Last updated: October 19, 2026
Best Time to Visit San Blas Islands Panama (Month by Month Guide)
The best time to visit San Blas is December to April, the dry season, when the water is clearest and the northeast trade winds are steadiest. May to November is quieter and has no holiday surcharge. Rain then comes in short, heavy showers, and September and October are the wettest months. Water stays between 27°C and 30°C all year.
San Blas is one of the few Caribbean destinations that’s genuinely beautiful year-round, it sits south of the hurricane belt and enjoys warm temperatures every month. But the best time to visit San Blas Islands depends on what you’re looking for: flat calm seas, vibrant marine life, no holiday surcharges, or fewer crowds. This guide breaks it down month by month.
San Blas Weather Overview
San Blas has two main seasons: a dry season from approximately December to April and a wet season from May to November. Unlike many Caribbean islands, even the wet season in San Blas is manageable, rain tends to fall in short, intense showers rather than all-day downpours, and the islands remain open and accessible throughout the year.
Water temperature hovers between 27°C and 30°C (80–86°F) all year, and air temperature stays between 28°C and 33°C (82–91°F). In short: it’s always warm. The variables are wind, waves, rainfall, and visibility.
Month by Month Guide to San Blas
December and January (Peak Season ⭐⭐⭐⭐⭐)
The beginning of the dry season brings the best sailing conditions of the year. Trade winds blow steadily from the northeast, creating ideal conditions for catamaran sailing. Rainfall is minimal, visibility underwater is excellent, and the skies are reliably blue. This is the most popular time to visit, book your catamaran charter at least 3–4 months in advance.
February and March (Peak Season ⭐⭐⭐⭐⭐)
February and March are arguably the best months to visit San Blas Islands. Winds are strong and consistent, making for exhilarating sailing between islands. Seas are calm in the protected anchorages. Snorkeling visibility is at its best. Temperatures are comfortable and rainfall is very rare. Prices are at their peak, expect catamarans to be fully booked well in advance.
April (Excellent ⭐⭐⭐⭐⭐)
April is the final month of the dry season and remains excellent for sailing. Winds begin to soften slightly toward the end of the month, which actually makes conditions more comfortable for families or those who prefer calmer waters. A great month to visit if you’ve left your booking later than ideal.
May (Shoulder Season ⭐⭐⭐⭐)
May marks the start of the rainy season, but conditions in San Blas remain very good. Wind drops compared to peak season, which means more comfortable motoring between islands. Rain showers begin to appear but are usually brief. Prices drop noticeably and catamarans are easier to book. A great value month for experienced travellers who don’t mind occasional rain.
June through August (Green Season ⭐⭐⭐⭐)
June through August brings more rainfall and occasionally rougher seas. However, these months have their own magic: the islands are dramatically lush and green, the water is warm and calm in protected anchorages, and dolphins are frequently spotted (peak dolphin season is June–September). Fewer charter boats on the water means you’ll often have islands completely to yourself. Best value of the year.
September and October (Rainiest Months ⭐⭐⭐)
September and October see the most rainfall of the year. Some sections of the overland road to San Blas can be challenging after heavy rain. Seas can be rougher at times. That said, experienced sailors who love the drama of green-season sailing often prefer this time. Prices are at their lowest and catamarans are readily available. Not recommended for first-timers or families with young children.
November (Transitional ⭐⭐⭐⭐)
November is a transitional month, rain decreases, seas begin to settle, and conditions steadily improve toward the peak season. A solid value option, especially in the second half of the month. By late November, conditions are approaching peak season quality at green-season prices.
San Blas by Traveller Type
Best for Families with Young Children
December through April, calm, predictable conditions, minimal rain, excellent snorkeling visibility. Children do best when seas are flat and weather is reliable.
Best for Snorkeling and Diving
January through March, visibility peaks during dry season. Coral gardens are at their most vibrant, nurse sharks are active around the islands, and the water is crystal clear.
Best for Budget Travellers
May through October, significantly lower charter rates, easier availability, and fewer tourists. The San Blas experience is just as magical; you’ll simply need to be flexible about weather.
Best for Sailing Enthusiasts
December through March, consistent northeast trade winds create excellent sailing conditions. If you love the feeling of sailing under canvas with a stiff breeze, this is your window.
Best for Honeymooners
February and March for peak romance, perfect weather, incredible sunsets, and the islands at their most beautiful. April and November are also excellent options, with easier availability.
Dry season vs green season
Both seasons are warm. The water sits between 27°C and 30°C all year, and the tide moves about 3 feet at most, so you can swim off the island beaches at any time of day. What changes is wind, rain, crowds and a few prices.
| Season | Pros | Cons |
|---|---|---|
| Dry season December to April |
Steady northeast trade winds and the best sailing of the year. Little rain and reliably blue skies. The clearest water for snorkeling, peaking January to March. Calm, predictable conditions that suit families with young children. |
The busiest time of year, with more boats at the popular spots. Book 3 to 6 months ahead for December to March. Charters cost 20% more from December 20 to January 10 (5-night minimum), in Carnival week and in Holy Week. |
| Green season May to November |
Fewer charter boats, so you often have an island to yourself. The islands are at their most lush and green. Dolphins are seen most often from June to September. Easier to book: 4 to 8 weeks ahead is usually enough. No holiday supplement on charters. |
Short, heavy showers, with the most rain in September and October. Rougher seas at times. Parts of the road can be hard going after heavy rain. Sand flies at Wailidup from June to October when the breeze drops. September and October are not the months for first-timers or families with young children. |
Two prices never change with the season: transport to San Blas and the full day tour cost the same on every date. Some island stays have their own holiday pricing over Christmas and New Year, and we tell you when you ask about your dates. Our Christmas and New Year in San Blas guide covers the holiday rules.
Activities by season
| Activity | Best months | Good to know |
|---|---|---|
| Sailing under sail | December to March | Steady northeast trade winds. In April the wind softens, which many families prefer. From May there is less wind and more motoring between islands. |
| Snorkeling | January to March | Visibility is at its best in the dry season. Heavy rain can cloud the water for a while. Early morning is the calmest time of day in any month. |
| Swimming off the beach | All year | The tide moves about 3 feet at most, so the water never goes too far out to swim. |
| Dolphin spotting | June to September | Sightings are never guaranteed, but this is when they are most frequent. |
| Quiet islands | June to August | Fewer boats on the water, with more rain than the dry months. |
| Family trips with young children | December to April | Flat seas and reliable weather. Avoid September and October. |
| Honeymoons | February and March | April and November are also good choices. |
| Over-water stay at Wailidup | November to May | June to October brings sand flies when the breeze drops. We will tell you plainly if another island suits your dates better. |
| A day trip from Panama City | All year | The full day tour runs year-round at $148 per person, with transport and the Guna Yala tax included. |
How Far in Advance Should You Book?
For peak season (December–March), we strongly recommend booking your San Blas catamaran charter 3–6 months in advance. Quality catamarans fill up fast and last-minute availability is rare during the holidays.
The season also decides where a boat can comfortably sail. Our guide to sailing routes in Panama sets out which routes suit which months, on both the Caribbean and the Pacific side.
For shoulder and green season (April–November), 4–8 weeks in advance is usually sufficient, though earlier is always better to guarantee your preferred dates and boat.
Ready to Book Your San Blas Catamaran Charter?
At AMPA Tours, our private catamarans sail the San Blas Islands year-round. Whether you’re planning a peak-season family adventure or a quiet green-season escape for two, we’ll match you with the perfect boat and dates.
Inquire about your San Blas charter →
San Blas Islands: Month-by-Month Guide
| Month | Weather | Seas | Crowds | Price Level | Rating |
|---|---|---|---|---|---|
| Jan | Sunny, dry | Calm | High | Peak | 10/10 |
| Feb | Sunny, dry | Calm | High | Peak | 10/10 |
| Mar | Sunny, dry | Calm | Medium | High | 9/10 |
| Apr | Partly cloudy | Calm | Medium | Mid | 8/10 |
| May | PM showers | Moderate | Low | Low | 6/10 |
| Jun-Aug | Rainy (PM) | Moderate | Low | Low | 5/10 |
| Sep-Oct | Heavy rain | Rough | Very Low | Lowest | 3/10 |
| Nov | Improving | Moderate | Low | Low | 6/10 |
| Dec | Sunny, dry | Calm | Medium | High | 9/10 |
Ready to go?
Day tours run year-round. $148/person from Panama City, transport and lunch included.
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Good to know
Frequently asked questions
What is the best month to visit San Blas Islands?
January and February are the best months to visit San Blas. Skies are clear, seas are calm, and snorkeling visibility reaches 15 to 20 meters. December is also excellent as the dry season begins.
Can you visit San Blas during rainy season?
Yes, San Blas is open year-round. The rainy season (May to November) brings afternoon showers and rougher seas, but also fewer tourists and lower prices. September and October have the heaviest rain.
When is hurricane season in San Blas?
San Blas is south of the Caribbean hurricane belt, so hurricanes are extremely rare. However, tropical storms can bring rough seas from June to November. AMPA Tours monitors weather conditions and adjusts itineraries for safety.
Is San Blas crowded during peak season?
Even during peak season (December to April), San Blas never feels crowded. With 365 islands and limited tourism infrastructure, most islands have very few visitors. Private charters give you islands entirely to yourself.