Climate averages 1991–2020

Manaus weather
in October.

A hot, wet month: the warmest and the 4th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 31.3°C Daytime mean, October
Average low 24.9°C Night-time mean, October
Rainfall 159 mm 22 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Manaus · average highYear overview

October is a hot month in Manaus: daytime highs average 31.3°C and nights cool to about 24.9°C. By daytime temperature it is the warmest month of the year.

Expect about 159 mm of rain on roughly 22 days, which makes October a wet month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 10 min on an average October day.

The nearest other city in this atlas is Manacapuru (70 km away). In October its highs average 30.7°C, 0.6°C cooler than Manaus, with 165 mm of rain.

Among the 448 cities listed in Brazil, Manaus ranks joint 91st of 448 for the warmest October highs and 392nd of 448 for the driest October (rainfall, lowest first). The mean October high of those 448 cities is 28.3°C; Manaus is 3.0°C warmer than that mean.

From October to November, average highs fall by 0.7°C to 30.6°C, and monthly rainfall rises from 159 mm to 193 mm.

The annual picture

October in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. 20253035 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 4000

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Manaus climate table

1991–2020
Monthly climate averages for Manaus, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 29.2°C24.1°C24.1°C29628.012.312 h
February 29.1°C24.0°C24.0°C29625.512.212 h
March 29.2°C24.1°C24.1°C37529.512.112 h
April 29.0°C24.0°C24.0°C36328.812.012 h
May 29.0°C23.9°C23.9°C31229.112.012 h
June 29.2°C23.7°C23.7°C16423.511.912 h
July 29.6°C23.6°C23.6°C10519.912.012 h
August 30.8°C24.1°C24.1°C9917.312.012 h
September 31.2°C24.6°C24.6°C12119.512.112 h
October, selected 31.3°C24.9°C24.9°C15921.612.212 h
November 30.6°C24.8°C24.8°C19323.612.312 h
December 29.6°C24.4°C24.4°C28928.212.312 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

October in nearby cities

Distance from Manaus

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Manaus) is explained once on the Manaus year overview and on the Sources, method and limits page.