Georgetown climate

Georgetown Weather in May

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

Average highs run from 28°C on May 1 to 28°C on May 31, and lows from 26°C to 26°C. Normal precipitation for the month is 278 mm over about 26 wet days.

May day by day

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

Normal daily high and low temperature at Georgetown, in °C, with the record for each date.24252627282930151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

May at a glance

Average high
28°C
Average low
26°C
Precipitation
278 mm
Reanalysis high
30°CMay 8, 2010
Reanalysis low
25°CMay 22, 2011
Daylight
12 h 22 min to 12 h 29 min
Cloud cover
67%
Humidity
84%
Dew point
24°C
Wind
16.9 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 128°C26°C29°C 201025°C 200470%
May 228°C26°C29°C 201025°C 201669%
May 328°C26°C29°C 201025°C 200269%
May 428°C26°C29°C 200525°C 199970%
May 528°C26°C29°C 199825°C 200271%
May 628°C26°C29°C 199826°C 200073%
May 728°C26°C29°C 199825°C 200075%
May 828°C26°C30°C 201025°C 200376%
May 928°C26°C29°C 199825°C 200377%
May 1028°C26°C29°C 199826°C 200079%
May 1128°C26°C29°C 199825°C 199480%
May 1228°C26°C29°C 199826°C 199782%
May 1328°C26°C29°C 199425°C 200283%
May 1428°C26°C30°C 201026°C 200884%
May 1528°C26°C29°C 201625°C 200884%
May 1628°C26°C29°C 201025°C 200885%
May 1728°C26°C29°C 200525°C 199186%
May 1828°C26°C29°C 201025°C 199187%
May 1928°C26°C29°C 201025°C 199188%
May 2028°C26°C29°C 201025°C 199189%
May 2128°C26°C29°C 202025°C 199689%
May 2228°C26°C29°C 201625°C 201189%
May 2328°C26°C29°C 201025°C 199690%
May 2428°C26°C29°C 200525°C 199690%
May 2528°C26°C29°C 201025°C 199791%
May 2628°C26°C29°C 200525°C 199792%
May 2728°C26°C29°C 202025°C 199792%
May 2828°C26°C29°C 201025°C 200092%
May 2928°C26°C29°C 200925°C 201292%
May 3028°C26°C29°C 200925°C 200093%
May 3128°C26°C29°C 201025°C 200094%

Chance of rain

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

Sunrise and sunset

Times for 2026, local time (GMT-4).

May 1
sunrise 5:39 AM, sunset 6:01 PM
May 31
sunrise 5:36 AM, sunset 6:05 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 2026-09-26. Sun and moon: computed with the NOAA solar equations and Meeus.