San Juan Météo Prévisions
San Juan weather: 29°C, couvert. Par heure forecast, 14-day outlook, UV, air quality and the best time à visit.
San Juan weather in septembre
One of the best months à visit San Juan.
septembre runs 1°C warmer than the annual average in San Juan.
Météo map for San Juan
Animated model layers. Pick a layer à load it.
Animated layers by Venty. For pin-level detail and nearby places, see the interactive map below.
Climat in San Juan month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Mois | Max moyenne | Min moyenne | Précipitations | Évaluation |
|---|---|---|---|---|
| janvier | 27° | 24° | 57 mm | ★★★★☆ |
| février | 27° | 23° | 118 mm | ★★★★☆ |
| mars | 27° | 23° | 77 mm | ★★★★☆ |
| avril | 28° | 24° | 123 mm | ★★★★☆ |
| mai | 29° | 25° | 87 mm | ★★★★☆ |
| juin | 30° | 26° | 62 mm | ★★★★☆ |
| juillet | 30° | 26° | 62 mm | ★★★★☆ |
| août | 30° | 26° | 118 mm | ★★★★☆ |
| septembre | 30° | 26° | 79 mm | ★★★★☆ |
| octobre | 30° | 26° | 126 mm | ★★★☆☆ |
| novembre | 29° | 25° | 134 mm | ★★★☆☆ |
| décembre | 28° | 24° | 87 mm | ★★★★☆ |
Climat type: Temperate. Source : Open-Meteo archive (ERA5).
Meilleur moment pour visiter San Juan
Go in janvier, mars, mai, juin, juillet, septembre and décembre. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: août, octobre and novembre – expect the least comfortable mix of heat, cold or rain.
What à pack, what à skip
- Lightweight, light-coloured clothing and a refillable water bottle
- dim.glasses, a brimmed hat and SPF 30+
- A packable rain shell – 7 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid août, octobre and novembre – historically the least comfortable months here.
How San Juan compares avec nearby places
Annual averages, and the difference against San Juan.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Virgin Islands National Park | 144 km | 25°C | 1°C cooler | 1021 mm |
| Dominican Republic | 403 km | 26°C | 1°C cooler | 1435 mm |
Voir les prévisions de San Juan par période
San Juan weather – more answers
Explore San Juan
Every topic we hold for this place, and the same topic for the places around it.
Météo for related places
Frequently asked questions
Where is San Juan?
San Juan is a city in Porto Rico. Its coordinates are 18.4655, -66.1057. It lies in Amérique du Nord.
What is the weather like in San Juan maintenant?
It is currently 29°C (84°F) avec couvert. Humidité is 75% and wind is 13 km/h.
When is the best time à visit San Juan?
janvier, mars, mai, juin, juillet, septembre and décembre offer the most comfortable conditions in San Juan, which has a temperate climate. août, octobre and novembre 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 heure locale is 2:05 PM.
How many people live in San Juan?
San Juan has a population of approximately 340.000.
What are the top things à 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. |
|---|---|
| Prévisions and observations | Open-Meteo (ECMWF and national models). |
| Qualité de l’air and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climat averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Météo 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 octobre 24, 2026 at 2:05 PM heure locale. Live blocks refresh every 15 minutes; climate averages monthly.
