Puerto Rico climate

World Climates covers 3 places in Puerto Rico. By annual mean temperature, the warmest is Ponce (27 °C81 °F) and the coolest is Carolina (27 °C81 °F). The wettest is San Juan with 1,207 mm48 in of precipitation per year, the driest Ponce with 899 mm35 in.

The most common climate types (Köppen classification computed from these averages) are tropical savanna (dry winter) (Aw, 3 places).

The highest monthly average high is in Ponce (31 °C88 °F in August); the lowest monthly average low is in Ponce (23 °C73 °F in February).

Across the places in Puerto Rico, the months that most often rank as the most comfortable are January, February and March (3, 3 and 3 of 3 places respectively).

Temperature and rainfall across Puerto Rico

Annual mean temperatures in Puerto Rico range from 27 °C81 °F to 27 °C81 °F. The typical place (the median of all 3) has a year average of 27 °C81 °F. Annual precipitation ranges from 899 mm35 in to 1,207 mm48 in. The median place receives about 1,207 mm48 in in an average year.

In 0 places of 3, the coldest month has an average low below 0 °C (32 °F). In 3 places, the warmest month has an average high above 30 °C (86 °F). No place here gets less than 250 mm (10 in) of precipitation a year. None gets more than 2,000 mm (79 in) a year.

Averaged over all 3 places, August is the warmest month, with a mean of 29 °C83 °F. January is the coldest, with 26 °C78 °F. The wettest month on average is October (145 mm5.7 in). The driest is February (40 mm1.6 in). Single places can differ a lot from this average, so check the page of each city.

The table below lists the places sorted by population. The largest ones covered here are San Juan, Carolina and Ponce. Each city page has a chart and a table for every month. It also shows the best time to visit and what to pack. The figures are 25-year averages for 2001–2025 from NASA POWER. They describe grid cells of roughly 50–70 km, not single weather stations.

Climate of each place in Puerto Rico

San Juan has a tropical savanna (dry winter) climate (Köppen Aw). Its year average is 27 °C81 °F. The warmest month is August, with an average high of 30 °C87 °F. The coldest is January, with an average low of 23 °C74 °F. About 1,207 mm48 in of precipitation falls in a year. September is the wettest month and February the driest. By our comfort score, the best months to visit are December–March.

Carolina has a tropical savanna (dry winter) climate (Köppen Aw). Its year average is 27 °C81 °F. The warmest month is August, with an average high of 30 °C87 °F. The coldest is January, with an average low of 23 °C74 °F. About 1,207 mm48 in of precipitation falls in a year. September is the wettest month and February the driest. By our comfort score, the best months to visit are December–April.

Ponce has a tropical savanna (dry winter) climate (Köppen Aw). Its year average is 27 °C81 °F. The warmest month is August, with an average high of 31 °C88 °F. The coldest is January, with an average low of 23 °C73 °F. About 899 mm35 in of precipitation falls in a year. October is the wettest month and February the driest. By our comfort score, the best months to visit are December–March.

Frequently asked questions

Which is the warmest place in Puerto Rico?

By annual mean temperature, the warmest place in Puerto Rico is Ponce at 27 °C81 °F. The coolest is Carolina at 27 °C81 °F.

Where does it rain the most in Puerto Rico?

San Juan gets the most precipitation, 1,207 mm48 in in an average year. The driest place is Ponce with 899 mm35 in.

How many places in Puerto Rico does this site cover?

World Climates has climate data for 3 places in Puerto Rico. Each one has a page with monthly averages for temperature, rainfall, humidity and daylight.

When is the best time to visit Puerto Rico?

It depends on the place. Across Puerto Rico, the months that most often rank as the most comfortable are January, February and March. Check the page of each city for its own best months.