Climate averages 1991–2020

Ceará-Mirim weather
in January.

A hot, moderately wet month: the joint 2nd warmest and the 6th driest of the year.

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

Average high 30.2°C Daytime mean, January

Average low 24.4°C Night-time mean, January

Rainfall 51 mm 15 days with ≥1 mm

Daylight 12 h Sunrise to sunset, per day

January is a hot month in Ceará-Mirim: daytime highs average 30.2°C and nights cool to about 24.4°C. By daytime temperature it is the joint 2nd warmest of the 12 months.

Expect about 51 mm of rain on roughly 15 days, which makes January a moderately wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 24 min on an average January day.

The nearest other city in this atlas is Macaíba (26 km away). In January its highs average 30.8°C, 0.5°C warmer than Ceará-Mirim, with 75 mm of rain.

Among the 448 cities listed in Brazil, Ceará-Mirim ranks joint 69th of 448 for the warmest January highs and 13th of 448 for the driest January (rainfall, lowest first). The mean January high of those 448 cities is 28.5°C; Ceará-Mirim is 1.8°C warmer than that mean.

From January to February, average highs fall by 0.1°C to 30.2°C, and monthly rainfall rises from 51 mm to 65 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

Ceará-Mirim climate table

1991–2020

Monthly climate averages for Ceará-Mirim, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January, selected	30.2°C24.4°C	24.4°C	51	14.5	12.412 h
February	30.2°C24.4°C	24.4°C	65	15.7	12.312 h
March	29.9°C24.3°C	24.3°C	99	20.4	12.112 h
April	29.3°C24.2°C	24.2°C	113	20.2	12.012 h
May	28.9°C23.9°C	23.9°C	85	15.4	11.912 h
June	27.9°C23.1°C	23.1°C	75	14.5	11.812 h
July	27.4°C22.4°C	22.4°C	61	12.1	11.812 h
August	28.0°C22.4°C	22.4°C	21	7.1	11.912 h
September	29.0°C23.0°C	23.0°C	12	4.6	12.112 h
October	29.8°C23.7°C	23.7°C	10	3.5	12.212 h
November	30.2°C24.2°C	24.2°C	12	4.7	12.412 h
December	30.3°C24.4°C	24.4°C	23	9.4	12.412 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 Ceará-Mirim

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 Ceará-Mirim) is explained once on the Ceará-Mirim year overview and on the Sources, method and limits page.