Climate averages 1991–2020

Viana, Brazil weather
in January.

A hot, wet month: the 2nd warmest and the 9th driest of the year.

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

Average high 29.7°C Daytime mean, January

Average low 23.2°C Night-time mean, January

Rainfall 138 mm 12 days with ≥1 mm

Daylight 13 h Sunrise to sunset, per day

January is a hot month in Viana, Brazil: daytime highs average 29.7°C and nights cool to about 23.2°C. By daytime temperature it is the 2nd warmest of the 12 months.

Expect about 138 mm of rain on roughly 12 days, which makes January a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 13 min on an average January day.

The nearest other city in this atlas is Cariacica (16 km away). In January its highs average 28.8°C, 1.0°C cooler than Viana, Brazil, with 160 mm of rain.

Among the 448 cities listed in Brazil, Viana, Brazil ranks joint 103rd of 448 for the warmest January highs and 105th of 448 for the driest January (rainfall, lowest first). The mean January high of those 448 cities is 28.5°C; Viana, Brazil is 1.3°C warmer than that mean.

From January to February, average highs rise by 0.4°C to 30.1°C, and monthly rainfall falls from 138 mm to 95 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

Viana, Brazil climate table

1991–2020

Monthly climate averages for Viana, Brazil, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January, selected	29.7°C23.2°C	23.2°C	138	12.1	13.213 h
February	30.1°C23.3°C	23.3°C	95	10.1	12.813 h
March	29.3°C23.0°C	23.0°C	159	14.3	12.212 h
April	27.7°C21.7°C	21.7°C	104	14.4	11.612 h
May	25.9°C19.6°C	19.6°C	63	10.5	11.211 h
June	25.2°C18.4°C	18.4°C	38	7.5	10.911 h
July	24.6°C17.8°C	17.8°C	42	8.2	11.011 h
August	25.0°C18.0°C	18.0°C	43	7.9	11.411 h
September	26.2°C19.2°C	19.2°C	63	9.7	12.012 h
October	27.2°C20.5°C	20.5°C	113	11.8	12.513 h
November	27.3°C21.5°C	21.5°C	208	15.9	13.113 h
December	28.8°C22.6°C	22.6°C	206	16.3	13.313 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 Viana

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