Climate averages 1991–2020

Formosa, Brazil weather
in January.

A warm, very wet month: the 6th warmest and the 10th driest of the year.

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

Average high 27.3°C Daytime mean, January

Average low 19.5°C Night-time mean, January

Rainfall 202 mm 19 days with ≥1 mm

Daylight 13 h Sunrise to sunset, per day

January is a warm month in Formosa, Brazil: daytime highs average 27.3°C and nights cool to about 19.5°C. By daytime temperature it is the 6th warmest of the 12 months.

Expect about 202 mm of rain on roughly 19 days, which makes January a very wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 56 min on an average January day.

The nearest other city in this atlas is Planaltina (Goias), Brazil (31 km away). In January its highs average 26.5°C, 0.8°C cooler than Formosa, Brazil, with 211 mm of rain.

Among the 448 cities listed in Brazil, Formosa, Brazil ranks joint 327th of 448 for the warmest January highs and joint 170th of 448 for the driest January (rainfall, lowest first). The mean January high of those 448 cities is 28.5°C; Formosa, Brazil is 1.1°C cooler than that mean.

From January to February, average highs rise by 0.1°C to 27.5°C, and monthly rainfall falls from 202 mm to 161 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

Formosa, Brazil climate table

1991–2020

Monthly climate averages for Formosa, Brazil, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January, selected	27.3°C19.5°C	19.5°C	202	18.7	12.913 h
February	27.5°C19.3°C	19.3°C	161	16.8	12.613 h
March	27.2°C19.2°C	19.2°C	173	18.3	12.212 h
April	27.1°C18.8°C	18.8°C	69	9.9	11.812 h
May	26.7°C17.4°C	17.4°C	14	3.0	11.411 h
June	26.1°C16.1°C	16.1°C	3.6	0.6	11.211 h
July	26.3°C15.7°C	15.7°C	0.3	0.0	11.311 h
August	28.1°C16.9°C	16.9°C	4.3	1.1	11.612 h
September	30.3°C19.2°C	19.2°C	23	3.8	12.012 h
October	30.1°C20.2°C	20.2°C	103	11.5	12.412 h
November	27.4°C19.4°C	19.4°C	218	20.6	12.813 h
December	27.2°C19.5°C	19.5°C	245	20.5	13.013 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 Formosa

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