Climate averages 1991–2020

Barcarena weather
in May.

A hot, very wet month: the 8th warmest and the 9th driest of the year.

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

Average high 29.2°C Daytime mean, May
Average low 24.3°C Night-time mean, May
Rainfall 254 mm 28 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Barcarena · average highYear overview

May is a hot month in Barcarena: daytime highs average 29.2°C and nights cool to about 24.3°C. By daytime temperature it is the 8th warmest of the 12 months.

Expect about 254 mm of rain on roughly 28 days, which makes May a very wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 03 min on an average May day.

The nearest other city in this atlas is Belém (15 km away). In May its highs average 29.1°C, about as warm as Barcarena, with 256 mm of rain.

Among the 448 cities listed in Brazil, Barcarena ranks joint 63rd of 448 for the warmest May highs and 426th of 448 for the driest May (rainfall, lowest first). The mean May high of those 448 cities is 25.3°C; Barcarena is 3.8°C warmer than that mean.

From May to June, average highs rise by 0.4°C to 29.5°C, and monthly rainfall falls from 254 mm to 109 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. 20253035 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 4000

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

Every month, side by side

Barcarena climate table

1991–2020
Monthly climate averages for Barcarena, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 29.0°C24.3°C24.3°C22827.712.212 h
February 28.5°C23.9°C23.9°C31627.112.212 h
March 28.5°C23.9°C23.9°C39330.212.112 h
April 28.6°C24.0°C24.0°C37929.412.112 h
May, selected 29.2°C24.3°C24.3°C25427.612.012 h
June 29.5°C24.4°C24.4°C10920.712.012 h
July 29.9°C24.4°C24.4°C6715.012.012 h
August 31.0°C24.6°C24.6°C349.612.112 h
September 31.7°C24.8°C24.8°C195.612.112 h
October 32.1°C25.0°C25.0°C204.912.112 h
November 31.8°C25.2°C25.2°C377.112.212 h
December 30.6°C25.0°C25.0°C10317.312.212 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 Barcarena

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