San Juan Klima and Average Počasí
Klima of San Juan: average temperatures, rainfall and seasons month by month.
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).
Recent extremes in San Juan
Vysokéest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
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 |
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 this means for San Juan
Today is about average for srpen. The forecast high of 30°C is in line s the 30°C typical for this month.
A 88% 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 červen do srpen.
The gap between the warmest and coldest month averages 3°C - an unusually even climate through the year.
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
- If your dates are flexible, avoid únor, říjen and listopad - historically the least comfortable months here.
Shrnutí
San Juan is a city in Portoriko. San Juan is known for Old San Juan forts and beaches. Má přibližně 340.000.
Právě teď je 28°C (83°F) in San Juan s light drizzle. Pocitová teplota je 32°C. Dnes se teploty pohybují od 26°C do 30°C. Pravděpodobnost srážek je 88%. Sightseeing conditions score 6.9/10 - průměrné — plánujte podle počasí.
Nejlepší doba k návštěvě San Juan is leden, březen, kvě, červen, červenec and prosinec. Podnebí je temperate. únor, říjen and listopad tend do be the least comfortable months. září is the warmest month s average highs near 30°C, while únor is the coldest s lows near 23°C.
Nearby highlights include Virgin Islands National Park.
Jednoduše řečeno. Today is about average for srpen. The forecast high of 30°C is in line s the 30°C typical for this month. The best window do be outside is roughly 7 AM do 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
| Typ | City |
|---|---|
| Země | Portoriko |
| Kontinent | Severní Amerika |
| Souřadnice | 18°27′55.8″N 66°6′20.5″W (18.4655, -66.1057) |
| Obyvatelstvo | 340.000 |
| Known for | Old San Juan forts and beaches |
| Místní čas | 11:17 PM (UTC-04:00) |
| Best months | leden, březen, kvě, červen, červenec and prosinec |
| Klima | Temperate |
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.
Explore San Juan
Every topic we hold for this place, and the same topic for the places around it.
Klima 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 28°C (83°F) s light drizzle. Vlhkost is 78% and wind is 16 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 11:17 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 23, 2026 at 11:17 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.





