Is Heroica Matamoros hot in May?
Days are typically hot at 31.8°C, while nights average 22.6°C.
Mexico · 1991–2020 normal
Typical May weather in Heroica Matamoros: 31.8°C by day, 22.6°C at night, 56 mm of rain over 3.5 wet days. These are measured 1991–2020 station normals, not a forecast.
In the year-round weather comparison, May scores 57 out of 100 (February leads the year at 97). Daylight is calculated as 13 h 24 from latitude 25.88°. Open-water sea temperature is 25.4°C (38 km from the place centre).
May at a glance
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Days are typically hot at 31.8°C, while nights average 22.6°C.
The measured monthly average is 56 mm across about 4 wet days.
There are about 13 h 24 between sunrise and sunset at mid-month, calculated from the place latitude.
May ranks 8 of 12 in our weather comparison; February ranks first.
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The nearest open-water NOAA OISST 1991–2020 cell averages 25.4°C in May. A sheltered bay can run warmer than that open-water cell.
The evidence behind this page
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The weather comparison for Heroica Matamoros is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
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