Average daily temperature during the week of 18 August 2025 - 24 August 2025 was 30 °C (86 °F), average minimal (night) temperature was 24 °C (75 °F). These temperatures are roughly same as the long-time average for Formentera, being 30 °C (86 °F) for daily temperatures and 23 °C (73 °F) for night temperatures. The average temperatures observed during different times of day (based on local time) were as below: 7am 24 °C (75 °F), 10am 28 °C (82 °F), 1pm 29 °C (84 °F), 4pm 29 °C (84 °F), 7pm 28 °C (82 °F), 10pm 27 °C (81 °F).

There were 5 days without rain and 2 days with light rain during this week. The total precipitation for the week in Formentera was 1 mm (0.04 in), which is slightly below the area's average of 4 mm (0.16 in). The daytime hours (from dawn to dusk) had an average cloud coverage of 19 %.

The wind's speed averaged 2.7 m/s. The prevailing winds blew from the East and North. The air pressure varied between 1007 hpa and 1017 hpa. The air in Formentera had an average humidity of 71 %.

On average, there were 11.5 hours clear skies and 3 hours partially overcast skies during the daytime (from dawn to dusk). At 07:13, on average, the sun rose, and at 20:41, the sun set.

Weather overview

The island of Formentera, Spain, enjoys a climate that is predominantly warm, marked by pleasant temperatures and inviting sea waters throughout the year. During January, the daytime temperatures hover around 16 °C (60 °F), peaking in August with balmy 30 °C (86 °F) highs. As night falls, the temperatures range from a cool 8 °C (46 °F) in February to a comfortable 23 °C (73 °F) in August. Sea temperatures are also appealing, with the warmest waters found in August at 26 °C (78 °F) and the coldest in February tugging at 14 °C (58 °F). The island experiences its driest conditions in July, having barely 1 day of rainfall, while November brings the most rain with an average of 6 days of precipitation. One can enjoy abundant sunshine due to the modest rain, while the winds maintain a gentle embrace, contributing to a serene coastal setting.

January weather

In Formentera, January experiences its lowest daytime temperatures at 16 °C (60 °F), accompanied by a noticeable dip in the sea temperature to 15 °C (58 °F). Precipitation begins to decrease, with monthly totals around 40 mm (1.58 in). High humidity levels are prevalent, and nighttime temperatures continue their downward trend, settling at 8 °C (46 °F).

February weather

February in Formentera brings the lowest sea temperatures of the year, recorded at 14 °C (58 °F), alongside similarly low night temperatures of 8 °C (46 °F). Rainfall continues to diminish to 34 mm (1.35 in), and Formentera enjoys an initial increase in cloudless sunny hours.

March weather

March heralds the start of rising day and night temperatures in Formentera, warming up to 10 °C (49 °F) during the night. The number of wet days begins to decrease, recorded at 4 days. The duration of sunlit hours continues to climb, reaching 6 hours.

April weather

April sees a rise in Formentera's daytime temperatures, while the sea warms up to 16 °C (60 °F). Night temperatures also increase, averaging 12 °C (53 °F). The duration of sunny hours rises further to 8 hours, and the month's maximum windspeed is noted at 4.

May weather

As May arrives in Formentera, daytime temperatures continue their ascent, reaching 23 °C (73 °F), while the sea temperature also climbs, averaging 18 °C (64 °F). The frequency of rainy days begins to diminish, with a typical count of 3 days, concurrent with a reduction in rain volume to 24 mm (0.95 in). Night temperatures rise congruently, averaging 15 °C (58 °F), and hours of clear sunshine increase to 9 hours.

June weather

With the arrival of June, Formentera embraces the commencement of the tourist season as day temperatures warm to 27 °C (80 °F) and the sea reaches 21 °C (70 °F). Wet days are fewer, numbered at 2 days, and rainfall volumes decrease to 9 mm (0.37 in). Night temperatures continue the pattern of increase, settling at 19 °C (66 °F).

July weather

July in Formentera showcases a continuation of increasing temperatures with a day heat of 30 °C (85 °F) and sea temperatures that climb to 24 °C (76 °F). The tourist season is in full swing as the number of rainy days hits a yearly low and conducted to a minimum in rainfall volume. The number of sunny hours peaks at 11 hours.

August weather

Formentera's tourist season reaches its zenith in August with the day temperature maxing out at 30 °C (86 °F) and the sea at its warmest 26 °C (78 °F). The night temperatures also hit their peak at 23 °C (73 °F). A subtle increase in the number of wet days is observed, contrasted by a slight decrease in sunny hours.

September weather

September sees the onset of cooling in Formentera with daytime temperatures moderating to 27 °C (81 °F) and sea temperatures beginning their decline. The continuation of the tourism season is observed, as well as an upsurge in rainfall and an increase in wet days, with the average monthly rainfall reaching 49 mm (1.92 in). The sunny hours continue to wane, reflected in a decrease to 8 hours.

October weather

October's arrival in Formentera marks a noticeable cooling with daytime temperatures falling to 24 °C (75 °F) and the sea growing cooler, averaging 22 °C (71 °F). Wet days are more frequent, with the rainfall totals reaching their highest at 57 mm (2.26 in). The duration of sunlit hours continues to lessen, measured at 7 hours, and windspeeds hit their yearly minimum.

November weather

November in Formentera witnesses a further drop in day temperatures to 19 °C (67 °F), while the sea temperature continues to cool. The zenith of wet days is reached, recorded at 6 days, with the rain volume beginning to decrease. Night temperatures remain on a downward slope. Fewer sunny hours are seen, dipping to 6 hours.

December weather

As Formentera enters December, daytime temperatures continue to drop, hitting a monthly average of 17 °C (62 °F), while the sea temperature similarly declines. The number of wet days eases down, and nighttime temperatures also retract to 9 °C (49 °F). The least amount of sunny hours marks the month, accompanied by shorter days in length.

What is the typical day and night temperature in Formentera in January?

Typical daytime temperatures in Formentera in January are around 16 °C (60 °F), while nighttime temperatures average around 8 °C (46 °F).

Can you swim in the sea in Formentera during February?

Swimming in the sea in Formentera during February might be quite uncomfortable, as the sea temperature drops to an average low of 14 °C (58 °F).

How are the temperature changes and precipitation in Formentera during March?

March in Formentera is characterized by warming temperatures, both during the day and night, with a decrease in wet days to 4 days, and an increase in sunshine hours to around 6 hours.

What are the typical wind conditions in Formentera in April?

In Formentera, April typically features an average maximum windspeed of 4.

How do daytime temperatures and sunshine hours change in Formentera during May?

In Formentera, May heralds higher daytime temperatures averaging 23 °C (73 °F) and longer periods of clear skies with about 9 hours of sunshine.

What weather can tourists expect in Formentera in June?

Tourists visiting Formentera in June can anticipate warm day temperatures of about 27 °C (80 °F) with minimal rainy days, averaging only 2 days.

Is the weather suitable for beach activities in Formentera in July?

The weather in Formentera in July is highly suitable for beach activities, with peak temperatures averaging 30 °C (85 °F) and numerous sunny hours at 11 hours.

What are the peak temperatures like in Formentera in August?

The peak temperatures in Formentera during August average an impressive 30 °C (86 °F) during the day and 23 °C (73 °F) at night.

Will I still encounter tourist season conditions in Formentera in September?

Yes, September in Formentera maintains tourist season conditions with comfortable temperatures averaging 27 °C (81 °F) and a good amount of sunny hours despite the start of cooling.

Should I expect a lot of rain in Formentera during October?

In October, Formentera experiences an increase in rainfall with peak monthly totals of around 57 mm (2.26 in), so preparing for wetter conditions is advisable.

Is November generally a rainy month in Formentera?

November is indeed one of Formentera's rainier months, with the apogee of wet days averaging 6 days, indicating more frequent precipitation.

What can visitors expect regarding weather in Formentera during December?

Visitors in December can expect cooler day temperatures at 17 °C (62 °F), fewer wet days, and the shortest sunny hours and day lengths of the year.