San Juan Travel Guide
San Juan travel guide: interactive map, live weather, best time to visit, things to do and nearby places.
Active alerts for San Juan
Heat Advisory issued August 23 at 10:27AM AST until August 23 at 4:00PM AST by NWS San Juan PR
Issued by NWS San Juan PR
Summary
San Juan is a city in Puerto Rico. San Juan is known for Old San Juan forts and beaches. It has a population of about 340.000.
Right now it is 83°F (29°C) in San Juan with overcast. It feels like 90°F. Today runs from 81°F to 85°F. Chance of precipitation is 99%. Sightseeing conditions score 6.4/10 - fair - plan around the weather.
The best time to visit San Juan is January, March, May, June, July and December. The climate is temperate. February, October and November tend to be the least comfortable months. September is the warmest month with average highs near 87°F, while February is the coldest with lows near 73°F.
Nearby highlights include Virgin Islands National Park.
In plain terms. Today is about average for August. The forecast high of 85°F is in line with the 86°F typical for this month. The best window to be outside is roughly 7 AM to 10 AM, when temperature, rain chance and wind line up best. fishing is the strongest bet in San Juan today at 8.4/10. 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.
Map of San Juan
Interactive map with nearby places. Switch between street, terrain and satellite views.
Coordinates: 18°27′55.8″N 66°6′20.5″W (18.4655, -66.1057)
Weather in San Juan right now
Source: Open-Meteo. Updated 3:18 PM, Aug 23 local time.
Weekend outlook
🌦️ 85° / 81°
Drizzle · 99% rain · wind 16 mph
🌦️ 85° / 79°
Light drizzle · 99% rain · wind 16 mph
Quick facts about San Juan
| Type | City |
|---|---|
| Country | Puerto Rico |
| Continent | North America |
| Coordinates | 18°27′55.8″N 66°6′20.5″W (18.4655, -66.1057) |
| Population | 340.000 |
| Known for | Old San Juan forts and beaches |
| Local time | 3:18 PM (UTC-04:00) |
| Best months | January, March, May, June, July and December |
| Climate | Temperate |
Things to do in San Juan
Attractions, parks and landmarks in and around San Juan.
Best time to visit San Juan
Go in January, March, May, June, July and December. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: February, October and November - expect the least comfortable mix of heat, cold or rain.
What to pack, what to skip
- Lightweight, light-coloured clothing and a refillable water bottle
- Sunglasses, 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 February, October and November - historically the least comfortable months here.
Explore San Juan
Every topic we hold for this place, and the same topic for the places around it.
Travel Guide for related places
Frequently asked questions
Where is San Juan?
San Juan is a city in Puerto Rico. Its coordinates are 18.4655, -66.1057. It lies in North America.
What is the weather like in San Juan right now?
It is currently 83°F (29°C) with overcast. Humidity is 77% and wind is 11 mph.
When is the best time to visit San Juan?
January, March, May, June, July and December offer the most comfortable conditions in San Juan, which has a temperate climate. February, October and November 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 3:18 PM.
How many people live in San Juan?
San Juan has a population of approximately 340.000.
What are the top things to 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. |
|---|---|
| Map tiles | OpenStreetMap contributors, CARTO and Esri. |
| Elevation | Open-Meteo digital elevation model where the dataset has no value. |
| 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 August 23, 2026 at 3:18 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
