Belém, Brazil climate

Af Tropical rainforest

Belém has a remarkably steady tropical climate (Tropical rainforest, Köppen Af). The hottest month is November with an average daily high near 33°C, while the coldest is February averaging around 23°C at night. Precipitation totals about 3308 mm a year and is strongly seasonal — March alone averages 506 mm while September barely receives 120 mm.

☀️ All year

Hot

Daytime highs near 33°C most of the year.

🌙 Nights

Stays warm

Even the coolest nights stay near 23°C.

🌧️ Rain

Very wet

About 3308 mm of rain a year.

Wettest in March

⛅ Sky & trend

Often cloudy

Cloudy skies much of the year.

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)

Belém climate normals (1991–2020)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°C)	31	31	31	32	32	33	33	33	33	33	33	33
Avg temp (°C)	26	26	26	27	27	27	27	27	27	27	27	27
Avg low (°C)	23	23	23	23	23	23	23	23	23	23	23	23
Precipitation (mm)	394	438	506	466	324	206	156	129	120	136	151	283

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Avg high (°C)	31	31	31	32	32	33
Avg temp (°C)	26	26	26	27	27	27
Avg low (°C)	23	23	23	23	23	23
Precipitation (mm)	394	438	506	466	324	206

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°C)	33	33	33	33	33	33
Avg temp (°C)	27	27	27	27	27	27
Avg low (°C)	23	23	23	23	23	23
Precipitation (mm)	156	129	120	136	151	283

Sky & atmosphere

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	80	85	86	82	71	54	48	41	44	53	59	71
Relative humidity (%)	87	92	93	93	92	91	90	87	79	71	70	76
Wind speed (km/h)	1.4	1.3	1.3	1.2	1.2	1.3	1.3	1.4	1.4	1.5	1.5	1.5

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Cloud cover (%)	80	85	86	82	71	54
Relative humidity (%)	87	92	93	93	92	91
Wind speed (km/h)	1.4	1.3	1.3	1.2	1.2	1.3

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	48	41	44	53	59	71
Relative humidity (%)	90	87	79	71	70	76
Wind speed (km/h)	1.3	1.4	1.4	1.5	1.5	1.5

Methodology & sources

Temperature & precipitation — the official 1991–2020 climate normals from INMET, Brazil's national meteorological institute, measured at Belem, about 8 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 →