City in Portorico

San Juan Clima and Average Meteo

Clima of San Juan: average temperatures, rainfall and seasons month by month.

☁️ 29°C now🕔 5:00 PM local📅 Best: gennaio, marzo, mag, giugno, luglio, settembre and dicembre👥 340.000

Clima in San Juan month by month

Average high, average low and total rainfall, based on three years of reanalysis data.

genfebmaraprmaggiulugagosetottnovdicLine: average high · Bars: rainfall
MeseMassima mediaMinima mediaPrecipitazioniValutazione
gennaio27°24°57 mm★★★★☆
febbraio27°23°118 mm★★★★☆
marzo27°23°77 mm★★★★☆
aprile28°24°123 mm★★★★☆
mag29°25°87 mm★★★★☆
giugno30°26°62 mm★★★★☆
luglio30°26°62 mm★★★★☆
agosto30°26°118 mm★★★★☆
settembre30°26°79 mm★★★★☆
ottobre30°26°126 mm★★★☆☆
novembre29°25°134 mm★★★☆☆
dicembre28°24°87 mm★★★★☆

Clima type: Temperate. Fonte: Open-Meteo archive (ERA5).

Recent extremes in San Juan

Altoest and lowest readings observed in the last 3 years of reanalysis data – not all-time records.

Hottest day33°Cott 10, 2024
Coldest night19°Cdic 29, 2025
Wettest day76 mmott 31, 2024

How San Juan compares con nearby places

Annual averages, and the difference against San Juan.

PlaceDistanceAvg tempvs hereAnnual rain
Virgin Islands National Park144 km25°C1°C cooler1021 mm
Dominican Republic403 km26°C1°C cooler1435 mm

Periodo migliore per visitare San Juan

Go in gennaio, marzo, mag, giugno, luglio, settembre and dicembre. These months score highest on comfortable temperatures, low rainfall and useful daylight.

Hardest months: agosto, ottobre and novembre – expect the least comfortable mix of heat, cold or rain.

gennaio★★★★☆
febbraio★★★★☆
marzo★★★★☆
aprile★★★★☆
mag★★★★☆
giugno★★★★☆
luglio★★★★☆
agosto★★★★☆
settembre★★★★☆
ottobre★★★☆☆
novembre★★★☆☆
dicembre★★★★☆

What this means for San Juan

Compared con normal

Today is slightly warmer than average for ottobre. The forecast high of 32°C is 1.9°C above the 30°C typical for this month.

Pioggia chance explained

A 90% chance means rain is expected over most of the area. Plan indoor alternatives.

Viaggi and driving

Wet roads are likely; braking distances roughly double in heavy rain.

Worth knowing

Northern Hemisphere, so peak summer falls in giugno a agosto.

Worth knowing

The gap between the warmest and coldest month averages 3°C – an unusually even climate through the year.

What a pack, what a skip

Pack for the next 7 days
  • Lightweight, light-coloured clothing and a refillable water bottle
  • domglasses, a brimmed hat and SPF 30+
  • A packable rain shell – 7 of the next 7 days carry a real chance of rain
Worth avoiding
  • If your dates are flexible, avoid agosto, ottobre and novembre – historically the least comfortable months here.

Riepilogo

San Juan is a city in Portorico. San Juan is known for Old San Juan forts and beaches. Ha una popolazione di circa 340.000.

Attualmente ci sono 29°C (84°F) in San Juan con coperto. La temperatura percepita è di 33°C. Oggi le temperature vanno da 27°C a 32°C. La probabilità di precipitazioni è del 90%. Le condizioni per le visite turistiche sono valutate 6.8/10 – discrete — pianifica in base al meteo.

Il periodo migliore per visitare San Juan is gennaio, marzo, mag, giugno, luglio, settembre and dicembre. Il clima è temperate. agosto, ottobre and novembre tendono a essere i mesi meno confortevoli. ottobre è il mese più caldo, con massime medie intorno a 30°C, mentre febbraio è il mese più freddo, con minime intorno a 23°C.

Tra i luoghi di interesse nelle vicinanze ci sono Virgin Islands National Park.

In parole semplici. Today is slightly warmer than average for ottobre. The forecast high of 32°C is 1.9°C above the 30°C typical for this month. The best window a be outside is roughly 7 AM a 10 AM, when temperature, rain chance and wind line up best. fishing is the strongest bet in San Juan today at 8.6/10. Wet roads are likely; braking distances roughly double in heavy rain.

Compiled from this page's own data: atlas facts plus live Open-Meteo readings.

Quick facts about San Juan

TipoCity
PaesePortorico
ContinenteAmerica del Nord
Coordinate18°27′55.8″N 66°6′20.5″W (18.4655, -66.1057)
Popolazione340.000
Known forOld San Juan forts and beaches
Ora locale5:00 PM (UTC-04:00)
Mesi migliorigennaio, marzo, mag, giugno, luglio, settembre and dicembre
ClimaTemperate

Meteo map for San Juan

Animated model layers. Pick a layer a load it.

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Animated layers by Ventoy. For pin-level detail and nearby places, see the interactive map below.

Explore San Juan

Every topic we hold for this place, and the same topic for the places around it.

Clima for related places

Frequently asked questions

Where is San Juan?

San Juan is a city in Portorico. Its coordinates are 18.4655, -66.1057. It lies in America del Nord.

What is the weather like in San Juan ora?

It is currently 29°C (84°F) con coperto. Umidità is 75% and wind is 13 km/h.

When is the best time a visit San Juan?

gennaio, marzo, mag, giugno, luglio, settembre and dicembre offer the most comfortable conditions in San Juan, which has a temperate climate. agosto, ottobre 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 ora locale is 5:00 PM.

How many people live in San Juan?

San Juan has a population of approximately 340.000.

What are the top things a do in San Juan?

Popular options include Virgin Islands National Park.

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (cities-world) – coordinates, hierarchy and facts.
Previsioni and observationsOpen-Meteo (ECMWF and national models).
Qualità dell’aria and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Clima averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
Official alertsUS National Meteo Service.
MethodScores, 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 ottobre 24, 2026 at 5:00 PM ora locale. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

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