Climate averages 1991–2020

Maricá weather
in May.

A warm, moderately wet month: the 9th warmest and the 6th driest of the year.

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

Average high 25.2°C Daytime mean, May

Average low 19.7°C Night-time mean, May

Rainfall 77 mm 12 days with ≥1 mm

Daylight 11 h Sunrise to sunset, per day

May is a warm month in Maricá: daytime highs average 25.2°C and nights cool to about 19.7°C. By daytime temperature it is the 9th warmest of the 12 months.

Expect about 77 mm of rain on roughly 12 days, which makes May a moderately wet month (the 6th 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 Itaboraí (20 km away). In May its highs average 24.8°C, about as warm as Maricá, with 77 mm of rain.

Among the 448 cities listed in Brazil, Maricá ranks joint 225th of 448 for the warmest May highs and joint 255th of 448 for the driest May (rainfall, lowest first). The mean May high of those 448 cities is 25.3°C; Maricá is 0.1°C cooler than that mean.

From May to June, average highs fall by 0.5°C to 24.7°C, and monthly rainfall falls from 77 mm to 42 mm.

The annual picture

May in context

30-year average

Average highAverage low°C

Monthly rainfall

Average total · mm

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

Every month, side by side

Maricá climate table

1991–2020

Monthly climate averages for Maricá, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January	29.9°C23.9°C	23.9°C	126	12.2	13.413 h
February	30.4°C24.1°C	24.1°C	85	9.8	12.913 h
March	29.0°C23.5°C	23.5°C	123	14.3	12.212 h
April	27.4°C22.0°C	22.0°C	78	12.2	11.612 h
May, selected	25.2°C19.7°C	19.7°C	77	11.6	11.011 h
June	24.7°C18.6°C	18.6°C	42	7.4	10.811 h
July	24.4°C17.9°C	17.9°C	45	7.8	10.911 h
August	25.1°C18.2°C	18.2°C	38	7.7	11.311 h
September	26.0°C19.2°C	19.2°C	61	9.8	11.912 h
October	27.1°C20.6°C	20.6°C	72	10.3	12.613 h
November	27.3°C21.5°C	21.5°C	113	13.8	13.213 h
December	29.0°C23.0°C	23.0°C	123	13.3	13.514 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 Maricá

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