Palmas, Brazil climate

As Tropical savanna (dry summer)

Palmas has a remarkably steady tropical climate (Tropical savanna (dry summer), Köppen As). The hottest month is September with an average daily high near 99°F, while the coldest is January averaging around 72°F at night. Precipitation totals about 69 inches a year and is strongly seasonal — January alone averages 11.8 inches while July barely receives 0.04 inches.

☀️ All year

Very hot

Daytime highs near 99°F most of the year.

🌙 Nights

Stays warm

Even the coolest nights stay near 72°F.

🌧️ Rain

Very wet

About 69 in of rain a year.

Wettest in January

⛅ Sky & trend

Partly cloudy

A roughly even mix of sun and cloud.

Temperature & precipitation

Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figures

Hours of sunshine per day

Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER)

Palmas climate normals (1991–2020)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°F)	89	89	89	91	93	94	95	98	99	95	91	90
Avg temp (°F)	79	79	79	80	81	80	80	83	85	83	81	80
Avg low (°F)	72	72	73	73	72	69	67	70	74	74	73	73
Precipitation (in)	11.8	10.2	10.4	7.1	2.4	0.2	0.0	0.1	1.8	5.7	8.8	10.4

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Avg high (°F)	89	89	89	91	93	94
Avg temp (°F)	79	79	79	80	81	80
Avg low (°F)	72	72	73	73	72	69
Precipitation (in)	11.8	10.2	10.4	7.1	2.4	0.2

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°F)	95	98	99	95	91	90
Avg temp (°F)	80	83	85	83	81	80
Avg low (°F)	67	70	74	74	73	73
Precipitation (in)	0.0	0.1	1.8	5.7	8.8	10.4

Sky & atmosphere

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	81	81	81	68	47	22	16	24	48	72	80	81
Relative humidity (%)	82	83	84	82	78	69	58	48	46	59	73	79
Wind speed (mph)	3.0	3.0	2.9	3.0	3.5	4.3	4.8	5.2	5.2	4.1	3.4	3.1

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Cloud cover (%)	81	81	81	68	47	22
Relative humidity (%)	82	83	84	82	78	69
Wind speed (mph)	3.0	3.0	2.9	3.0	3.5	4.3

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	16	24	48	72	80	81
Relative humidity (%)	58	48	46	59	73	79
Wind speed (mph)	4.8	5.2	5.2	4.1	3.4	3.1

Methodology & sources

Temperature & precipitation — the official 1991–2020 climate normals from INMET, Brazil's national meteorological institute, measured at Palmas, about 3 km from the city centre.

Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.

How we build these numbers →