Sant Antoni de Portmany in Summer
In summer (June, July and August), Sant Antoni de Portmany sees average daytime highs around 28°C and overnight lows near 23°C, with 26 mm of rain over about 4 wet days across the season. It is the warmest season of the year and the driest season of the year.
Over the season highs climb from about 24°C in early June to 29°C by late August. The sky is clear or mostly clear about 79% of the time across summer, and the air most often feels muggy.
Summer is Sant Antoni de Portmany's best season of the year to visit on our travel score. For the whole year in context, see Sant Antoni de Portmany's year-round climate.
- Avg daytime high
- 28°C
- warmest season of the year
- Avg overnight low
- 23°C
- Rainfall
- 26 mm
- 4 wet days
- Avg wind
- 13 km/h
- Travel score
- 7.8
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Sant Antoni de Portmany in Summer
Over the season highs climb from about 24°C in early June to 29°C by late August.
A typical summer day in Sant Antoni de Portmany reaches about 28°C and drops to 23°C overnight. The warmest of the three months is August, the coolest June.
Sant Antoni de Portmany weather by month
How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 15° / 11° | 31 | 5.5 | 9.6 | 5.3 |
| Feb | 15° / 11° | 25 | 4.8 | 10.5 | 5.4 |
| Mar | 17° / 12° | 21 | 4.1 | 11.7 | 6.4 |
| Apr | 19° / 14° | 25 | 4.7 | 13 | 7.1 |
| May | 22° / 17° | 20 | 3 | 14.1 | 8.1 |
| Jun | 26° / 21° | 7 | 1.7 | 14.7 | 8.7 |
| Jul | 29° / 23° | 3 | 0.4 | 14.5 | 7.7 |
| Aug | 29° / 24° | 16 | 1.9 | 13.5 | 6.9 |
| Sep | 27° / 22° | 41 | 4.6 | 12.3 | 7.7 |
| Oct | 23° / 19° | 46 | 5.5 | 11 | 7.8 |
| Nov | 19° / 15° | 47 | 6.7 | 9.9 | 6.7 |
| Dec | 16° / 12° | 36 | 5.3 | 9.3 | 5.8 |
Cloud cover in Summer
The sky is clear or mostly clear about 79% of the time across summer.
Chance of precipitation in Summer
Sant Antoni de Portmany gets around 26 mm of rain over 4 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 13 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 30 min in early June to 12 h 54 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 7.2 kWh/m².
Is summer a good time to visit Sant Antoni de Portmany?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is one of the better times to visit Sant Antoni de Portmany for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Sant Antoni de Portmany in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Sant Antoni de Portmany sees daytime highs around 28°C and nights near 23°C. Pack light clothes and sun protection.
Sea temperature near Sant Antoni de Portmany in Summer
The nearest coast averages about 24°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 13 km away) is warmest in August at about 26°C and coldest in February near 14°C.
It's comfortable for a long swim from Jun 2 to Nov 5 — about 5.2 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 15 | 14 | 15 | 16 | 18 | 22 | 25 | 26 | 25 | 22 | 19 | 16 |
| Comfort | Bracing | Bracing | Bracing | Cool | Cool | Refreshing | Warm | Warm | Warm | Refreshing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 15 | Bracing |
| Feb | 14 | Bracing |
| Mar | 15 | Bracing |
| Apr | 16 | Cool |
| May | 18 | Cool |
| Jun | 22 | Refreshing |
| Jul | 25 | Warm |
| Aug | 26 | Warm |
| Sep | 25 | Warm |
| Oct | 22 | Refreshing |
| Nov | 19 | Cool |
| Dec | 16 | Cool |
UV index in Sant Antoni de Portmany in Summer
Clear-sky midday UV across summer averages around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Sant Antoni de Portmany peaks around July 16 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 5 | 4 | 7 | 9 | 10 | 8 | 7 | 4 | 2 | 2 |
| Level | Moderate | Moderate | High | Moderate | High | Very high | Very high | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Moderate |
| Feb | 3 | Moderate |
| Mar | 5 | High |
| Apr | 4 | Moderate |
| May | 7 | High |
| Jun | 9 | Very high |
| Jul | 10 | Very high |
| Aug | 8 | Very high |
| Sep | 7 | High |
| Oct | 4 | Moderate |
| Nov | 2 | Moderate |
| Dec | 2 | Low |
Where is Sant Antoni de Portmany?
Sant Antoni de Portmany sits at 39.0°N, 1.3°E, 14 m above sea level, in Spain. The nearest listed city is Ibiza, 14 km away.
Topography around Sant Antoni de Portmany
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sant Antoni de Portmany.
Within 3 km, the terrain around Sant Antoni de Portmany has only modest variations in elevation — a maximum elevation change of 240 m around an average of 34 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 485 m; within 80 km, significant variations in elevation — a maximum elevation change of 477 m.
The land around Sant Antoni de Portmany is covered by water (25%), trees (23%) and grassland (23%) within 3 km, water (51%) and trees (26%) within 16 km, and water (93%) within 80 km.
Spain travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / F
- 230 V · 50 Hz
- Prices
- ≈ 65% of US
- price level, 2025
- GDP per capita
- $38,627
- 2025
- Happiness
- 6.5 / 10
- World Happiness, 2025
- Safe drinking water
- 99%
- of population, 2024
- Homicide rate
- 0.7
- per 100k, 2023
- Road deaths
- 3.9
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 540
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Sant Antoni de Portmany (38.9807°, 1.3036°, elevation 14 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.