Belize climate

Belize Weather in May

NASA POWER reanalysis for the half-degree grid cell around Belize, 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 29°C on May 31, and lows from 22°C to 21°C. Normal precipitation for the month is 143 mm over about 22 wet days.

May day by day

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

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

May at a glance

Average high
29°C
Average low
22°C
Precipitation
143 mm
Reanalysis high
36°CMay 28, 1998
Reanalysis low
18°CMay 18, 2006
Daylight
11 h 56 min to 11 h 52 min
Cloud cover
68%
Humidity
89%
Dew point
23°C
Wind
2.5 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°C22°C30°C 199321°C 200594%
May 228°C22°C30°C 201921°C 200593%
May 328°C22°C30°C 199821°C 200492%
May 428°C22°C31°C 201921°C 200591%
May 528°C22°C31°C 199821°C 200590%
May 628°C22°C31°C 199821°C 200588%
May 728°C22°C30°C 201020°C 200587%
May 828°C22°C31°C 199821°C 200486%
May 928°C22°C31°C 199821°C 200484%
May 1029°C22°C31°C 199821°C 200282%
May 1129°C22°C30°C 200521°C 201380%
May 1229°C22°C31°C 199821°C 199778%
May 1329°C22°C33°C 199821°C 200476%
May 1429°C22°C32°C 199821°C 200474%
May 1529°C22°C32°C 199820°C 200672%
May 1629°C22°C33°C 199819°C 200670%
May 1729°C22°C34°C 199819°C 200668%
May 1829°C22°C34°C 199818°C 200666%
May 1929°C22°C33°C 199819°C 200664%
May 2029°C22°C34°C 199819°C 200661%
May 2129°C22°C35°C 199819°C 200659%
May 2229°C22°C34°C 199818°C 200657%
May 2329°C22°C35°C 199819°C 200655%
May 2429°C22°C35°C 199820°C 200654%
May 2529°C21°C35°C 199820°C 199252%
May 2629°C21°C35°C 199819°C 199750%
May 2729°C21°C35°C 199819°C 199747%
May 2829°C21°C36°C 199819°C 200445%
May 2929°C21°C35°C 199820°C 199742%
May 3029°C21°C34°C 199820°C 200439%
May 3129°C21°C35°C 199820°C 200436%

Chance of rain

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

Sunrise and sunset

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

May 1
sunrise 6:08 AM, sunset 6:04 PM
May 31
sunrise 6:11 AM, sunset 6:03 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.