Iquitos in Spring

In spring (September, October and November), Iquitos sees average daytime highs around 30°C and overnight lows near 23°C, with 614 mm of rain over about 75 wet days across the season. It is the warmest season of the year and the 3rd-wettest season.

Across spring, daytime highs hold fairly steady around 30°C. The sky is clear or mostly clear about 5% of the time across spring, and the air most often feels miserable.

Spring is Iquitos's 2nd-best season to visit on our travel score. Iquitos has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Iquitos's year-round climate.

Avg daytime high
30°C
warmest season of the year
Avg overnight low
23°C
Rainfall
614 mm
75 wet days
Avg wind
4 km/h
Travel score
3.0
2nd-best season
Months
Sep · Oct · Nov

Temperature in Iquitos in Spring

Average highAverage lowShaded bands: 10–90% of days

Across spring, daytime highs hold fairly steady around 30°C.

A typical spring day in Iquitos reaches about 30°C and drops to 23°C overnight. The warmest of the three months is September, the coolest September.

20°25°30°35°SepOctNov

How spring really feels in Iquitos

Once humidity and wind are folded in, spring brings about 91 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
91
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in spring is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Iquitos weather by month

How the three spring months (September, October and November) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 24°25225.912.23.0
Feb30° / 24°23324.512.12.9
Mar30° / 24°30428.4122.8
Apr30° / 23°29427.311.92.9
May29° / 23°27126.711.83.2
Jun29° / 23°2192511.83.4
Jul29° / 22°16623.311.83.8
Aug30° / 22°15421.811.93.6
Sep31° / 23°17923.5123.2
Oct31° / 23°20125.912.12.9
Nov30° / 24°23525.812.22.9
Dec30° / 24°26327.212.22.9

Cloud cover in Spring

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time across spring.

0%25%50%75%100%SepOctNov

Chance of precipitation in Spring

Any precipitation

Iquitos gets around 614 mm of rain over 75 wet days across spring. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%80%100%SepOctNov

Humidity in Spring

DryComfortableHumidMuggyOppressiveMiserable

Most of spring feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.

0%25%50%75%100%SepOctNov

Wind in Spring

Winds average 4 km/h across spring.

0246810SepOctNov

Sunrise & sunset in Spring

DaylightNight

Daylight runs from about 11 h 54 min in early September to 12 h 12 min by late November. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMSepOctNov

Solar energy in Spring

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across spring, about 5.0 kWh/m².

0246SepOctNov
Planning a trip in spring

Is spring a good time to visit Iquitos?

Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

3.0
Sightseeing
2nd-best month of the year
4.2
Beach & pool
2nd-best month of the year

spring is a weaker month for outdoor sightseeing in Iquitos.

What to pack for Iquitos in Spring

From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In spring, Iquitos sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 75 days see rain.

light clothesrain gearsun protection

UV index in Iquitos in Spring

LowModerateHighVery highExtreme

Clear-sky midday UV across spring averages around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Iquitos peaks around February 13 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 14 at about 9 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 13UV 16Aug 14UV 9
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar15Extreme
Apr12Extreme
May13Extreme
Jun11Extreme
Jul10Extreme
Aug9Very high
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec12Extreme

Air quality in Iquitos in Spring

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.

Air quality in Iquitos is worst in March — around 15 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (June, 9 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodMar 915 µg/m³Jun 169 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb15Moderate
Mar15Moderate
Apr12Moderate
May10Good
Jun9Good
Jul10Good
Aug13Moderate
Sep15Moderate
Oct10Good
Nov11Good
Dec12Moderate
Location & terrain

Where is Iquitos?

Iquitos sits at 3.7°S, 73.3°W, 107 m above sea level, in Peru. The nearest listed city is Belen, 1.0 km away.

RequenaAtalaia do NorteBenjamin ConstantLeticiaTabatingaYurimaguas

Topography around Iquitos

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Iquitos.

Within 3 km, the terrain around Iquitos has only modest variations in elevation — a maximum elevation change of 36 m around an average of 90 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 78 m; within 80 km, only modest variations in elevation — a maximum elevation change of 116 m.

The land around Iquitos is covered by artificial surfaces (45%) and trees (25%) within 3 km, trees (80%) within 16 km, and trees (96%) within 80 km.

3 km
36 m
16 km
78 m
80 km
116 m
treesgrasslandartificial surfaceswater
Spring weather nearby: Belen 1.0 km · San Juan 4.0 km · Requena 160 km · Atalaia do Norte 346 km · Benjamin Constant 364 km · Leticia 371 km · Tabatinga 372 km · Yurimaguas 398 km

Peru travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B / C
220 V · 60 Hz
Prices
≈ 51% of US
price level, 2025
GDP per capita
$9,684
2025
Happiness
6.0 / 10
World Happiness, 2025
Safe drinking water
49%
of population, 2024
Homicide rate
8.6
per 100k, 2021
Road deaths
13.6
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 519
Religion
Catholic 76%Evangelical Christian 16%no religion 5%other religions 3%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Iquitos (-3.7481°, -73.2529°, elevation 107 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.