Fajardo Weather in May
May in Fajardo brings high temperatures, with daytime highs of 29°C (84°F) and nights around 25°C (77°F). Quite a bit of rainfall is expected, around 132 mm (5.2 in), so pack an umbrella.
Rainfall in Fajardo in May
Historically, approximately 16 days this month are expected to have rain, averaging 132 mm (5.2 in). This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.
Temperature in Fajardo in May
Temperatures in Fajardo in May top out at 29°C (84°F) and drop to 25°C (77°F) overnight. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights are warm at 25°C (77°F). It's worth making sure your accommodation has decent ventilation or air conditioning.
Sunshine in Fajardo in May
The days are predominantly sunny, with an estimated total of around 255 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.If you prefer enjoying temperate temperatures and rain-free days, January, February, March, April and December typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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 Fajardo's climate page.
Fajardo Temperature in May
Min Temperature
25°C (77°F)
Max Temperature
29°C (84°F)
Chance of Rain
54%
Precipitation
132 mm (5.2 in)
Rainy days
16 days
Humidity
75% *
Sunshine
255 hours *
Percentage Sunshine
63% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Fajardo typically stay consistent throughout May, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 25°C (77°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Fajardo in May
Browse day-by-day weather records for Fajardo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Fajardo historical weather extremes in May
Based on weather observations in Fajardo between 2005 and 2026, these are the recorded extremes during May.
- The warmest day in May was on May 21, 2005, with a maximum of 34°C (93°F).
- The lowest daytime temperature in May was 26°C (79°F), recorded on May 10, 2014.
- The coldest night in May in Fajardo was on May 21, 2011, with a minimum of 21°C (70°F).
- Peak precipitation in May occurred on May 23, 2021, when 79 mm (3.1 in) of precipitation was measured.
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 Fajardo in May
Warm weather calls for comfortable, breathable clothing in May. 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). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Fajardo 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 Fajardo's climate page.
Temperature Rainfall Sunshine Humidity
See the full Fajardo climate overview or explore weather in Puerto Rico.
