Climate averages 1991–2020

Itapema weather
in December.

A warm, wet month: the joint 3rd warmest and the 7th driest of the year.

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

Average high 27.3°C Daytime mean, December

Average low 20.9°C Night-time mean, December

Rainfall 126 mm 16 days with ≥1 mm

Daylight 14 h Sunrise to sunset, per day

December is a warm month in Itapema: daytime highs average 27.3°C and nights cool to about 20.9°C. By daytime temperature it is the joint 3rd warmest of the 12 months.

Expect about 126 mm of rain on roughly 16 days, which makes December a wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 49 min on an average December day.

The nearest other city in this atlas is Camboriú (8 km away). In December its highs average 26.8°C, 0.5°C cooler than Itapema, with 156 mm of rain.

Among the 448 cities listed in Brazil, Itapema ranks joint 302nd of 448 for the warmest December highs and joint 113th of 448 for the driest December (rainfall, lowest first). The mean December high of those 448 cities is 28.5°C; Itapema is 1.2°C cooler than that mean.

From December to January, average highs rise by 0.9°C to 28.2°C, and monthly rainfall rises from 126 mm to 187 mm.

The annual picture

December 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

Itapema climate table

1991–2020

Monthly climate averages for Itapema, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January	28.2°C22.1°C	22.1°C	187	18.9	13.614 h
February	28.2°C22.2°C	22.2°C	165	17.6	13.013 h
March	27.3°C21.2°C	21.2°C	136	18.2	12.312 h
April	25.5°C19.1°C	19.1°C	98	12.2	11.511 h
May	22.6°C16.0°C	16.0°C	116	12.1	10.811 h
June	21.0°C14.1°C	14.1°C	106	9.8	10.510 h
July	20.3°C13.1°C	13.1°C	95	9.9	10.611 h
August	21.2°C13.9°C	13.9°C	95	9.6	11.211 h
September	22.0°C15.6°C	15.6°C	137	12.6	11.912 h
October	23.7°C17.7°C	17.7°C	127	13.7	12.713 h
November	25.1°C19.0°C	19.0°C	120	14.5	13.413 h
December, selected	27.3°C20.9°C	20.9°C	126	15.5	13.814 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

December in nearby cities

Distance from Itapema

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