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Iquitos, Peru climate

Af Tropical rainforest

Iquitos has a remarkably steady tropical climate (Tropical rainforest, Köppen Af). The hottest month is October with an average daily high near 33°C, while the coldest is July averaging around 22°C at night. Around 2506 mm of precipitation falls each year, peaking in March (285 mm) and easing off in July (132 mm).

☀️ All year

Hot

Daytime highs near 33°C most of the year.

🌙 Nights

Stays warm

Even the coolest nights stay near 22°C.

🌧️ Rain

Very wet

About 2506 mm of rain a year.

Wettest in March

⛅ Sky & trend

Often grey

Overcast skies dominate 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)

Iquitos climate normals (1991–2020)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°C)	32	32	32	32	32	31	31	32	33	33	33	32
Avg temp (°C)	28	27	27	27	27	27	26	27	27	28	28	28
Avg low (°C)	23	23	23	23	23	22	22	22	22	23	23	23
Precipitation (mm)	245	232	285	255	248	163	132	159	161	198	192	236

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Avg high (°C)	32	32	32	32	32	31
Avg temp (°C)	28	27	27	27	27	27
Avg low (°C)	23	23	23	23	23	22
Precipitation (mm)	245	232	285	255	248	163

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°C)	31	32	33	33	33	32
Avg temp (°C)	26	27	27	28	28	28
Avg low (°C)	22	22	22	23	23	23
Precipitation (mm)	132	159	161	198	192	236

Sky & atmosphere

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	82	86	85	81	77	74	70	66	71	77	80	82
Relative humidity (%)	90	90	90	90	90	89	88	87	87	88	90	90
Wind speed (km/h)	0.9	0.8	0.9	0.9	0.9	1.0	1.0	1.0	0.9	0.9	0.9	0.9

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Cloud cover (%)	82	86	85	81	77	74
Relative humidity (%)	90	90	90	90	90	89
Wind speed (km/h)	0.9	0.8	0.9	0.9	0.9	1.0

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	70	66	71	77	80	82
Relative humidity (%)	88	87	87	88	90	90
Wind speed (km/h)	1.0	1.0	0.9	0.9	0.9	0.9

Methodology & sources

Temperature & precipitation — the official 1991–2020 climate normals from SENAMHI, Peru's national weather service, measured at San Roque, about 6 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 →