Cascais weather in August
In August, Cascais sees average daytime highs of 19°C and overnight lows near 18°C, with 4 mm of rain across 0.8 wet days and about 13.5 hours of daylight. It is the 1st-warmest and 11th-wettest month of the year here.
Day-to-day highs hold fairly steady near 19°C through the month. The sky is clear or mostly clear about 77% of the time in August, and the air most often feels humid.
Daylight stretches from about 14 hours at the start of August to 12 h 54 min by month's end. Set against the rest of the year, August is Cascais's 2nd-clearest and 4th-windiest month. For the whole year in context, see Cascais's year-round climate.
- Daytime high
- 19°
- 1st warmest
- Overnight low
- 18°
- 12th coldest
- Rainfall
- 4 mm
- 0.8 wet days
- Daylight
- 13 h 30 min
- 5:56 AM – 7:27 PM
- Cloud cover
- 23%
- 2nd clearest
- Wind
- 24 km/h
- 4th windiest
- Solar energy
- 6.73 kWh/m²
- Travel score
- 8.2
- out of 10
- Air quality
- Good
- PM10 23.1 µg/m³ · 2019
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in August
Day-to-day highs hold fairly steady near 19°C through the month.
A typical August day in Cascais reaches about 19°C in the afternoon and slips back to 18°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 21°C. Set against its neighbours, August runs on par with July and on par with September.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 |
| Avg low (°C) | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 19 | 18 |
| 2 | 19 | 18 |
| 3 | 19 | 18 |
| 4 | 19 | 18 |
| 5 | 19 | 18 |
| 6 | 19 | 18 |
| 7 | 19 | 18 |
| 8 | 19 | 18 |
| 9 | 19 | 18 |
| 10 | 19 | 18 |
| 11 | 19 | 18 |
| 12 | 19 | 18 |
| 13 | 19 | 18 |
| 14 | 19 | 18 |
| 15 | 19 | 18 |
| 16 | 19 | 18 |
| 17 | 19 | 18 |
| 18 | 19 | 18 |
| 19 | 19 | 18 |
| 20 | 19 | 18 |
| 21 | 19 | 18 |
| 22 | 19 | 18 |
| 23 | 19 | 18 |
| 24 | 19 | 18 |
| 25 | 19 | 18 |
| 26 | 19 | 18 |
| 27 | 19 | 18 |
| 28 | 19 | 18 |
| 29 | 19 | 18 |
| 30 | 19 | 18 |
| 31 | 19 | 18 |
Cascais weather by month
How August compares with the rest of the year at a glance. August is the 1st-warmest and 11th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 14° / 12° | 81 | 10.2 | 9.6 | 4.3 |
| Feb | 14° / 12° | 60 | 8.2 | 10.5 | 4.3 |
| Mar | 15° / 13° | 56 | 8.1 | 11.7 | 4.7 |
| Apr | 15° / 14° | 50 | 7.8 | 13 | 5.1 |
| May | 17° / 15° | 40 | 5.4 | 14.1 | 6.1 |
| Jun | 18° / 17° | 8 | 1.8 | 14.7 | 7.5 |
| Jul | 19° / 18° | 2 | 0.6 | 14.4 | 8.2 |
| Aug | 19° / 18° | 4 | 0.8 | 13.5 | 8.2 |
| Sep | 19° / 18° | 27 | 3.8 | 12.3 | 7.5 |
| Oct | 19° / 17° | 80 | 9 | 11 | 6.3 |
| Nov | 17° / 15° | 95 | 10.6 | 9.9 | 5.3 |
| Dec | 15° / 13° | 89 | 10.6 | 9.3 | 4.6 |
Cloud cover in August
The sky is clear or mostly clear about 77% of the time in August.
Beyond those clear spells, partly cloudy skies cover about 14% of August, with mostly cloudy or overcast conditions the remaining 9%. Skies tend to cloud over as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 93 | 93 | 93 | 93 | 93 | 93 | 92 | 92 | 92 | 91 | 91 | 90 | 90 | 91 | 91 | 91 | 91 | 91 | 90 | 90 | 90 | 90 | 90 | 89 | 89 | 89 | 89 | 89 | 88 | 88 | 88 |
| Cloudier (%) | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 93 | 7 |
| 2 | 93 | 7 |
| 3 | 93 | 7 |
| 4 | 93 | 7 |
| 5 | 93 | 7 |
| 6 | 93 | 7 |
| 7 | 92 | 8 |
| 8 | 92 | 8 |
| 9 | 92 | 8 |
| 10 | 91 | 9 |
| 11 | 91 | 9 |
| 12 | 90 | 10 |
| 13 | 90 | 10 |
| 14 | 91 | 9 |
| 15 | 91 | 9 |
| 16 | 91 | 9 |
| 17 | 91 | 9 |
| 18 | 91 | 9 |
| 19 | 90 | 10 |
| 20 | 90 | 10 |
| 21 | 90 | 10 |
| 22 | 90 | 10 |
| 23 | 90 | 10 |
| 24 | 89 | 11 |
| 25 | 89 | 11 |
| 26 | 89 | 11 |
| 27 | 89 | 11 |
| 28 | 89 | 11 |
| 29 | 88 | 12 |
| 30 | 88 | 12 |
| 31 | 88 | 12 |
Chance of precipitation in August
Cascais gets around 4 mm of rain over 0.8 wet days in August. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 3% and peaks near 5% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 5 |
| Rain chance (%) | |
|---|---|
| 1 | 2 |
| 2 | 2 |
| 3 | 2 |
| 4 | 2 |
| 5 | 2 |
| 6 | 2 |
| 7 | 2 |
| 8 | 2 |
| 9 | 2 |
| 10 | 2 |
| 11 | 2 |
| 12 | 2 |
| 13 | 3 |
| 14 | 3 |
| 15 | 3 |
| 16 | 3 |
| 17 | 3 |
| 18 | 3 |
| 19 | 3 |
| 20 | 3 |
| 21 | 3 |
| 22 | 3 |
| 23 | 3 |
| 24 | 3 |
| 25 | 3 |
| 26 | 3 |
| 27 | 3 |
| 28 | 4 |
| 29 | 4 |
| 30 | 4 |
| 31 | 5 |
Humidity in August
Most of August feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, August lands in the humid band about 75% of days. Sticky, muggy-or-worse air turns up on roughly 11% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Comfortable (%) | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 16 | 16 | 16 |
| Humid (%) | 79 | 79 | 78 | 77 | 77 | 76 | 76 | 76 | 75 | 75 | 75 | 74 | 74 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 74 | 74 | 75 | 75 | 74 | 74 | 74 | 73 | 73 | 73 |
| Muggy (%) | 8 | 8 | 8 | 9 | 9 | 10 | 10 | 10 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
| Comfortable (%) | Humid (%) | Muggy (%) | |
|---|---|---|---|
| 1 | 13 | 79 | 8 |
| 2 | 13 | 79 | 8 |
| 3 | 14 | 78 | 8 |
| 4 | 14 | 77 | 9 |
| 5 | 14 | 77 | 9 |
| 6 | 14 | 76 | 10 |
| 7 | 14 | 76 | 10 |
| 8 | 14 | 76 | 10 |
| 9 | 14 | 75 | 11 |
| 10 | 14 | 75 | 11 |
| 11 | 14 | 75 | 11 |
| 12 | 14 | 74 | 12 |
| 13 | 14 | 74 | 12 |
| 14 | 13 | 75 | 12 |
| 15 | 13 | 75 | 12 |
| 16 | 13 | 75 | 12 |
| 17 | 13 | 75 | 12 |
| 18 | 13 | 75 | 12 |
| 19 | 13 | 75 | 12 |
| 20 | 13 | 75 | 12 |
| 21 | 13 | 75 | 12 |
| 22 | 14 | 74 | 12 |
| 23 | 14 | 74 | 12 |
| 24 | 14 | 75 | 11 |
| 25 | 14 | 75 | 11 |
| 26 | 15 | 74 | 11 |
| 27 | 15 | 74 | 11 |
| 28 | 15 | 74 | 11 |
| 29 | 16 | 73 | 11 |
| 30 | 16 | 73 | 11 |
| 31 | 16 | 73 | 11 |
Wind in August
Winds average 24 km/h in August.
Across August, daily wind ranges from about 22 km/h on the calmest days to 25 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 |
| Feels | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 25 | breezy |
| 2 | 25 | breezy |
| 3 | 25 | breezy |
| 4 | 25 | breezy |
| 5 | 25 | breezy |
| 6 | 25 | breezy |
| 7 | 25 | breezy |
| 8 | 25 | breezy |
| 9 | 24 | breezy |
| 10 | 24 | breezy |
| 11 | 24 | breezy |
| 12 | 24 | breezy |
| 13 | 24 | breezy |
| 14 | 24 | breezy |
| 15 | 24 | breezy |
| 16 | 24 | breezy |
| 17 | 24 | breezy |
| 18 | 23 | breezy |
| 19 | 23 | breezy |
| 20 | 23 | breezy |
| 21 | 23 | breezy |
| 22 | 23 | breezy |
| 23 | 23 | breezy |
| 24 | 23 | breezy |
| 25 | 23 | breezy |
| 26 | 23 | breezy |
| 27 | 22 | breezy |
| 28 | 22 | breezy |
| 29 | 22 | breezy |
| 30 | 22 | breezy |
| 31 | 22 | breezy |
Sunrise & sunset in August
Daylight runs from about 14 hours at the start of August to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 66 minutes over August. Sunrise moves from 5:43 AM to 6:10 AM, and sunset from 7:45 PM to 7:05 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 14.0 | 14.0 | 14.0 | 13.9 | 13.9 | 13.9 | 13.8 | 13.8 | 13.8 | 13.7 | 13.7 | 13.7 | 13.6 | 13.6 | 13.6 | 13.5 | 13.5 | 13.4 | 13.4 | 13.4 | 13.3 | 13.3 | 13.2 | 13.2 | 13.2 | 13.1 | 13.1 | 13.0 | 13.0 | 13.0 | 12.9 |
| Sunrise (AM) | 5:43 | 5:43 | 5:44 | 5:45 | 5:46 | 5:47 | 5:48 | 5:49 | 5:50 | 5:51 | 5:52 | 5:53 | 5:53 | 5:54 | 5:55 | 5:56 | 5:57 | 5:58 | 5:59 | 6:00 | 6:01 | 6:02 | 6:03 | 6:04 | 6:04 | 6:05 | 6:06 | 6:07 | 6:08 | 6:09 | 6:10 |
| Sunset (PM) | 7:45 | 7:44 | 7:43 | 7:42 | 7:41 | 7:40 | 7:39 | 7:37 | 7:36 | 7:35 | 7:34 | 7:33 | 7:31 | 7:30 | 7:29 | 7:27 | 7:26 | 7:25 | 7:23 | 7:22 | 7:20 | 7:19 | 7:18 | 7:16 | 7:15 | 7:13 | 7:12 | 7:10 | 7:09 | 7:07 | 7:05 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 14.0 | 5:43 | 7:45 |
| 2 | 14.0 | 5:43 | 7:44 |
| 3 | 14.0 | 5:44 | 7:43 |
| 4 | 13.9 | 5:45 | 7:42 |
| 5 | 13.9 | 5:46 | 7:41 |
| 6 | 13.9 | 5:47 | 7:40 |
| 7 | 13.8 | 5:48 | 7:39 |
| 8 | 13.8 | 5:49 | 7:37 |
| 9 | 13.8 | 5:50 | 7:36 |
| 10 | 13.7 | 5:51 | 7:35 |
| 11 | 13.7 | 5:52 | 7:34 |
| 12 | 13.7 | 5:53 | 7:33 |
| 13 | 13.6 | 5:53 | 7:31 |
| 14 | 13.6 | 5:54 | 7:30 |
| 15 | 13.6 | 5:55 | 7:29 |
| 16 | 13.5 | 5:56 | 7:27 |
| 17 | 13.5 | 5:57 | 7:26 |
| 18 | 13.4 | 5:58 | 7:25 |
| 19 | 13.4 | 5:59 | 7:23 |
| 20 | 13.4 | 6:00 | 7:22 |
| 21 | 13.3 | 6:01 | 7:20 |
| 22 | 13.3 | 6:02 | 7:19 |
| 23 | 13.2 | 6:03 | 7:18 |
| 24 | 13.2 | 6:04 | 7:16 |
| 25 | 13.2 | 6:04 | 7:15 |
| 26 | 13.1 | 6:05 | 7:13 |
| 27 | 13.1 | 6:06 | 7:12 |
| 28 | 13.0 | 6:07 | 7:10 |
| 29 | 13.0 | 6:08 | 7:09 |
| 30 | 13.0 | 6:09 | 7:07 |
| 31 | 12.9 | 6:10 | 7:05 |
Solar energy in August
Average shortwave solar energy reaching the ground each day in August, about 6.73 kWh/m².
For context, solar energy here swings from a low near 2.01 kWh/m² to a high of 7.51 kWh/m² in July across the year — August's 6.73 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 7.2 | 7.2 | 7.2 | 7.2 | 7.1 | 7.1 | 7.1 | 7.0 | 7.0 | 7.0 | 6.9 | 6.9 | 6.8 | 6.8 | 6.8 | 6.7 | 6.7 | 6.7 | 6.6 | 6.6 | 6.5 | 6.5 | 6.5 | 6.4 | 6.4 | 6.3 | 6.3 | 6.3 | 6.2 | 6.2 | 6.1 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 7.2 | Intense |
| 2 | 7.2 | Intense |
| 3 | 7.2 | Intense |
| 4 | 7.2 | Intense |
| 5 | 7.1 | Intense |
| 6 | 7.1 | Intense |
| 7 | 7.1 | Intense |
| 8 | 7.0 | Intense |
| 9 | 7.0 | Intense |
| 10 | 7.0 | Intense |
| 11 | 6.9 | Intense |
| 12 | 6.9 | Intense |
| 13 | 6.8 | Intense |
| 14 | 6.8 | Intense |
| 15 | 6.8 | Intense |
| 16 | 6.7 | Intense |
| 17 | 6.7 | Intense |
| 18 | 6.7 | Intense |
| 19 | 6.6 | Intense |
| 20 | 6.6 | Intense |
| 21 | 6.5 | Intense |
| 22 | 6.5 | Intense |
| 23 | 6.5 | Intense |
| 24 | 6.4 | Intense |
| 25 | 6.4 | Intense |
| 26 | 6.3 | Intense |
| 27 | 6.3 | Intense |
| 28 | 6.3 | Intense |
| 29 | 6.2 | Intense |
| 30 | 6.2 | Intense |
| 31 | 6.1 | Intense |
Hazard calendar for Cascais
None of Cascais's seasonal hazards are active in August. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Cascais's rainy season runs October–April, when most of the year's rain falls.
Is August a good time to visit Cascais?
Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
August is one of the better times to visit Cascais for general sightseeing.
What to pack for Cascais in August
From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In August, Cascais sees daytime highs around 19°C and nights near 18°C. Pack sun protection. Worth having: a windbreaker.
Sea temperature near Cascais in August
The nearest coast averages about 19°C in August — 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 19°C and coldest in February near 15°C.
The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 15 | 15 | 15 | 15 | 16 | 18 | 18 | 19 | 19 | 18 | 17 | 16 |
| Comfort | Cool | Bracing | Bracing | Cool | Cool | Cool | Cool | Cool | Cool | Cool | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 15 | Cool |
| Feb | 15 | Bracing |
| Mar | 15 | Bracing |
| Apr | 15 | Cool |
| May | 16 | Cool |
| Jun | 18 | Cool |
| Jul | 18 | Cool |
| Aug | 19 | Cool |
| Sep | 19 | Cool |
| Oct | 18 | Cool |
| Nov | 17 | Cool |
| Dec | 16 | Cool |
UV index in Cascais in August
Clear-sky midday UV in August peaks 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 Cascais peaks around July 15 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 | 6 | 8 | 7 | 9 | 9 | 9 | 6 | 5 | 3 | 2 |
| Level | Low | Moderate | High | Very high | Very high | Very high | Very high | Very high | High | High | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 6 | High |
| Apr | 8 | Very high |
| May | 7 | Very high |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 9 | Very high |
| Sep | 6 | High |
| Oct | 5 | High |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Where is Cascais?
Cascais sits at 38.7°N, 9.4°W, 20 m above sea level, in Portugal. The nearest listed city is Monte Estoril, 2.0 km away.
Topography around Cascais
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Cascais.
Within 3 km, the terrain around Cascais has only modest variations in elevation — a maximum elevation change of 119 m around an average of 27 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 513 m; within 80 km, large variations in elevation — a maximum elevation change of 651 m.
The land around Cascais is covered by water (50%) and artificial surfaces (29%) within 3 km, water (63%) within 16 km, and water (50%) and grassland (23%) 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 Cascais (38.6968°, -9.4215°, elevation 20 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).