FormenteraPhoto: acediscovery · CC BY 4.0Spain · Europe
Best time to visit Formentera
Formentera is laid-back and known for very clear water. Hot, dry summers and a warm Mediterranean; reached by ferry from Ibiza.
Climate decision
Best travel months for Formentera
Top recommendation
Next highest scores
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Latest 5-year values 2021–2025
Average of the five most recent complete years compared with the 1991–2025 climate average.
July · Mean daily maximum
26.9 °C
1991–2025: 25.4 °C
+1.6 °C · higher
March · Wet days
10.2 days/month
1991–2025: 8.3 days/month
+1.9 days/month · higher
March · Monthly precipitation
63.4 mm/month
1991–2025: 45.3 mm/month
+18.1 mm/month · higher
August · Sea temperature
27.3 °C
1991–2025: 26.3 °C
+1.1 °C · higher
August: 4/155 days at or above 30 °C; highest single value 31.1 °C.
Five-year historical sample, not a weather forecast or long-term climate trend. Individual hot days can be far above the monthly mean.
Annual profile · Coast and sea
Formentera: the swimming season follows two curves
Average daily highs vary by 12.3 °C through the year, while the sea varies by 11.8 °C. Air and water temperature should therefore be considered separately.
The practical difference
The month with the highest daytime temperature and the month with the warmest sea need not define the same travel window. Rain and sunshine help resolve the trade-off.
Warmest sea
August · 26.3 °C
Highest average daily high
August · 26.5 °C
Fewest rainy days
July · 1.3
Most sunshine
June · 9.3 h
Month by month
Overall suitability per month. Tap a month for details.
All climate figures compared
The table is the complete accessible data view; the charts below highlight selected patterns.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Rain mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| January | 15 | 13 | 9 | 51 | 3.0 | 76 | 5.1 | 15 | 47 |
| February | 14 | 13 | 7 | 38 | 4.1 | 77 | 5.0 | 14 | 50 |
| March | 15 | 14 | 8 | 45 | 5.7 | 79 | 4.9 | 15 | 51 |
| April | 16 | 15 | 7 | 42 | 7.2 | 80 | 4.6 | 16 | 59 |
| May | 19 | 18 | 7 | 35 | 8.4 | 82 | 3.9 | 18 | 71 |
| June | 22 | 21 | 3 | 13 | 9.3 | 82 | 3.6 | 22 | 88 |
| July | 25 | 24 | 1 | 6 | 9.2 | 80 | 3.6 | 25 | 93 |
| August | 27 | 25 | 4 | 18 | 8.1 | 79 | 3.7 | 26 | 91 |
| September | 25 | 24 | 10 | 56 | 6.2 | 75 | 4.0 | 25 | 85 |
| October | 22 | 21 | 10 | 64 | 4.5 | 77 | 4.4 | 22 | 79 |
| November | 19 | 17 | 11 | 72 | 3.2 | 74 | 5.3 | 19 | 61 |
| December | 16 | 15 | 9 | 57 | 2.6 | 75 | 5.1 | 17 | 50 |
Climate through the year
Compare temperature, rainy days, sunshine and, for coastal destinations, sea temperature month by month.
Find a place to stay
Where to stay in Formentera
Compare available stays, prices and cancellation terms for Formentera on Booking.com.
Booking.comFind places to stayAffiliate link: there is no extra cost to you.
Useful next decisions
Similar destinations
The number is the overall climate score, not a similarity score.
Country and region
Frequently asked questions
When is the best time to visit Formentera?
The strongest climate months are June, July, August, September. Values are historical averages, not a forecast.
Which month has the highest average daily maximum temperature in Formentera?
The average daily maximum temperature in Formentera is highest in August at around 27 °C.
When is the sea warmest at Formentera?
In August, at around 26 °C.