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Formentera weather in May

Weather in Formentera: May

Average day temperature: 69.5°F
Average night temperature: 64.4°F
Sea water temperature: 66.0°F
Number of sunny days: 24 days
Day length: 13.8 - 14.7 hours
Number of rainy days: 1 day
Precipitation totals: 0.6 in.

Air temperature in May, °F

Show year:
2025
2024
2023

The highest day temperature during May of 2025 was 76°F. At the same time the lowest night temperature was 60°F. Daily and nightly averages during May were 68.8°F and 64.8°F.

Sea water temperature in Formentera in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 67.2°F. The highest and lowest sea temperatures during the month were 71.4°F and 63.9°F.

Sunny, partly cloudy and cloudy days

Mostly all days in May are sunny but cloudy days are also possible.

Precipitation total in May, in.

Precipitation total value in Formentera in May is 0.7 in. Other months of the year show relatively similar values.

Wind speed in May, mph

The average wind speed value in May is 9.7 mph It makes May one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 11.1.

Best time for vacation in Formentera

Sunniest months:
July 28 days
August 28 days
June 27 days
Warmest months:
August 84.3 °F
July 83.1 °F
September 79.9 °F
Warmest sea temp:
August 80.8 °F
July 78.7 °F
September 78.6 °F
Coldest months:
February 58.5 °F
January 59.0 °F
March 60.5 °F
Rainiest months:
November 3 days
January 2 days
September 2 days
Windiest months:
November 14.1 mph
March 13.9 mph
January 13.6 mph

Formentera on a weather map

Formentera
+63°F
NE 3 mph
Feels like: +63°F
Precip.: 0%
Places in Spain:
Name
°F
+63°F
+61°F
+61°F
+70°F
+61°F
+55°F
+75°F
+52°F
+61°F
+59°F
+64°F
+63°F
+70°F
24 Hours Forecast
Formentera
Local time: 18:03
December 07, sunday
2100
63°F
N
7 mph
December 08, monday
0000
61°F
NE
6 mph
0300
61°F
E
5 mph
0600
61°F
E
4 mph
0900
61°F
E
3 mph
1200
63°F
NE
4 mph
1500
64°F
NE
4 mph
1800
61°F
NE
3 mph
Units of measurement: °C / °F