Arecibo Weather in May
May in Arecibo brings very high temperatures, with daytime highs of 30°C (86°F) and nights around 23°C (73°F). It's also the wettest month of the year, so an umbrella is a must.
Rainfall in Arecibo in May
During this month, the rain comes down heavily. A poncho is essential for staying dry. You can expect rain on roughly 15 days based on historical data, averaging 172 mm (6.8 in) for the month. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.
Temperature in Arecibo in May
May in Arecibo sees highs of 30°C (86°F) and lows of 23°C (73°F) overnight. Sunshine and humidity can make it feel even warmer than the raw temperature suggests. At 23°C (73°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.If you're looking for dry conditions and comfortable temperatures, May may not be the ideal month to visit Arecibo. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Puerto Rico, check out our Arecibo's climate page.
Arecibo Temperature in May
Min Temperature
23°C (73°F)
Max Temperature
30°C (86°F)
Chance of Rain
50%
Precipitation
172 mm (6.8 in)
Rainy days
15 days
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Arecibo typically stay consistent throughout May, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 23°C (73°F).
Average temperatures in May
Historical weather for Arecibo in May
Browse day-by-day weather records for Arecibo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Arecibo historical weather extremes in May
According to our 50 years of weather records for Arecibo, the following extremes were recorded between 1976 and 2026.
- Arecibo recorded its highest May temperature of 36°C (97°F) on May 11, 1980.
- The lowest daytime temperature in May was 25°C (77°F), recorded on May 10, 2014.
- Nighttime temperatures dropped to 20°C (68°F) on May 9, 1989, marking the coldest May night on record.
Best Places in Puerto Rico in May
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 May →
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What to Wear in Arecibo in May
Warm temperatures in May make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything!What To Do in Arecibo in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Puerto Rico, check out our Arecibo's climate page.
See the full Arecibo climate overview or explore weather in Puerto Rico.
