Oceanic & Atmospheric Data

Weather & Climatology

Vetted meteorological data, average air conditions, sea surface warmth, and direct packing list advice for your southeastern Mallorcan vacation.

Photo by Kruegings / Openverse

Average High (June)

25°C to 29°C / 77°F to 84°F. Excellent summer warmth, perfect for coastal trails.

Sea Temp (June)

20.0°C to 22.0°C / 68.0°F to 71.6°F. Perfect swimming season, highly clear water.

UV Index

Varies 7 to 9 (Very High). Strict sun protection and hydration mandatory.

Water Activities

Vetted Sunny Day Water Excursions

Boat tour Cala Figuera, Es Pontas, Caló de Moro, Cala Marmols
Viator
€53 / $58

Boat tour Cala Figuera, Es Pontas, Caló de Moro, Cala Marmols

★ 4.5 (42 reviews)
4 Hours
Check Details
Caló des Moro Boat Ride and Nature Tour from Cala Figuera
Viator
€49 / $54

Caló des Moro Boat Ride and Nature Tour from Cala Figuera

★ 4.8 (131 reviews)
4 Hours
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Atmospheric Conditions

The Spring & Summer Climatology

June is one of my absolute favorite months here. It's that beautiful sweet spot where stable, warm weather finally settles in, but the scorching, heavy heat of July and August is still weeks away. It's the perfect time of year for active sports like exploring the coastal trails, cycling, or deep-water soloing.

During the day, you'll get glorious, comfortable temperatures between 25°C to 29°C (77°F to 84°F). The sun shines brightly for 9 or 10 hours a day, the air feels crisp and light, and we get gentle, cool sea breezes blowing at a mild 10 to 14 km/h (6 to 9 mph) to keep you fresh on the walks.

Rain? You don't have to worry about that. June is incredibly dry, with maybe a couple of quick, refreshing showers that clear up in minutes, leaving only a tiny 3mm to 36mm (0.1 to 1.4 inches) of rain over the whole month. In the evenings, things cool down to a very pleasant 18°C to 21°C (64°F to 70°F)—perfect for dining outside under the stars. Just throw a light sweater over your shoulders, and you're good to go!

Sunny clear skies over Es Pontàs limestone arch
Oceanographic Data

The Balearic Sea "Swimmability" Index

Now, let's talk about *la mar*. Our beautiful Mediterranean Sea takes a bit longer to warm up than the air, which actually feels amazing after a long hike along the cliffs.

In early June, the water sits around 20°C to 21°C (68°F to 70°F), but the strong summer sun warms it up to a lovely 22°C (71.6°F) by the time the month ends. For us locals, June marks the official start of the real swimming and beach season.

Yes, it's refreshingly cool compared to the warm bath of July and August, but it feels incredible for swimming and snorkeling under the arch. And here's a massive local secret: June has the most crystal-clear water of the entire year! The giant fleets of luxury yachts haven't arrived yet to churn up the sand, meaning visibility underwater is absolutely spectacular. You'll see every fish and rock perfectly!

Seasonal Breakdown

Average Monthly Weather Metrics

Vetted climatology data mapping the seasonal progression of Santanyí's coast.

Month Day High (°C / °F) Night Low (°C / °F) Sea Temp (°C / °F) Rainfall (mm / inches) Sun Hours
April 19°C / 66°F 11°C / 52°F 15°C / 59°F 39mm / 1.5" 8 Hours
May (Peak Active) 23°C / 73°F 14°C / 57°F 18°C / 64°F 28mm / 1.1" 9 Hours
June 27°C / 81°F 18°C / 64°F 21°C / 70°F 12mm / 0.5" 10 Hours
July (Peak Beach) 30°C / 86°F 21°C / 70°F 24°C / 75°F 6mm / 0.2" 11 Hours
August 31°C / 88°F 21°C / 70°F 26°C / 79°F 18mm / 0.7" 10 Hours
September 28°C / 82°F 19°C / 66°F 25°C / 77°F 50mm / 2.0" 8 Hours

Mateo's Vetted Packing List

Based on 15 years of coastal guiding, these items are essential for navigating our micro-climate comfortably:

🥾

Closed-Toe Trainers

Essential for the jagged, gravel-strewn cliff path. Never wear flip-flops on the Mirador approach.

🧥

Evening Layers

A light pullover or cardigan is highly useful for outdoor twilight dining when coastal breezes cool down.

🧴

Mineral Sunscreen

Our UV index routinely hits 8+. Protect your skin and protect our fragile marine ecosystems by using reef-safe zinc.

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ISO Eclipse Glasses

If visiting in August 2026, certified ISO-standard glasses are mandatory to view the historic solar eclipse safely.

Checking live Santanyí meteorological data...