Climate averages 1991–2020

Macapá weather
in January.

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

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

Average high 28.5°C Daytime mean, January

Average low 23.5°C Night-time mean, January

Rainfall 274 mm 29 days with ≥1 mm

Daylight 12 h Sunrise to sunset, per day

January is a hot month in Macapá: daytime highs average 28.5°C and nights cool to about 23.5°C. By daytime temperature it is the 8th warmest of the 12 months.

Expect about 274 mm of rain on roughly 29 days, which makes January a very wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 07 min on an average January day.

The nearest other city in this atlas is Santana (15 km away). In January its highs average 28.8°C, about as warm as Macapá, with 229 mm of rain.

Among the 448 cities listed in Brazil, Macapá ranks joint 227th of 448 for the warmest January highs and joint 372nd of 448 for the driest January (rainfall, lowest first). The mean January high of those 448 cities is 28.5°C; Macapá is level with that mean.

From January to February, average highs fall by 0.5°C to 28.0°C, and monthly rainfall rises from 274 mm to 325 mm.

The annual picture

January 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

Macapá climate table

1991–2020

Monthly climate averages for Macapá, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January, selected	28.5°C23.5°C	23.5°C	274	29.2	12.112 h
February	28.0°C23.3°C	23.3°C	325	27.0	12.112 h
March	28.1°C23.4°C	23.4°C	387	29.2	12.112 h
April	28.1°C23.4°C	23.4°C	384	29.2	12.112 h
May	28.4°C23.6°C	23.6°C	357	29.6	12.112 h
June	28.7°C23.7°C	23.7°C	205	27.3	12.112 h
July	29.0°C23.7°C	23.7°C	155	25.8	12.112 h
August	30.1°C24.4°C	24.4°C	73	17.9	12.112 h
September	31.2°C24.8°C	24.8°C	26	8.7	12.112 h
October	31.8°C25.0°C	25.0°C	17	4.5	12.112 h
November	31.6°C25.0°C	25.0°C	35	8.5	12.112 h
December	30.1°C24.3°C	24.3°C	128	22.8	12.112 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

January in nearby cities

Distance from Macapá

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