Santo António in Summer
In summer (June, July and August), Santo António sees average daytime highs around 23°C and overnight lows near 18°C, with 24 mm of rain over about 7 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 20°C in early June to 24°C by late August. The sky is clear or mostly clear about 49% of the time across summer, and the air most often feels comfortable.
Summer is Santo António's best season of the year to visit on our travel score. For the whole year in context, see Santo António's year-round climate.
- Avg daytime high
- 23°C
- warmest season of the year
- Avg overnight low
- 18°C
- Rainfall
- 24 mm
- 7 wet days
- Avg wind
- 11 km/h
- Travel score
- 8.2
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Santo António in Summer
Over the season highs climb from about 20°C in early June to 24°C by late August.
A typical summer day in Santo António reaches about 23°C and drops to 18°C overnight. The warmest of the three months is August, the coolest June.
Santo António 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 | 16° / 13° | 51 | 8.4 | 10.1 | 4.9 |
| Feb | 15° / 12° | 53 | 7.9 | 10.8 | 4.8 |
| Mar | 16° / 13° | 56 | 10.3 | 11.8 | 5.0 |
| Apr | 17° / 13° | 47 | 8.6 | 12.8 | 5.4 |
| May | 19° / 14° | 28 | 7.4 | 13.7 | 6.4 |
| Jun | 21° / 16° | 13 | 3.5 | 14.1 | 7.5 |
| Jul | 23° / 18° | 4 | 1.4 | 13.9 | 8.6 |
| Aug | 24° / 19° | 7 | 2.5 | 13.2 | 8.6 |
| Sep | 23° / 19° | 25 | 7.7 | 12.2 | 7.2 |
| Oct | 21° / 18° | 69 | 11.7 | 11.2 | 6.1 |
| Nov | 18° / 15° | 64 | 11 | 10.3 | 5.6 |
| Dec | 17° / 14° | 83 | 10.4 | 9.9 | 5.1 |
Cloud cover in Summer
The sky is clear or mostly clear about 49% of the time across summer.
Chance of precipitation in Summer
Santo António gets around 24 mm of rain over 7 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 11 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 hours in early June to 12 h 42 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 7.1 kWh/m².
Hazard calendar for Santo António
In summer, Santo António overlaps its atlantic hurricane season. The full year is below, with each hazard's peak months called out.
Santo António sits in the Atlantic hurricane belt; the season peaks August–October.
Is summer a good time to visit Santo António?
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 Santo António for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Santo António in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Santo António sees daytime highs around 23°C and nights near 18°C. Pack sun protection. Worth having: light clothes. About 7 days see rain.
Sea temperature near Santo António in Summer
The nearest coast averages about 22°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in September at about 24°C and coldest in March near 18°C.
It's comfortable for a long swim from May 30 to Dec 14 — about 6.5 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 19 | 18 | 18 | 18 | 19 | 21 | 22 | 23 | 24 | 23 | 21 | 20 |
| Comfort | Cool | Cool | Cool | Cool | Cool | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 19 | Cool |
| Feb | 18 | Cool |
| Mar | 18 | Cool |
| Apr | 18 | Cool |
| May | 19 | Cool |
| Jun | 21 | Refreshing |
| Jul | 22 | Refreshing |
| Aug | 23 | Refreshing |
| Sep | 24 | Refreshing |
| Oct | 23 | Refreshing |
| Nov | 21 | Refreshing |
| Dec | 20 | Cool |
UV index in Santo António in Summer
Clear-sky midday UV across summer averages around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Santo António peaks around July 15 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 4 | 5 | 9 | 8 | 9 | 10 | 11 | 10 | 8 | 7 | 3 | 3 |
| Level | Moderate | Moderate | Very high | Very high | Very high | Extreme | Extreme | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 4 | Moderate |
| Feb | 5 | Moderate |
| Mar | 9 | Very high |
| Apr | 8 | Very high |
| May | 9 | Very high |
| Jun | 10 | Extreme |
| Jul | 11 | Extreme |
| Aug | 10 | Very high |
| Sep | 8 | Very high |
| Oct | 7 | High |
| Nov | 3 | Moderate |
| Dec | 3 | Moderate |
Where is Santo António?
Santo António sits at 32.7°N, 16.9°W, 234 m above sea level, in Portugal. The nearest listed city is Funchal, 1.0 km away.
Topography around Santo António
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santo António.
Within 3 km, the terrain around Santo António has large variations in elevation — a maximum elevation change of 911 m around an average of 275 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,832 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,813 m.
The land around Santo António is covered by trees (43%) and artificial surfaces (42%) within 3 km, water (48%) and trees (39%) within 16 km, and water (93%) within 80 km.
Portugal travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type C / E / F
- 230 V · 50 Hz
- Prices
- ≈ 60% of US
- price level, 2025
- GDP per capita
- $32,082
- 2025
- Happiness
- 6.0 / 10
- World Happiness, 2025
- Safe drinking water
- 95%
- of population, 2024
- Homicide rate
- 0.7
- per 100k, 2022
- Road deaths
- 8.2
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Very high
- EF EPI 612
- 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 Santo António (32.6614°, -16.9348°, elevation 234 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.