Cacém climate

Cacém Weather in May

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

Average highs run from 19°C on May 1 to 22°C on May 31, and lows from 12°C to 15°C. Normal precipitation for the month is 47 mm over about 6 wet days.

May day by day

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

Normal daily high and low temperature at Cacém, in °C, with the record for each date.51015202530151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

May at a glance

Average high
20°C
Average low
14°C
Precipitation
47 mm
Reanalysis high
30°CMay 13, 2019
Reanalysis low
8°CMay 4, 1991
Daylight
13 h 49 min to 14 h 41 min
Cloud cover
55%
Humidity
77%
Dew point
12°C
Wind
19.1 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
May 119°C12°C26°C 199410°C 200428%
May 219°C13°C25°C 19959°C 200428%
May 319°C13°C26°C 20209°C 199128%
May 419°C13°C26°C 19958°C 199129%
May 519°C13°C25°C 20099°C 201029%
May 619°C13°C26°C 200510°C 199129%
May 719°C13°C24°C 201710°C 200428%
May 819°C13°C24°C 200710°C 200427%
May 920°C13°C24°C 200711°C 199127%
May 1020°C13°C26°C 201210°C 199128%
May 1120°C13°C26°C 201510°C 200128%
May 1220°C13°C29°C 201910°C 199128%
May 1320°C13°C30°C 201910°C 201027%
May 1420°C13°C26°C 201412°C 201026%
May 1520°C13°C26°C 201412°C 199126%
May 1620°C13°C28°C 199212°C 201026%
May 1720°C14°C27°C 201512°C 201325%
May 1821°C14°C26°C 200711°C 201324%
May 1921°C14°C26°C 201010°C 201323%
May 2021°C14°C27°C 201010°C 201322%
May 2121°C14°C27°C 201011°C 199322%
May 2221°C14°C28°C 200311°C 201322%
May 2321°C14°C27°C 201711°C 201621%
May 2421°C14°C27°C 201111°C 201420%
May 2521°C14°C28°C 199912°C 201419%
May 2621°C14°C27°C 200611°C 201417%
May 2721°C14°C29°C 200612°C 201416%
May 2822°C15°C29°C 200612°C 201316%
May 2922°C15°C29°C 200912°C 201315%
May 3022°C15°C30°C 201911°C 201315%
May 3122°C15°C28°C 201213°C 200814%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Cacém, in percent.01020301102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+1).

May 1
sunrise 6:40 AM, sunset 8:29 PM
May 31
sunrise 6:15 AM, sunset 8:56 PM

Every day of May: 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.