Weather in Brasília in January

A good month. January is a solid month to be in Brasília. You should expect rain on 24 days of the month, which is more days wet than dry.

January ranks 7 of 12 in Brasília: past the worst of the year but short of June, which is the month to book if the dates are open.

Rain on 24 of the month's 31 days, 8 of them heavy. At that frequency a wet-weather backup is not a contingency, it is the itinerary — book the indoor things first and treat the clear days as the bonus. Nothing specialised needed — this is the month you pack for the trip rather than for the weather.

What the averages hide

The averages here are honest — no hidden extremes worth planning around. Across the twenty years measured, the hottest January day reached 33.5 °C and the coldest night fell to 13 °C, and the wettest single day dropped 72 mm — roughly 34% of the month's rain in one day.

January is moderately variable: 68 mm in the driest year against 431 mm in the wettest, around an average of 209 mm. Roughly two Januarys in three land near that average, and the third does something else entirely.

Wind is light at 6.6 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 81%, high enough to notice on the warm days without dominating them.

How January sits in the year

Temperatures hold steady either side: 26.2 °C in December, 26 here, 26 in February. Nothing about the timing within the month matters much.

Daylight in January

Brasília sits close enough to the equator that daylight barely moves all year — 13 hours in January, against a range of just 1.9 hours across the whole calendar. Sunrise and sunset land at roughly the same time whenever you come.

An inland climate

Despite being inland, the year stays fairly even: 19.3 °C between the year's warmest afternoons and coldest nights. At 1136 m the air is thin enough to matter — sun that burns faster than the temperature suggests, and nights that cool off quickly.

How busy it gets

Shoulder. The value months — prices ease off and you get the place closer to itself.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

January in Brasília versus nearby

If Brasília is one option among several, the nearby comparison is worth making. Goiânia is close enough to be a coin toss — 2 °C warmer, 1 day more rain. Belo Horizonte is close enough to be a coin toss — within a degree on temperature, 4 days less rain.

So: January is a compromise. June is 33 points better and is what Brasília is actually like at its best — worth moving the trip for if that is possible, and worth adjusting expectations for if it is not.

Every month in Brasília

See all twelve months in Brasília, or where else to go in January.