Antiguo Cuscatlán climate

Antiguo Cuscatlán Weather in May

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

Average highs run from 31°C on May 1 to 29°C on May 31, and lows from 26°C to 25°C. Normal precipitation for the month is 164 mm over about 22 wet days.

May day by day

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

Normal daily high and low temperature at Antiguo Cuscatlán, in °C, with the record for each date.10152025303540151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
31°C
Average low
26°C
Precipitation
164 mm
Record high
37°CMay 17, 2003
Record low
12°CMay 8, 1985
Daylight
12 h 38 min to 12 h 52 min
Cloud cover
70%
Humidity
73%
Dew point
22°C
Wind
11.2 km/h

Every day of the month

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

DateNormal highNormal lowRecord highRecord lowChance wet
May 131°C26°C35°C 200315°C 197346%
May 231°C26°C34°C 200216°C 198749%
May 331°C26°C33°C 196117°C 196250%
May 431°C26°C35°C 199718°C 200052%
May 531°C26°C36°C 200217°C 196254%
May 631°C26°C36°C 199718°C 196455%
May 731°C26°C36°C 200217°C 196257%
May 831°C26°C36°C 197912°C 198559%
May 931°C26°C35°C 200315°C 195960%
May 1031°C26°C33°C 200116°C 196362%
May 1131°C26°C34°C 201017°C 195963%
May 1231°C26°C35°C 198718°C 200663%
May 1331°C26°C36°C 195818°C 200665%
May 1431°C26°C36°C 200217°C 196267%
May 1531°C26°C35°C 195818°C 195969%
May 1631°C26°C35°C 196418°C 195870%
May 1731°C26°C37°C 200316°C 199571%
May 1831°C26°C35°C 198716°C 199574%
May 1930°C26°C35°C 198718°C 195976%
May 2030°C26°C34°C 196116°C 200577%
May 2130°C26°C33°C 201418°C 196279%
May 2230°C26°C33°C 202318°C 196280%
May 2330°C26°C33°C 202319°C 198582%
May 2430°C26°C33°C 202119°C 195783%
May 2530°C26°C34°C 196418°C 195984%
May 2630°C25°C33°C 195817°C 195784%
May 2729°C25°C32°C 202417°C 195785%
May 2829°C25°C33°C 200918°C 195785%
May 2929°C25°C33°C 199918°C 195786%
May 3029°C25°C33°C 199917°C 195986%
May 3129°C25°C34°C 196217°C 196587%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Antiguo Cuscatlán, in percent.0204060801001102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (CST).

May 1
sunrise 5:35 AM, sunset 6:13 PM
May 31
sunrise 5:29 AM, sunset 6:21 PM

Every day of May: sun and moon

Other months

Sources

Records: NOAA GHCN-Daily, station ES003800510, every year on file, quality-flagged values removed. 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.