San Juan Klima and Average Wetter
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.
| Monat | Durchschnittliches Maximum | Durchschnittliches Minimum | Niederschlag | Bewertung |
|---|---|---|---|---|
| Januar | 27° | 24° | 57 mm | ★★★★☆ |
| Februar | 27° | 23° | 118 mm | ★★★★☆ |
| März | 27° | 23° | 77 mm | ★★★★☆ |
| April | 28° | 24° | 123 mm | ★★★★☆ |
| Mai | 29° | 25° | 87 mm | ★★★★☆ |
| Juni | 30° | 26° | 62 mm | ★★★★☆ |
| Juli | 30° | 26° | 62 mm | ★★★★☆ |
| August | 30° | 26° | 118 mm | ★★★★☆ |
| September | 30° | 26° | 79 mm | ★★★★☆ |
| Oktober | 30° | 26° | 126 mm | ★★★☆☆ |
| November | 29° | 25° | 134 mm | ★★★☆☆ |
| Dezember | 28° | 24° | 87 mm | ★★★★☆ |
Klima type: Temperate. Quelle: Open-Meteo archive (ERA5).
Recent extremes in San Juan
Hochest and lowest readings observed in the last 3 years of reanalysis data – not all-time records.
How San Juan compares mit 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 |
Beste Reisezeit San Juan
Go in Januar, März, Mai, Juni, Juli, September and Dezember. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: August, Oktober and November – expect the least comfortable mix of heat, cold or rain.
What this means for San Juan
Today is about average for Oktober. The forecast high of 30°C is in line mit the 30°C typical for this month.
A 80% 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 Juni und August.
The gap between the warmest and coldest month averages 3°C – an unusually even climate through the year.
What und pack, what und skip
- Lightweight, light-coloured clothing and a refillable water bottle
- So.glasses, 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 August, Oktober and November – historically the least comfortable months here.
Zusammenfassung
San Juan is a city in Puerto Rico. San Juan is known for Old San Juan forts and beaches. Die Einwohnerzahl beträgt etwa 340.000.
Aktuell sind es 26°C (79°F) in San Juan mit klar. Die gefühlte Temperatur beträgt 31°C. Heute liegen die Temperaturen zwischen 26°C und 30°C. Die Niederschlagswahrscheinlichkeit beträgt 80%. Die Bedingungen für Besichtigungen erreichen 7.8/10 – gute bedingungen.
Die beste Reisezeit für San Juan is Januar, März, Mai, Juni, Juli, September and Dezember. Das Klima ist temperate. August, Oktober and November sind meist die ungemütlichsten Mo.ate. Oktober ist der wärmste Mo.at mit durchschnittlichen Höchstwerten um 30°C, während Februar ist der kälteste Mo.at mit Tiefstwerten um 23°C.
Zu den Sehenswürdigkeiten in der Nähe gehören Virgin Islands National Park.
Kurz gesagt. Today is about average for Oktober. The forecast high of 30°C is in line mit the 30°C typical for this month. The best window und be outside is roughly 7 AM und 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 |
|---|---|
| Land | Puerto Rico |
| Kontinent | Nordamerika |
| Koordinaten | 18°27′55.8″N 66°6′20.5″W (18.4655, -66.1057) |
| Bevölkerung | 340.000 |
| Known for | Old San Juan forts and beaches |
| Ortszeit | 1:18 AM (UTC-04:00) |
| Beste Monate | Januar, März, Mai, Juni, Juli, September and Dezember |
| Klima | Temperate |
Wetter map for San Juan
Animated model layers. Pick a layer und load it.
Animated layers by Windy. 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 Puerto Rico. Its coordinates are 18.4655, -66.1057. It lies in Nordamerika.
What is the weather like in San Juan jetzt?
It is currently 26°C (79°F) mit klar. Luftfeuchtigkeit is 90% and wind is 7 km/h.
When is the best time und visit San Juan?
Januar, März, Mai, Juni, Juli, September and Dezember offer the most comfortable conditions in San Juan, which has a temperate climate. August, Oktober 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 Ortszeit is 1:18 AM.
How many people live in San Juan?
San Juan has a population of approximately 340.000.
What are the top things und 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. |
|---|---|
| Vorhersage and observations | Open-Meteo (ECMWF and national models). |
| Luftqualität 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 Wetter 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 Oktober 5, 2026 at 1:18 AM Ortszeit. Live blocks refresh every 15 minutes; climate averages monthly.
