Puerto Rico · May
Low seasonPuerto Rico · North America
Climate Overview
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ø day, range from coolest to warmest dayØ dayrange | 29° (84°)26– (79–)31 (88) | 29° (84°)26– (79–)31 (88) | 29° (84°)26– (79–)31 (88) | 30° (86°)26– (79–)33 (91) | 31° (88°)27– (81–)33 (91) | 32° (90°)28– (82–)34 (93) | 32° (90°)28– (82–)33 (91) | 32° (90°)28– (82–)34 (93) | 32° (90°)29– (84–)34 (93) | 32° (90°)28– (82–)34 (93) | 30° (86°)27– (81–)32 (90) | 29° (84°)26– (79–)31 (88) |
Ø night, range from coldest to warmest nightØ nightrange | 23° (73°)20– (68–)24 (75) | 23° (73°)21– (70–)24 (75) | 23° (73°)21– (70–)24 (75) | 24° (75°)21– (70–)25 (77) | 25° (77°)22– (72–)26 (79) | 26° (79°)23– (73–)27 (81) | 26° (79°)24– (75–)27 (81) | 27° (81°)24– (75–)28 (82) | 26° (79°)24– (75–)28 (82) | 26° (79°)23– (73–)27 (81) | 25° (77°)22– (72–)26 (79) | 24° (75°)21– (70–)25 (77) |
☀️Sunshine | 7h UV 7 | 7h UV 8 | 8h UV 9 | 8h UV 9 | 8h UV 9 | 8h UV 9 | 8h UV 8 | 7h UV 9 | 7h UV 8 | 7h UV 8 | 6h UV 7 | 7h UV 6 |
🌊Water Temp | 27° (81°) | 27° (81°) | 27° (81°) | 27° (81°) | 28° (82°) | 29° (84°) | 29° (84°) | 29° (84°) | 30° (86°) | 30° (86°) | 29° (84°) | 28° (82°) |
🌧Rain Days | 10d104mm (4.1") | 8d83mm (3.3") | 7d66mm (2.6") | 9d134mm (5.3") | 9d141mm (5.5") | 9d122mm (4.8") | 12d157mm (6.2") | 12d168mm (6.6") | 11d131mm (5.2") | 12d145mm (5.7") | 13d186mm (7.3") | 12d125mm (4.9") |
Best travel time current monthØ = average · small figures = range: coolest–warmest day / coldest–warmest nightClimate data 2005–2025 · Source: ERA5 + station data
Off-season — lowest travel prices with still acceptable climate.
May in Puerto Rico is generally manageable, but with 9 rain days it's not a reliably sunny month. Better conditions can be found in February and March.
Daytime highs average 31°C (88°F), cooling to 25°C (77°F) at night (daily average: 28°C (82°F)). Peaks reach around 33°C (91°F), the coldest nights around 22°C (72°F). The sun shines an average of 8 hours per day; there are 9 rain days with 141 mm (5.6 in) total. The water is a warm 28°C (82°F) — perfect for snorkelling and swimming.
Sun protection, a hat, and plenty of water are essential at these temperatures. Plan activities for early morning or evening.
More warmth and more rain: showers come more often, but the sun shines strongly between the clouds. The El Yunque rainforest is lush green and the waterfalls are full. Hotel prices are lower, and the beaches empty after the high season.
Packing list for Puerto Rico in May
- Light summer clothes
- Swimwear and beach towel
- SPF 50 sunscreen
- Sunglasses
- Sun hat
- Light umbrella or rain poncho
- Insect repellent
- Travel first-aid kit
Frequently Asked Questions
- Is May a good time to visit Puerto Rico?
- May is not an optimal month for Puerto Rico (Score: 75/100), but it is manageable. For better conditions, consider February and March.
- How warm is it in Puerto Rico in May?
- In May, Puerto Rico sees daily highs of 31°C (88°F). Nights cool to 25°C (77°F), with a daily average of 28°C (82°F). Peaks reach around 33°C (91°F), the coldest nights around 22°C (72°F).
- How much rain falls in Puerto Rico in May?
- In May, Puerto Rico receives an average of 141 mm (5.6 in) of rain over 9 rain days. An umbrella may occasionally be needed.
- How many sunshine hours does Puerto Rico get in May?
- Puerto Rico averages 8 sunshine hours per day in May — close to the annual average.
- How warm is the water in Puerto Rico in May?
- Water temperature in Puerto Rico in May averages 28°C (82°F) — ideal for swimming and snorkelling.
