Is Heroica Matamoros hot in December?
Days are typically mild at 22.8°C, while nights average 12.1°C.
Mexico · 1991–2020 normal
Typical December weather in Heroica Matamoros: 22.8°C by day, 12.1°C at night, 31 mm of rain over 4.6 wet days. These are measured 1991–2020 station normals, not a forecast.
In the year-round weather comparison, December scores 89 out of 100 (February leads the year at 97). Daylight is calculated as 10 h 32 from latitude 25.88°. Open-water sea temperature is 21.2°C (38 km from the place centre).
December at a glance
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Days are typically mild at 22.8°C, while nights average 12.1°C.
The measured monthly average is 31 mm across about 5 wet days.
There are about 10 h 32 between sunrise and sunset at mid-month, calculated from the place latitude.
December ranks 4 of 12 in our weather comparison; February ranks first.
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The nearest open-water NOAA OISST 1991–2020 cell averages 21.2°C in December. 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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