Viana climate

Viana Weather in July

NASA POWER reanalysis for the half-degree grid cell around Viana, 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 23°C to 22°C. Normal precipitation for the month is 68 mm over about 16 wet days.

July day by day

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

Normal daily high and low temperature at Viana, in °C, with the record for each date.152025303540151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

July at a glance

Average high
30°C
Average low
23°C
Precipitation
68 mm
Reanalysis high
36°CJul 29, 2012
Reanalysis low
20°CJul 15, 2006
Daylight
11 h 56 min to 11 h 59 min
Cloud cover
40%
Humidity
86%
Dew point
23°C
Wind
5.0 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°C23°C31°C 199221°C 199961%
Jul 229°C23°C32°C 199221°C 201763%
Jul 329°C23°C32°C 199221°C 199663%
Jul 429°C23°C31°C 199220°C 200261%
Jul 529°C23°C32°C 201221°C 201760%
Jul 629°C23°C32°C 201221°C 200660%
Jul 729°C23°C33°C 201221°C 201760%
Jul 829°C23°C32°C 199221°C 199760%
Jul 929°C23°C33°C 201221°C 200858%
Jul 1029°C23°C32°C 201220°C 200858%
Jul 1129°C23°C32°C 199221°C 201155%
Jul 1229°C23°C34°C 201221°C 199554%
Jul 1329°C23°C34°C 201220°C 199455%
Jul 1429°C23°C32°C 199220°C 199554%
Jul 1529°C23°C33°C 201220°C 200651%
Jul 1629°C23°C34°C 199220°C 200650%
Jul 1730°C23°C35°C 201221°C 201747%
Jul 1830°C23°C33°C 201220°C 200345%
Jul 1930°C22°C34°C 201220°C 199345%
Jul 2030°C22°C34°C 201221°C 199344%
Jul 2130°C22°C33°C 201221°C 199343%
Jul 2230°C22°C34°C 201221°C 199141%
Jul 2330°C22°C36°C 201220°C 200540%
Jul 2430°C22°C35°C 201221°C 199138%
Jul 2530°C22°C35°C 201220°C 201137%
Jul 2630°C22°C35°C 201221°C 200437%
Jul 2730°C22°C36°C 201221°C 201736%
Jul 2830°C22°C36°C 201221°C 199434%
Jul 2930°C22°C36°C 201220°C 201133%
Jul 3030°C22°C35°C 201221°C 199132%
Jul 3130°C22°C36°C 201221°C 200030%

Chance of rain

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

Sunrise and sunset

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

July 1
sunrise 6:06 AM, sunset 6:02 PM
July 31
sunrise 6:07 AM, sunset 6:06 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.