Climate averages 1991–2020

Santana weather
in May.

A hot, very wet month: the 9th warmest and the 10th driest of the year.

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

Average high 28.6°C Daytime mean, May
Average low 23.6°C Night-time mean, May
Rainfall 324 mm 29 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Santana · average highYear overview

May is a hot month in Santana: daytime highs average 28.6°C and nights cool to about 23.6°C. By daytime temperature it is the 9th warmest of the 12 months.

Expect about 324 mm of rain on roughly 29 days, which makes May a very wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 07 min on an average May day.

The nearest other city in this atlas is Macapá (15 km away). In May its highs average 28.4°C, about as warm as Santana, with 357 mm of rain.

Among the 448 cities listed in Brazil, Santana ranks joint 91st of 448 for the warmest May highs and 443rd of 448 for the driest May (rainfall, lowest first). The mean May high of those 448 cities is 25.3°C; Santana is 3.3°C warmer than that mean.

From May to June, average highs rise by 0.3°C to 28.9°C, and monthly rainfall falls from 324 mm to 172 mm.

The annual picture

May 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 3500

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

Every month, side by side

Santana climate table

1991–2020
Monthly climate averages for Santana, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 28.8°C23.5°C23.5°C22927.112.112 h
February 28.3°C23.3°C23.3°C28126.212.112 h
March 28.4°C23.3°C23.3°C33528.712.112 h
April 28.4°C23.4°C23.4°C35028.812.112 h
May, selected 28.6°C23.6°C23.6°C32429.412.112 h
June 28.9°C23.6°C23.6°C17226.512.112 h
July 29.3°C23.6°C23.6°C12724.912.112 h
August 30.4°C24.3°C24.3°C5916.512.112 h
September 31.5°C24.7°C24.7°C248.512.112 h
October 32.3°C24.9°C24.9°C185.012.112 h
November 32.0°C24.9°C24.9°C317.312.112 h
December 30.4°C24.3°C24.3°C10519.312.112 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

May in nearby cities

Distance from Santana

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