Travel information
Water temperature Mallorca – from 14 °C in winter to 26 °C in August
The monthly values at a glance and what they mean for beach holidays, swimming and snorkelling.
From June to October the sea is around 22 degrees or warmer.
The short answer
When is the sea in Mallorca warm enough for swimming?
From June the water reaches around 22 degrees, a pleasant bathing temperature for most people, which lasts until October (23 degrees). July and August are the warmest months at 25 to 26 degrees. If you can tolerate cooler water, you can go into the sea from May at 19 degrees.
Water temperature by month
Average values for Mallorca’s coastal waters (source: wassertemperatur.org, as of September 2026).
| Month | Water temperature | Assessment |
|---|---|---|
| January | 14 °C | Winter values, swimming only with a wetsuit |
| February | 14 °C | Low point of the year, as in January and March |
| March | 14 °C | The air gets milder, the sea stays cool |
| April | 16 °C | First sunny days, water still fresh |
| May | 19 °C | Start of the bathing season for the hardy |
| June | 22 °C | Pleasantly warm for most people |
| July | 25 °C | High season, warm water |
| August | 26 °C | Warmest month of the year |
| September | 25 °C | As warm as in July, quieter on the beach |
| October | 23 °C | Good month for swimming with fewer crowds |
| November | 20 °C | Swimmable, but air and wind cool things down |
| December | 16 °C | Swimming only for the hardened |
Best months by target group
With children
July and August: warmest, most pleasant water – but the highest prices and the biggest crowds.
For swimming and sport
June or September: warm water, but considerably less crowded beaches.
For snorkelling and diving
July to September: best visibility and warmest temperatures, ideal in combination with light winds.
Water and air temperatures differ
In Mallorca the air temperature is often already summery in May, but the sea only catches up in the course of June. For anyone planning an early off-season trip, this is the decisive difference: a warm spring day does not yet mean a beach day.
Read on month by month
January · February · March · April · May · June · July · August · September · October · November · December
Frequently asked questions
From when can you swim in Mallorca?
From May and June the water becomes pleasantly warm for most people at 19 to 22 degrees.
When is the water in Mallorca warmest?
In August with an average of 26 degrees, closely followed by July and September with 25 degrees each.
Is the sea still warm enough in October?
At around 23 degrees, October is still a good month for swimming – often combined with considerably fewer tourists.
Why is the water cooler than the air in May?
The sea stores heat more slowly. The air is often already summery, while the water only catches up in the course of June.
Next steps