Climate averages 1991–2020

Picos weather
in October.

A very hot, very dry month: the warmest and the 5th driest of the year.

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

Average high 36.6°C Daytime mean, October
Average low 25.9°C Night-time mean, October
Rainfall 9.4 mm 1 day with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Picos · average highYear overview

October is a very hot month in Picos: daytime highs average 36.6°C and nights cool to about 25.9°C. By daytime temperature it is the warmest month of the year.

Expect about 9.4 mm of rain on roughly 1 day, which makes October a very dry month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 15 min on an average October day.

The nearest other city in this atlas is Araripina (120 km away). In October its highs average 32.5°C, 4.1°C cooler than Picos, with 11 mm of rain.

Among the 448 cities listed in Brazil, Picos ranks 2nd of 448 for the warmest October highs and 25th of 448 for the driest October (rainfall, lowest first). The mean October high of those 448 cities is 28.3°C; Picos is 8.3°C warmer than that mean.

From October to November, average highs fall by 0.8°C to 35.8°C, and monthly rainfall rises from 9.4 mm to 25 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. 2025303540 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 1500

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

Every month, side by side

Picos climate table

1991–2020
Monthly climate averages for Picos, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 32.1°C24.2°C24.2°C14116.612.512 h
February 31.2°C23.5°C23.5°C14117.112.312 h
March 30.9°C23.3°C23.3°C14918.912.112 h
April 31.4°C23.4°C23.4°C8811.612.012 h
May 32.5°C23.8°C23.8°C304.811.812 h
June 32.5°C23.1°C23.1°C3.91.011.712 h
July 32.6°C22.4°C22.4°C2.20.511.812 h
August 33.9°C22.6°C22.6°C0.70.111.912 h
September 35.7°C24.2°C24.2°C1.70.212.112 h
October, selected 36.6°C25.9°C25.9°C9.41.412.312 h
November 35.8°C26.2°C26.2°C254.512.412 h
December 34.5°C25.7°C25.7°C587.812.513 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 Picos

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 Picos) is explained once on the Picos year overview and on the Sources, method and limits page.