Puerto Rico · December
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.
December in Puerto Rico is generally manageable, but with 12 rain days it's not a reliably sunny month. Better conditions can be found in February and March.
Daytime highs average 29°C (84°F), cooling to 24°C (75°F) at night (daily average: 26°C (79°F)). Peaks reach around 31°C (88°F), the coldest nights around 21°C (70°F). The sun shines an average of 7 hours per day; there are 12 rain days with 125 mm (4.9 in) total. The water is a warm 28°C (82°F) — perfect for snorkelling and swimming.
Light clothing is enough — the evenings stay mild too. Good conditions for sightseeing and excursions.
The most pleasant time for city and beach. Highs sit around 28°C (82°F), rain days become fewer, and San Juan's old town is easy to explore on foot. In the Christmas weeks Puerto Ricans celebrate with parrandas and long fiestas that stretch into mid-January.
Packing list for Puerto Rico in December
- Light summer clothes
- Swimwear and beach towel
- Sunscreen
- Sunglasses
- Light umbrella or rain poncho
- Insect repellent
- Travel first-aid kit
Frequently Asked Questions
- Is December a good time to visit Puerto Rico?
- December is not an optimal month for Puerto Rico (Score: 66/100), but it is manageable. For better conditions, consider February and March.
- How warm is it in Puerto Rico in December?
- In December, Puerto Rico sees daily highs of 29°C (84°F). Nights cool to 24°C (75°F), with a daily average of 26°C (79°F). Peaks reach around 31°C (88°F), the coldest nights around 21°C (70°F).
- How much rain falls in Puerto Rico in December?
- In December, Puerto Rico receives an average of 125 mm (4.9 in) of rain over 12 rain days. An umbrella may occasionally be needed.
- How many sunshine hours does Puerto Rico get in December?
- Puerto Rico averages 7 sunshine hours per day in December — close to the annual average.
- How warm is the water in Puerto Rico in December?
- Water temperature in Puerto Rico in December averages 28°C (82°F) — ideal for swimming and snorkelling.
