Puerto Rico San Juan Weather in June — Climate Guide
June in San Juan is moderate
June is moderate for San Juan.
June marks the official start of Atlantic hurricane season (June 1 through November 30, peak August-October). Statistically June hurricane risk is still low (peak is August-October) but the season is officially open. Travel insurance with hurricane + cancellation coverage essential.
Hotel pricing drops further: Condado 4-star $180-340 per couple. US summer school break begins late June — families start arriving for July-August peak.
Travel score
Hurricane season opens + El Yunque waterfalls peak + hotels -40%
June Weather at a Glance
June averages 90°F / 32°C highs and 75°F / 24°C lows with 11 rainy days and 130mm rainfall. Humidity 78%. UV 12. Sunshine 8 hours. Sea 28°C very warm. Afternoon thunderstorms reliable 14:00-17:00. Hurricane risk officially open but statistically still low.
June Travel Advice
Travel insurance with cancellation + interruption coverage mandatory June onward. El Yunque waterfalls at peak flow — outdoor hike priority. Sargassum: check forecast 1 week before arrival; ask hotel about beach cleaning schedule. Schedule outdoor 7:00-10:00 + 17:00-19:00 sunset.
Flying In from Overseas
Summer holiday begins from Korea, Japan (limited direct service). European summer school holidays drive European inbound. Direct flights from NYC $250-450, Boston $250-450, Toronto $400-600. Asian visitors increase from low base via JFK/MIA.
June Pricing Trends
Summer shoulder pricing: Condado oceanfront 4-star $180-340/night, La Concha + Condado Vanderbilt $250-500, El Convento $250-450. Vieques + Culebra +20% (US summer break starts). Travel insurance $50-100 recommended.
San Juan June Weather Stats
Avg High
32°C
Avg Low
24°C
Rainy Days
11
130mm total
Sunshine
8h
Daily avg
Humidity
78%
very-humid
UV Index
12
Extreme
Wind
18 km/h
Gusts 32
Sea Temp
28°C
swimming-warm
Crowds
Moderate
At attractions
June Sunrise & Sunset
Air Quality
PM2.5
20 μg/m³
PM10
36 μg/m³
Status
moderate
Feels-Like Temperature & Wind
Feels like
Daytime
36°C
Nighttime
25°C
Humidity and wind affect how the actual temperature feels.
Wind
18 km/h
Max gust 32 km/h
Activities Recommended for June
June Travel Pros & Cons
Pros
- Hotels -40% off April peak
- El Yunque waterfalls at peak flow
- Korean summer break begins
- Pre-hurricane peak still relatively safe
Cons
- Hurricane season officially opens
- Sargassum peak risk begins
- Daily afternoon thunderstorms
- Humidity 78% rising
- Mosquito + dengue risk
June Events & Festivals
- **Hurricane season starts (Jun 1 — Nov 30)**
- Father's Day Weekend (3rd Sunday — US East Coast travelers)
- Beginning of US summer school break
San Juan in June — Full Picture
June marks the official start of Atlantic hurricane season (June 1 through November 30, peak August-October). Statistically June hurricane risk is still low (peak is August-October) but the season is officially open. Travel insurance with hurricane + cancellation coverage essential.
Hotel pricing drops further: Condado 4-star $180-340 per couple. US summer school break begins late June — families start arriving for July-August peak.
Daily afternoon thunderstorms reliable. Schedule outdoor mornings + evenings. El Yunque waterfalls at peak flow (impressive after rainforest rains). Sargassum: check forecast — east + south coasts increasingly affected.
What to Wear & What to Pack
Hot + very humid + wet — quick-dry breathable, light rain jacket essential, SPF 50+. Sandals for wet beach walks. Mosquito repellent with DEET (dengue precaution).
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
30°C
22°C
7.7/mo
Summer (Jun·Jul·Aug)
Current32°C
24°C
11.7/mo
Autumn (Sep·Oct·Nov)
31°C
23.3°C
12.3/mo
Winter (Dec·Jan·Feb)
28°C
21°C
8.3/mo
San Juan Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| January (Best) | 28° | 21° | 8d·75mm | 7h | 76% | 9 | Very busy | Peak |
| February (Best) | 28° | 21° | 7d·65mm | 8h | 75% | 10 | Very busy | Peak |
| March (Best) | 29° | 21° | 6d·55mm | 8h | 74% | 11 | Very busy | Peak |
| April (Best) | 30° | 22° | 7d·100mm | 8h | 75% | 11 | Busy | Shoulder |
| 31° | 23° | 10d·150mm | 8h | 76% | 12 | Moderate | Shoulder | |
| 32° | 24° | 11d·130mm | 8h | 78% | 12 | Moderate | Shoulder | |
| 32° | 24° | 12d·130mm | 8h | 78% | 12 | Busy | Peak | |
| 32° | 24° | 12d·150mm | 7h | 79% | 11 | Moderate | Shoulder | |
| 32° | 24° | 13d·160mm | 7h | 80% | 10 | Quiet | Low season | |
| 31° | 24° | 13d·165mm | 7h | 80% | 9 | Quiet | Low season | |
| November (Best) | 30° | 22° | 11d·140mm | 7h | 78% | 8 | Moderate | Shoulder |
| December (Best) | 28° | 21° | 10d·110mm | 7h | 77% | 8 | Very busy | Peak |
View Other Months
San Juan June Hotel Picks
Frequently Asked Questions
Is June a good time to visit San Juan?
San Juan in June is moderate. Tourist crowds are moderate and flight/hotel prices are shoulder.
What's the average temperature in San Juan in June?
San Juan June averages a high of 32°C and a low of 24°C.
Does it rain much in San Juan in June?
San Juan June averages 130mm of rainfall over about 11 rainy days.
What should I wear in San Juan in June?
Hot + very humid + wet — quick-dry breathable, light rain jacket essential, SPF 50+. Sandals for wet beach walks. Mosquito repellent with DEET (dengue precaution).
What time are sunrise and sunset in San Juan in June?
San Juan June sunrise is 05:50 and sunset is 18:50, with 13h 0min of daylight.
What's the air quality like in San Juan in June?
San Juan June air quality (AQI) averages 50, rated Good. PM2.5 averages 20μg/m³.
What activities are recommended in San Juan in June?
In June, San Juan is great for El Yunque waterfalls peak flow, Condado morning swim, Indoor Bacardí distillery tour.
Is June peak season in San Juan?
San Juan June crowds are moderate and prices are shoulder. You can travel relatively comfortably without long queues.
Best Months to Visit San Juan
View Other Months
Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.