Cabo Rojo Weather in January
During January, Cabo Rojo experiences high daytime temperatures of 28°C (82°F) and cooler nights around 23°C (73°F). As the driest month of the year, rainfall is at its lowest.
Rainfall in Cabo Rojo in January
With the driest weather of the year, this month is ideal for outdoor fun. This month experiences about 19 days of rain according to historical data, averaging 21 mm (0.8 in). Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.
Temperature in Cabo Rojo in January
If you're visiting Cabo Rojo in January, expect excellent temperatures with highs of 28°C (82°F) and overnight lows of 23°C (73°F). Overall, the month follows a fairly predictable daily temperature pattern. With lows around 23°C (73°F), the nights are warm enough that a sheet is usually all you need for bedding.If you're a fan of comfortable temperatures and drier conditions, January is a great time to visit.
Cabo Rojo Temperature in January
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Cabo Rojo Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Cabo Rojo - and find the best time to visit.
Daily Historical Temperatures
50-year average (1977-2026)
Based on our historical records, temperatures in Cabo Rojo typically stay consistent throughout January, with daily highs averaging around 28°C (82°F). Nights are warm, with lows around 20°C (68°F).
Average temperatures in January
Historical weather records for Cabo Rojo in January
Browse day-by-day weather records for Cabo Rojo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Cabo Rojo historical weather extremes in January
Based on 25 years of weather observations in Cabo Rojo between 2000 and 2025, these are the recorded extremes.
- Cabo Rojo recorded its highest January temperature of 33°C (91°F) on January 1, 2001.
- The lowest daytime temperature in January was 25°C (77°F), recorded on January 31, 2021.
- Nighttime temperatures dropped to 13°C (55°F) on January 20, 2000, marking the coldest January night on record.
Best Places in Puerto Rico in January
Find out more about the weather in Puerto Rico and which places have the best travel conditions in this month. See all of Puerto Rico in January →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Cabo Rojo in January
Warm weather calls for comfortable, breathable clothing in January. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Some rain is possible, so pack something to handle light showers.
What To Do in Cabo Rojo in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling8/10 -
Walking8/10 -
Camping10/10 -
Outdoor sports8/10
Cabo Rojo 3-Day Forecast
See the full Cabo Rojo climate overview or explore weather in Puerto Rico.
Popular in January
Where to go in January - average daytime high across popular destinations.
San Juan
28°C (82°F) Rio Grande28°C (82°F) Aguada
28°C (82°F) Luquillo27°C (81°F) Culebra27°C (81°F) Rincon28°C (82°F) Vieques27°C (81°F) Fajardo27°C (81°F) 
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