March weather forecast
Puerto Rico, USA

March ushers in a transition phase for Puerto Rico, as the island gradually shifts from the dry to the onset of the wet season. The month experiences temperatures ranging from 73°F (22.8°C) on the cooler side to a slightly increased high of 86°F (30°C), consistent with the incremental warming trend observed from January.

Cities like San Juan in the north, given their geographical location, tend to be marginally cooler. Yet, it's the regions within the Cordillera Central Mountain Range, particularly towns like Aibonito and Ciales, that exhibit a more pronounced coolness due to their elevated nature.

When juxtaposed with February, March witnesses a slight intensification in warmth. Furthermore, the frequency of rainfall begins to pick up, especially as the month progresses. As the island moves towards April, sporadic rainfall becomes more commonplace, indicating the approaching wet season. Nevertheless, coastal regions, encompassing areas like Aguadilla and Fajardo, maintain their warmth, offering a balmy respite before the onset of the consistently hotter and more humid months ahead.

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• San Juan - March »
  February and March, with an average ocean temperature of 79°F (26.1°C), are months with the coldest seawater in San Juan. The months with the lowest humidity are February and March, with an average relative humidity of 76%.
• Fajardo - March »
  In Fajardo during March, the rain falls for 14.3 days and regularly aggregates up to 1.14" (29mm) of precipitation. February and March, with an average relative humidity of 76%, are the least humid months in Fajardo, Puerto Rico.
• Toa Baja - March »
  In Toa Baja, Puerto Rico, in March, it is raining for 17 days, with typically 2.01" (51mm) of accumulated precipitation. As spring approaches, March in Toa Baja, Puerto Rico, carries forward the mild and enjoyable weather from February.
• Aguadilla - March »
  In Aguadilla, Puerto Rico, in March, it is raining for 17.7 days, with typically 1.81" (46mm) of accumulated precipitation. Aguadilla's coldest month, March, registers temperatures that range from a high of 80.2°F (26.8°C) to a low of 74.3°F (23.5°C).
• Vega Baja - March »
  The month of March, characterized by an average high of 80.2°F (26.8°C) and a low of 72.5°F (22.5°C), is recognized as the coldest in Vega Baja, Puerto Rico. On the last day of March, in Vega Baja sunrise is at 6:19 am and sunset at 6:39 pm AST.
• Juana Díaz - March »
  February and March, with an average ocean temperature of 79.3°F (26.3°C), are months with the coldest seawater in Juana Díaz. In Juana Díaz in March, it is raining for 18.8 days, with typically 1.54" (39mm) of accumulated precipitation.
• Adjuntas - March »
  With an average relative humidity of 75%, March is the least humid month in Adjuntas, Puerto Rico. The least humid month in Adjuntas is March, with an average relative humidity of 75%.
• Cabo Rojo - March »
  In Cabo Rojo during March, the rain falls for 17.6 days and regularly aggregates up to 1.5" (38mm) of precipitation. In Cabo Rojo during March, the rain falls for 17.6 days and regularly aggregates up to 1.5" (38mm) of precipitation.
• Guánica - March »
  The months with the lowest UV index in Guánica are January through March, November and December, with an average maximum UV index of 6. January through March, November and December, with an average maximum UV index of 6, are months with the lowest UV index in Guánica, Puerto Rico.
• Vega Alta - March »
  The weather in Vega Alta during March continues to change gradually, bringing a subtle decrease in humidity compared to the previous month. On the first day of March in Vega Alta sunrise is at 6:43 am and sunset at 6:31 pm.
• Luquillo - March »
  In Luquillo during March, the rain falls for 14.3 days and regularly aggregates up to 1.14" (29mm) of precipitation. March is the month when Luquillo experiences its coldest temperatures, averaging a high of 79°F (26.1°C) and a low of 75.7°F (24.3°C).
• Rincon - March »
  The least humid month in Rincon is March, with an average relative humidity of 75%. On the last day of March, in Rincon, sunrise is at 6:23 am and sunset at 6:42 pm AST.