Hatillo Weather in May
May in Hatillo brings high temperatures, with daytime highs of 30°C (86°F) and nights around 24°C (75°F). Quite a bit of rainfall is expected, around 166 mm (6.5 in), so pack an umbrella.
Rainfall in Hatillo in May
Typically around 15 days of rainfall are expected, averaging 166 mm (6.5 in) for the month. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.
Temperature in Hatillo in May
May in Hatillo brings typical temperatures with highs around 30°C (86°F) and lows of 24°C (75°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights are warm at 24°C (75°F). It's worth making sure your accommodation has decent ventilation or air conditioning.May in Hatillo can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
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 Hatillo's climate page.
Hatillo Temperature in May
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Hatillo 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 Hatillo in May
Browse day-by-day weather records for Hatillo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Hatillo historical weather extremes in May
The extremes listed below come from historical weather data collected in Hatillo from 1979 through 2026.
- The warmest day in May was on May 18, 1997, with a maximum of 37°C (99°F).
- The lowest daytime temperature in May was 23°C (73°F), recorded on May 20, 1979.
- Hatillo registered its coldest May night on May 12, 2017, with temperatures dropping to 19°C (66°F).
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 →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Hatillo 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 Hatillo 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 Hatillo's climate page.
See the full Hatillo climate overview or explore weather in Puerto Rico.