San Juan المناخ and Average الطقس
المناخ of San Juan: average temperatures, rainfall and seasons month by month.
المناخ in San Juan month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| الشهر | Avg high | Avg low | مطرfall | Rating |
|---|---|---|---|---|
| يناير | 27° | 24° | 57 mm | ★★★★☆ |
| فبراير | 27° | 23° | 118 mm | ★★★★☆ |
| مارس | 27° | 23° | 77 mm | ★★★★☆ |
| أبريل | 28° | 24° | 123 mm | ★★★★☆ |
| ماي | 29° | 25° | 87 mm | ★★★★☆ |
| يونيو | 30° | 26° | 62 mm | ★★★★☆ |
| يوليو | 30° | 26° | 62 mm | ★★★★☆ |
| أغسطس | 30° | 26° | 118 mm | ★★★★☆ |
| سبتمبر | 30° | 26° | 79 mm | ★★★★☆ |
| أكتوبر | 30° | 26° | 126 mm | ★★★☆☆ |
| نوفمبر | 29° | 25° | 134 mm | ★★★☆☆ |
| ديسمبر | 28° | 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.
How San Juan compares مع 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 |
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.
What this means for San Juan
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.
A 90% chance means rain is expected over most of the area. Plan indoor alternatives.
Wet roads are likely; braking distances roughly double in heavy rain.
Northern Hemisphere, so peak summer falls in يونيو و أغسطس.
The gap between the warmest and coldest month averages 3°C - an unusually even climate through the year.
What و pack, what و skip
- 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
- 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
| النوع | City |
|---|---|
| الدولة | بورتوريكو |
| القارة | أمريكا الشمالية |
| الإحداثيات | 18°27′55.8″N 66°6′20.5″W (18.4655, -66.1057) |
| السكان | 340.000 |
| Known for | Old San Juan forts and beaches |
| التوقيت المحلي | 7:13 AM (UTC-04:00) |
| Best months | يناير, مارس, ماي, يونيو, يوليو, سبتمبر and ديسمبر |
| المناخ | Temperate |
الطقس map for San Juan
Animated model layers. Pick a layer و load it.
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 data | USPOTUS Atlas dataset (cities-world) - coordinates, hierarchy and facts. |
|---|---|
| التوقعات and observations | Open-Meteo (ECMWF and national models). |
| جودة الهواء and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| المناخ averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National الطقس 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 أكتوبر 24, 2026 at 7:13 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.





