Climate averages 1991–2020

Tianguá weather
in December.

A hot, fairly dry month: the 4th warmest and the 7th driest of the year.

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

Average high 30.0°C Daytime mean, December
Average low 20.4°C Night-time mean, December
Rainfall 32 mm 6 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Tianguá · average highYear overview

December is a hot month in Tianguá: daytime highs average 30.0°C and nights cool to about 20.4°C. By daytime temperature it is the 4th warmest of the 12 months.

Expect about 32 mm of rain on roughly 6 days, which makes December a fairly dry month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 20 min on an average December day.

The nearest other city in this atlas is Sobral (71 km away). In December its highs average 34.5°C, 4.5°C warmer than Tianguá, with 22 mm of rain.

Among the 448 cities listed in Brazil, Tianguá ranks joint 93rd of 448 for the warmest December highs and joint 38th of 448 for the driest December (rainfall, lowest first). The mean December high of those 448 cities is 28.5°C; Tianguá is 1.5°C warmer than that mean.

From December to January, average highs fall by 2.0°C to 28.0°C, and monthly rainfall rises from 32 mm to 141 mm.

The annual picture

December in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. 1520253035 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 2500

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

Every month, side by side

Tianguá climate table

1991–2020
Monthly climate averages for Tianguá, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 28.0°C20.1°C20.1°C14117.812.312 h
February 27.1°C19.9°C19.9°C16420.512.212 h
March 26.7°C19.9°C19.9°C23925.312.112 h
April 26.4°C19.8°C19.8°C23923.312.012 h
May 26.8°C19.7°C19.7°C9614.311.912 h
June 27.2°C19.4°C19.4°C235.611.912 h
July 28.1°C19.1°C19.1°C9.22.011.912 h
August 29.6°C19.2°C19.2°C3.40.612.012 h
September 30.9°C19.6°C19.6°C1.20.312.112 h
October 31.3°C20.0°C20.0°C110.812.212 h
November 31.1°C20.3°C20.3°C8.21.312.312 h
December, selected 30.0°C20.4°C20.4°C325.812.312 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 Tianguá

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