C13.7°C13.7°C306.311.411 h
September 25.4°C15.6°C15.6°C7610.811.912 h
October 26.3°C17.2°C17.2°C13715.612.613 h
November 26.0°C18.1°C18.1°C24420.213.213 h
December 27.4°C19.3°C19.3°C29723.113.513 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

March in nearby cities

Distance from Valença

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 Valença) is explained once on the Valença (Rio de Janeiro), Brazil year overview and on the Sources, method and limits page.