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
Check Details
Atmospheric Conditions

The Spring & Summer Climatology

June represents a beautiful transition in the Mallorcan climate. It marks the arrival of stable, warm high-pressure systems. Because the extreme heat of mid-summer is still weeks away, this is the peak period for active outdoor sports, including hiking, cycling, and rock climbing.

Daytime maximum temperatures in June reach a highly comfortable range of 25°C to 29°C (77°F to 84°F). Solar radiation is intense, offering 9 to 10 hours of bright sunshine daily. The relative humidity levels hover at a stable 65% to 70%, and coastal winds remain mild, averaging only 10 to 14 km/h (6 to 9 mph).

Rainfall is statistically negligible during the spring-summer transition. Historical models indicate no more than 4 to 6 days containing brief, scattered showers, accumulating a mere 3mm to 36mm (0.1 to 1.4 inches) of total rainfall. Conversely, evening temperatures drop to a comfortable 18°C to 21°C (64°F to 70°F), meaning you will need only a light layer for twilight dining.

Sunny clear skies over Es Pontàs limestone arch
Oceanographic Data

The Balearic Sea "Swimmability" Index

The thermal mass of the Mediterranean Sea means that water temperatures naturally lag behind the rapid warming of the atmosphere. This lag creates a distinct gap between air warmth and water temperature during spring.

In early June, sea surface temperatures hover around a highly comfortable 20°C to 21°C (68°F to 70°F). However, intense sun heating drives temperatures up to 22°C (71.6°F) by late June. Local residents and tourists view June as the true, warm beginning of the active bathing season.

While the water is refreshingly cool compared to the 25°C+ (77°F+) highs of July, swimming and snorkeling beneath Es Pontàs are highly popular. The primary benefit of swimming in June is the absolute clarity of the sea. Because the massive fleets of motorized superyachts have not yet arrived to fully churn up coastal sediment, underwater visibility remains exceptional.

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.

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Mineral Sunscreen

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

🕶️

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...