Guanica Weather in March
Guanica in March sees high daytime temperatures of 28°C (82°F) and nighttime lows of 23°C (73°F). Moderate rainfall is typical, with around 37 mm (1.5 in) for the month.
Rainfall in Guanica in March
Climate statistics over the past 30 years suggest around 14 days of rain, with 37 mm (1.5 in) average for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Guanica in March
Weather in Guanica is at its excellent in March. Highs reach 28°C (82°F), while nights settle around 23°C (73°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 23°C (73°F) overnight, nights are warm enough to sit outside comfortably in light clothing.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Guanica Temperature in March
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Guanica Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Guanica - and find the best time to visit.
Daily Historical Temperatures
49-year average (1977-2025)
Based on our historical records, temperatures in Guanica typically stay consistent throughout March, with daily highs averaging around 28°C (82°F). Nights are warm, with lows around 21°C (70°F).
Average temperatures in March
Historical weather records for Guanica in March
Browse day-by-day weather records for Guanica spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Guanica historical weather extremes in March
Based on weather observations in Guanica between 1977 and 2026, these are the recorded extremes during March.
- The warmest day in March was on March 25, 1997, with a maximum of 34°C (93°F).
- The lowest daytime temperature in March was 21°C (70°F), recorded on March 4, 1981.
- The coldest night in March in Guanica was on March 12, 2008, with a minimum of 15°C (59°F).
Best Places in Puerto Rico in March
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 March →
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 Guanica in March
Warm weather calls for comfortable, breathable clothing in March. 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 Guanica in March
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
Guanica 3-Day Forecast
See the full Guanica climate overview or explore weather in Puerto Rico.
Popular in March
Where to go in March - average daytime high across popular destinations.
San Juan
29°C (84°F) Rio Grande28°C (82°F) Luquillo28°C (82°F) Fajardo27°C (81°F) Aguada
28°C (82°F) Rincon28°C (82°F) Culebra27°C (81°F) Vieques27°C (81°F) 
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