
| 10 Sep Thu | 11 Sep Fri | 12 Sep Sat | 13 Sep Sun | 14 Sep Mon | 15 Sep Tue | 16 Sep Wed | |
|---|---|---|---|---|---|---|---|
| Temp (°C) | 32° 27° | 33° 28° | 32° 27° | 32° 27° | 31° 27° | 31° 26° | 32° 26° |
| Precipitation | 57% | 15% | 26% | 57% | 55% | 58% | 50% |
| Humidity | 77% | 73% | 71% | 73% | 71% | 73% | 73% |
| Wind | 30 km/h | 28 km/h | 26 km/h | 26 km/h | 28 km/h | 23 km/h | 17 km/h |
Best time to visit Puerto Rico
The best time to visit San Juan is December to April, when conditions are warm and relatively dry for beaches, walks and sightseeing. May to July and November are hotter or showery, while August to October are least favourable because heavy rain, flooding potential and peak hurricane season can disrupt plans.
JanuaryTemp (°C)26°Rain (mm)10Sun Hours9Dry Days24
January is warm and relatively dry, around 22-29°C, suiting Old San Juan walks, beach time and outdoor sightseeing.
FebruaryTemp (°C)25°Rain (mm)9Sun Hours9Dry Days21
February is warm and relatively dry, around 22-27°C, with good conditions for beaches, historic streets and outdoor excursions.
MarchTemp (°C)25°Rain (mm)14Sun Hours9Dry Days23
March is warm and relatively dry, around 21-28°C, with comfortable conditions for city walks, beaches and trips around the island.
AprilTemp (°C)26°Rain (mm)9Sun Hours9Dry Days23
April is warm and fairly dry, around 23-30°C, supporting beach visits, sightseeing and outdoor activities.
MayTemp (°C)27°Rain (mm)19Sun Hours11Dry Days19
May is hot and showery, around 24-31°C. Rainfall is frequent enough to interrupt outdoor plans, although sightseeing can fit between showers.
JuneTemp (°C)28°Rain (mm)6Sun Hours12Dry Days23
June is hot and humid, around 25-31°C, with regular showers and hurricane risk that month. A storm can cancel flights and wreck the trip.
JulyTemp (°C)28°Rain (mm)12Sun Hours11Dry Days22
July is hot and humid, around 25-32°C, with frequent showers and hurricane risk that month. Plan outdoor activities around periods of rain.
AugustTemp (°C)28°Rain (mm)16Sun Hours10Dry Days21
August is hot and humid, around 23-32°C, with heavy rain, flooding potential and peak hurricane season. A storm can cancel flights and wreck the trip; the year's highest dengue risk accompanies the heaviest rain.
SeptemberTemp (°C)28°Rain (mm)15Sun Hours10Dry Days20
September is hot, around 26-31°C, with heavy rain, flooding potential and peak hurricane season. A storm can cancel flights and wreck the trip; the year's highest dengue risk accompanies the heaviest rain.
OctoberTemp (°C)28°Rain (mm)31Sun Hours8Dry Days19
October is hot and humid, around 25-31°C, with hurricane risk that month and peak storm season. Rain can disrupt outdoor plans, while northwest surf conditions are often favourable.
NovemberTemp (°C)27°Rain (mm)33Sun Hours7Dry Days17
November is warm, around 24-30°C, with regular showers and hurricane risk that month. Storms can disrupt travel plans, while outdoor sightseeing remains possible between rain showers.
DecemberTemp (°C)25°Rain (mm)15Sun Hours7Dry Days21
December is warm and relatively dry, around 23-29°C, suiting beaches, outdoor dining and exploring San Juan's historic centre.
Sources: travellemming.com, en.wikivoyage.org

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Brief
- Try Puerto Rican staples such as mofongo, lechón asado, arroz con gandules, pasteles and local coffee; piraguas are a popular shaved-ice treat.
- San Juan is a useful base for Old San Juan, Condado and Santurce, while El Yunque and the eastern coast are accessible day trips.
Safety and health
- Rotating water outages remain a practical concern in the San Juan area. Confirm your accommodation has cistern capacity and reliable water for your dates; keep sealed bottled water available and follow local guidance if tap quality or pressure is uncertain. (
usatoday.com |
wikivoyage.org)
- Dengue and Zika are mosquito-borne risks. Use repellent, wear clothing that covers arms and legs where practical, and take extra precautions if pregnant or planning pregnancy. (
cdc.gov)
- Avoid contact with polluted freshwater, floodwater, mud and soil, especially after heavy rain; cover cuts and burns. This reduces exposure to melioidosis and other water- and soil-related infections. (
cdc.gov |
wikivoyage.org)
- Avoid tick bites in grassy or brushy areas by using repellent and checking clothing and skin after outdoor activities. (
cdc.gov)
Recent News
- Ongoing as of early September 2026: San Juan and parts of Carolina, Juncos, Gurabo, Trujillo Alto, Canóvanas and Loíza continue to face rotating 48-hour water shutoffs affecting more than 180,000 customer accounts. Hotels, restaurants and attractions may have limited water, closed restrooms or disrupted laundry service, so visitors should verify arrangements before arrival. (
nbcconnecticut.com |
cnn.com)
- August 26, 2026: The U.S. government declared a drought disaster for more than two dozen Puerto Rican municipalities. San Juan recorded its driest July in more than 120 years, and officials have not given a firm end date for the water crisis. (
pbs.org)





