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Puerto Maldonado, Peru climate

Am Tropical monsoon

Puerto Maldonado has a remarkably steady tropical climate (Tropical monsoon, Köppen Am). The hottest month is October with an average daily high near 33°C, while the coldest is July averaging around 18°C at night. Precipitation totals about 1954 mm a year and is strongly seasonal — January alone averages 316 mm while July barely receives 42 mm.

☀️ All year

Hot

Daytime highs near 33°C most of the year.

🌙 Nights

Stays warm

Even the coolest nights stay near 18°C.

🌧️ Rain

Very wet

About 1954 mm of rain a year.

Wettest in January

⛅ 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)

Puerto Maldonado climate normals (1991–2020)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°C)	31	31	31	31	30	30	30	32	33	33	32	31
Avg temp (°C)	27	27	27	26	25	24	24	26	27	27	27	27
Avg low (°C)	22	22	22	22	20	19	18	19	21	22	23	23
Precipitation (mm)	316	294	206	171	100	57	42	52	84	165	200	266

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Avg high (°C)	31	31	31	31	30	30
Avg temp (°C)	27	27	27	26	25	24
Avg low (°C)	22	22	22	22	20	19
Precipitation (mm)	316	294	206	171	100	57

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°C)	30	32	33	33	32	31
Avg temp (°C)	24	26	27	27	27	27
Avg low (°C)	18	19	21	22	23	23
Precipitation (mm)	42	52	84	165	200	266

Sky & atmosphere

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	84	85	81	70	67	58	52	51	63	75	79	83
Relative humidity (%)	90	91	91	90	89	86	79	69	66	73	81	87
Wind speed (km/h)	0.3	0.3	0.3	0.4	0.4	0.5	0.5	0.4	0.4	0.3	0.2	0.3

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Cloud cover (%)	84	85	81	70	67	58
Relative humidity (%)	90	91	91	90	89	86
Wind speed (km/h)	0.3	0.3	0.3	0.4	0.4	0.5

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	52	51	63	75	79	83
Relative humidity (%)	79	69	66	73	81	87
Wind speed (km/h)	0.5	0.4	0.4	0.3	0.2	0.3

Methodology & sources

Temperature & precipitation — 1991–2020 normals computed from 24 years of daily observations at Padre Aldamiz, a weather station, about 4 km from the city centre. The underlying daily records come from NOAA's global station network.

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 →