São Luís climate

São Luís Weather in July

NASA POWER reanalysis for the half-degree grid cell around São Luís, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from 29°C on July 1 to 30°C on July 31, and lows from 25°C to 24°C. Normal precipitation for the month is 96 mm over about 19 wet days.

July day by day

The normal high and low for each date, in °C.

Normal daily high and low temperature at São Luís, in °C, with the record for each date.2022.52527.53032.535151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

July at a glance

Average high
29°C
Average low
24°C
Precipitation
96 mm
Reanalysis high
34°CJul 29, 2012
Reanalysis low
22°CJul 2, 2017
Daylight
11 h 59 min to 12 h 01 min
Cloud cover
40%
Humidity
84%
Dew point
23°C
Wind
7.6 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

DateNormal highNormal lowReanalysis highReanalysis lowChance wet
Jul 129°C25°C31°C 199223°C 200866%
Jul 229°C25°C31°C 199222°C 201767%
Jul 329°C25°C30°C 199223°C 199467%
Jul 429°C25°C30°C 201224°C 199466%
Jul 529°C25°C31°C 199223°C 201765%
Jul 629°C25°C31°C 201223°C 200066%
Jul 729°C25°C31°C 201223°C 200066%
Jul 829°C25°C31°C 199224°C 199766%
Jul 929°C25°C31°C 199224°C 199664%
Jul 1029°C25°C31°C 201223°C 199662%
Jul 1129°C25°C31°C 199224°C 199962%
Jul 1229°C24°C32°C 199224°C 199360%
Jul 1329°C24°C32°C 201223°C 200860%
Jul 1429°C24°C31°C 199223°C 201160%
Jul 1529°C24°C31°C 201623°C 200658%
Jul 1629°C24°C31°C 199223°C 200656%
Jul 1729°C24°C32°C 201224°C 199154%
Jul 1829°C24°C32°C 199223°C 199553%
Jul 1929°C24°C32°C 199223°C 199152%
Jul 2030°C24°C31°C 201223°C 199352%
Jul 2130°C24°C31°C 199223°C 199350%
Jul 2230°C24°C32°C 201223°C 199148%
Jul 2330°C24°C33°C 201223°C 200146%
Jul 2430°C24°C32°C 201223°C 199145%
Jul 2530°C24°C33°C 201223°C 200644%
Jul 2630°C24°C33°C 201224°C 199643%
Jul 2730°C24°C33°C 201224°C 199242%
Jul 2830°C24°C33°C 201224°C 200041%
Jul 2930°C24°C34°C 201223°C 200038%
Jul 3030°C24°C33°C 201224°C 199136%
Jul 3130°C24°C33°C 201223°C 200436%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at São Luís, in percent.0204060801102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT-3).

July 1
sunrise 6:02 AM, sunset 6:01 PM
July 31
sunrise 6:03 AM, sunset 6:04 PM

Every day of July: sun and moon

Other months

Sources

Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.