San Juan Počasí Předpověď
San Juan weather: 29°C, jasná obloha. Po hodinách forecast, 14-day outlook, UV, air quality and the best time do visit.
San Juan weather in prosinec
One of the best months do visit San Juan.
prosinec runs 1°C cooler than the annual average in San Juan.
Počasí map for San Juan
Animated model layers. Pick a layer do load it.
Animated layers by Vítry. For pin-level detail and nearby places, see the interactive map below.
Klima in San Juan month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Měsíc | Avg high | Avg low | Déšťfall | Rating |
|---|---|---|---|---|
| leden | 27° | 24° | 57 mm | ★★★★☆ |
| únor | 27° | 23° | 118 mm | ★★★★☆ |
| březen | 27° | 23° | 77 mm | ★★★★☆ |
| duben | 28° | 24° | 123 mm | ★★★★☆ |
| kvě | 29° | 25° | 87 mm | ★★★★☆ |
| červen | 30° | 26° | 62 mm | ★★★★☆ |
| červenec | 30° | 26° | 62 mm | ★★★★☆ |
| srpen | 30° | 26° | 96 mm | ★★★★☆ |
| září | 30° | 26° | 101 mm | ★★★★☆ |
| říjen | 30° | 26° | 126 mm | ★★★☆☆ |
| listopad | 29° | 25° | 134 mm | ★★★☆☆ |
| prosinec | 28° | 24° | 87 mm | ★★★★☆ |
Klima type: Temperate. Zdroj: Open-Meteo archive (ERA5).
Nejlepší doba k návštěvě San Juan
Go in leden, březen, kvě, červen, červenec and prosinec. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: únor, říjen and listopad - expect the least comfortable mix of heat, cold or rain.
What do pack, what do skip
- Lightweight, light-coloured clothing and a refillable water bottle
- neglasses, a brimmed hat and SPF 30+
- A packable rain shell - 6 of the next 7 days carry a real chance of rain
- Vysoké-factor sunscreen and a long-sleeve sun layer for midday
- Avoid unshaded sightseeing between 10am and 4pm - the UV index peaks at 8.
- If your dates are flexible, avoid únor, říjen and listopad - historically the least comfortable months here.
How San Juan compares s nearby places
Annual averages, and the difference against San Juan.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Virgin Islands National Park | 144 km | 26°C | 1°C cooler | 1009 mm |
| Dominican Republic | 403 km | 26°C | 1°C cooler | 1491 mm |
Zobrazit předpověď pro San Juan podle časového období
San Juan weather - more answers
Explore San Juan
Every topic we hold for this place, and the same topic for the places around it.
Počasí for related places
Frequently asked questions
Where is San Juan?
San Juan is a city in Portoriko. Its coordinates are 18.4655, -66.1057. It lies in Severní Amerika.
What is the weather like in San Juan právě teď?
It is currently 29°C (84°F) s jasná obloha. Vlhkost is 77% and wind is 24 km/h.
When is the best time do visit San Juan?
leden, březen, kvě, červen, červenec and prosinec offer the most comfortable conditions in San Juan, which has a temperate climate. únor, říjen and listopad are usually the hardest months for outdoor plans.
What time zone is San Juan in?
San Juan observes America/Puerto_Rico (UTC-04:00). The local time is 6:50 PM.
How many people live in San Juan?
San Juan has a population of approximately 340.000.
What are the top things do do in San Juan?
Popular options include Virgin Islands National Park.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-world) - coordinates, hierarchy and facts. |
|---|---|
| Předpověď and observations | Open-Meteo (ECMWF and national models). |
| Kvalita ovzduší and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klima averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Počasí Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated srpen 26, 2026 at 6:50 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
