Climate averages 1991–2020

Caraguatatuba weather
in January.

A hot, very wet month: the 2nd warmest and the wettest of the year.

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

Average high 28.6°C Daytime mean, January

Average low 23.6°C Night-time mean, January

Rainfall 297 mm 27 days with ≥1 mm

Daylight 13 h Sunrise to sunset, per day

January is a hot month in Caraguatatuba: daytime highs average 28.6°C and nights cool to about 23.6°C. By daytime temperature it is the 2nd warmest of the 12 months.

Expect about 297 mm of rain on roughly 27 days, which makes January a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 13 h 25 min on an average January day.

The nearest other city in this atlas is São Sebastião (Sao Paulo), Brazil (16 km away). In January its highs average 27.8°C, 0.8°C cooler than Caraguatatuba, with 277 mm of rain.

Among the 448 cities listed in Brazil, Caraguatatuba ranks joint 218th of 448 for the warmest January highs and 414th of 448 for the driest January (rainfall, lowest first). The mean January high of those 448 cities is 28.5°C; Caraguatatuba is 0.1°C warmer than that mean.

From January to February, average highs rise by 0.4°C to 29.0°C, and monthly rainfall falls from 297 mm to 224 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

Caraguatatuba climate table

1991–2020

Monthly climate averages for Caraguatatuba, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January, selected	28.6°C23.6°C	23.6°C	297	26.6	13.413 h
February	29.0°C23.8°C	23.8°C	224	23.6	12.913 h
March	27.9°C23.1°C	23.1°C	214	24.0	12.212 h
April	26.7°C21.6°C	21.6°C	106	14.7	11.612 h
May	24.7°C19.3°C	19.3°C	89	11.5	11.011 h
June	24.2°C18.0°C	18.0°C	61	8.2	10.711 h
July	23.7°C17.3°C	17.3°C	72	8.0	10.811 h
August	24.0°C17.6°C	17.6°C	55	7.9	11.311 h
September	24.5°C18.7°C	18.7°C	111	13.2	11.912 h
October	25.4°C20.0°C	20.0°C	132	16.6	12.613 h
November	25.9°C20.8°C	20.8°C	178	20.1	13.213 h
December	27.6°C22.5°C	22.5°C	223	23.7	13.614 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 Caraguatatuba

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