City in بورتوريكو

San Juan المناخ and Average الطقس

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

☁️ 29°C now🕔 7:13 AM local📅 Best: يناير, مارس, ماي, يونيو, يوليو, سبتمبر and ديسمبر👥 340.000

المناخ in San Juan month by month

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

Line: average high · Bars: rainfall
الشهرAvg highAvg lowمطرfallRating
يناير27°24°57 mm★★★★☆
فبراير27°23°118 mm★★★★☆
مارس27°23°77 mm★★★★☆
أبريل28°24°123 mm★★★★☆
ماي29°25°87 mm★★★★☆
يونيو30°26°62 mm★★★★☆
يوليو30°26°62 mm★★★★☆
أغسطس30°26°118 mm★★★★☆
سبتمبر30°26°79 mm★★★★☆
أكتوبر30°26°126 mm★★★☆☆
نوفمبر29°25°134 mm★★★☆☆
ديسمبر28°24°87 mm★★★★☆

المناخ type: Temperate. المصدر: Open-Meteo archive (ERA5).

Recent extremes in San Juan

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

Hottest day33°Cأكت 10, 2024
Coldest night19°Cديس 29, 2025
Wettest day76 mmأكت 31, 2024

How San Juan compares مع 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

أفضل وقت للزيارة San Juan

Go in يناير, مارس, ماي, يونيو, يوليو, سبتمبر and ديسمبر. These months score highest on comfortable temperatures, low rainfall and useful daylight.

Hardest months: أغسطس, أكتوبر and نوفمبر - expect the least comfortable mix of heat, cold or rain.

يناير★★★★☆
فبراير★★★★☆
مارس★★★★☆
أبريل★★★★☆
ماي★★★★☆
يونيو★★★★☆
يوليو★★★★☆
أغسطس★★★★☆
سبتمبر★★★★☆
أكتوبر★★★☆☆
نوفمبر★★★☆☆
ديسمبر★★★★☆

What this means for San Juan

Compared مع normal

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

مطر chance explained

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

السفر and driving

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

Worth knowing

Northern Hemisphere, so peak summer falls in يونيو و أغسطس.

Worth knowing

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

What و pack, what و skip

Pack for the next 7 days
  • Lightweight, light-coloured clothing and a refillable water bottle
  • الأحدglasses, 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 أغسطس, أكتوبر and نوفمبر - historically the least comfortable months here.

الملخص

San Juan is a city in بورتوريكو. San Juan is known for Old San Juan forts and beaches. يبلغ عدد سكانها نحو 340.000.

درجة الحرارة الآن 29°C (84°F) in San Juan مع غائم. المحسوسة 33°C. تتراوح درجات الحرارة اليوم بين 27°C و 32°C. احتمال هطول الأمطار 90%. Sightseeing conditions score 6.8/10 - مقبول — خطط وفق الطقس.

أفضل وقت لزيارة San Juan is يناير, مارس, ماي, يونيو, يوليو, سبتمبر and ديسمبر. المناخ temperate. أغسطس, أكتوبر and نوفمبر tend و be the least comfortable months. أكتوبر is the warmest month مع average highs near 30°C, while فبراير is the coldest مع lows near 23°C.

Nearby highlights include Virgin Islands National Park.

باختصار. Today is slightly warmer than average for أكتوبر. The forecast high of 32°C is 1.9°C above the 30°C typical for this month. The best window و be outside is roughly 7 AM و 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

النوعCity
الدولةبورتوريكو
القارةأمريكا الشمالية
الإحداثيات18°27′55.8″N 66°6′20.5″W (18.4655, -66.1057)
السكان340.000
Known forOld San Juan forts and beaches
التوقيت المحلي7:13 AM (UTC-04:00)
Best monthsيناير, مارس, ماي, يونيو, يوليو, سبتمبر and ديسمبر
المناخTemperate

الطقس map for San Juan

Animated model layers. Pick a layer و load it.

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Animated layers by الرياحy. 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.

المناخ for related places

Frequently asked questions

Where is San Juan?

San Juan is a city in بورتوريكو. Its coordinates are 18.4655, -66.1057. It lies in أمريكا الشمالية.

What is the weather like in San Juan الآن?

It is currently 29°C (84°F) مع غائم. الرطوبة is 75% and wind is 13 km/h.

When is the best time و visit San Juan?

يناير, مارس, ماي, يونيو, يوليو, سبتمبر and ديسمبر offer the most comfortable conditions in San Juan, which has a temperate climate. أغسطس, أكتوبر and نوفمبر 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 7:13 AM.

How many people live in San Juan?

San Juan has a population of approximately 340.000.

What are the top things و 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.
التوقعات and observationsOpen-Meteo (ECMWF and national models).
جودة الهواء and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
المناخ averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
Official alertsUS National الطقس 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 أكتوبر 24, 2026 at 7:13 AM local time. 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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