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Weather in Cascais for May 2025

Your guide to Cascais weather in May - trends and predictions

    Official Weather Alert ⚠️

  • Yellow Precipitation Warning - See hour by hour.

    • Temperatures

  • The forecast for the next days in Cascais predicts temperatures to be around 18 °C, close to the historical average.

  • In general, the average temperature in Cascais at the beginning of May is 17.7 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 19.7 °C by the end of May.

    • Rain 🌧️

  • With an average of 2 rainy days, Cascais experiences minimal rainfall in May.

    • More

  • Is May a good time to visit Cascais? check out the best time to travel to Cascais page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
29
Dry days
Average rainy days
2
Rainy days
Average snowy days
0
Snow days
Average temperatures
19°/15°
Temperatures
Average wind speed
27 km/h
Avg max wind
Average humidity
73 %
Avg humidity

Cascais Weather May

Move between months or click on a day
April
June
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Weather Alert Patchy rain possible
19°
2
Weather Alert Moderate rain
18°
3
Moderate rain
17°
4
Patchy rain possible
17°
5
Patchy rain possible
17°
6
Sunny
18°
7
Sunny
18°
8
Sunny
19°
9
Sunny
19°
10
Sunny
18°
11
Sunny
17°
12
Sunny
18°
13
Sunny
19°
14
Partly cloudy
17°
15
Partly cloudy
19°
16
Sunny
19°
17
Sunny
20°
18
Sunny
20°
19
Sunny
19°
20
Overcast
19°
21
Moderate rain at times
19°
22
Moderate rain at times
18°
23
Moderate rain at times
20°
24
Moderate rain at times
20°
25
Patchy rain possible
20°
26
Partly cloudy
19°
27
Patchy rain possible
18°
28
Partly cloudy
19°
29
Sunny
20°
30
Cloudy
20°
31
Sunny
22°
Select a date

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Access Cascais weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
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Temperatures trend during May in Cascais

See the weather trend as well as the moving average line

May weather day by day

Click on a date for more information
April June
Date Weather Temperatures Rain UV More
1 May Patchy rain possible
Patchy rain possible
 19° /13° 2.2 mm 1.9
2 May Moderate rain
Moderate rain
 18° /14° 14.5 mm 1.7
3 May Moderate rain
Moderate rain
 17° /15° 7.9 mm 1.8
4 May Patchy rain possible
Patchy rain possible
 17° /14° 0.3 mm 2.1
5 May Patchy rain possible
Patchy rain possible
 17° /14° 0.1 mm 1.7
6 May Sunny
Sunny
 18° /14° 0 mm 5
7 May Sunny
Sunny
 18° /13° 0 mm 5
8 May Sunny
Sunny
 19° /14° 0 mm 5
9 May Sunny
Sunny
 19° /14° 0 mm 5
10 May Sunny
Sunny
 18° /15° 0 mm 5
11 May Sunny
Sunny
 17° /15° 0 mm 5
12 May Sunny
Sunny
 18° /14° 0 mm 5
13 May Sunny
Sunny
 19° /14° 0 mm 5
14 May Partly cloudy
Partly cloudy
 17° /15° 0 mm 5
15 May Partly cloudy
Partly cloudy
 19° /14° 0.3 mm 5
16 May Sunny
Sunny
 19° /14° 0.6 mm 5
17 May Sunny
Sunny
 20° /14° 0.4 mm 5
18 May Sunny
Sunny
 20° /14° 0.1 mm 5
19 May Sunny
Sunny
 19° /14° 0.3 mm 5
20 May Overcast
Overcast
 19° /14° 0.1 mm 5
21 May Moderate rain at times
Moderate rain at times
 19° /14° 0.6 mm 5
22 May Moderate rain at times
Moderate rain at times
 18° /14° 1 mm 4
23 May Moderate rain at times
Moderate rain at times
 20° /14° 0.5 mm 5
24 May Moderate rain at times
Moderate rain at times
 20° /15° 0.7 mm 5
25 May Patchy rain possible
Patchy rain possible
 20° /14° 0.1 mm 5
26 May Partly cloudy
Partly cloudy
 19° /15° 0 mm 6
27 May Patchy rain possible
Patchy rain possible
 18° /15° 0.2 mm 5
28 May Partly cloudy
Partly cloudy
 19° /15° 0 mm 5
29 May Sunny
Sunny
 20° /15° 0 mm 6
30 May Cloudy
Cloudy
 20° /15° 0 mm 5
31 May Sunny
Sunny
 22° /15° 0 mm 6
Next
Important Notice
Our weather forecast for Cascais in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Cascais forecast closer to your planned date for the most up-to-date weather information.

Cascais in May - FAQ

What are the expected maximum and minimum temperatures in Cascais during May?
During May, expect a variety of temperatures with highs around 19° and lows near 15°, suitable for diverse activities and preferences.
How much rainfall should be expected in Cascais during May?
Rainfall in Cascais during May is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 2 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
What are the typical wind conditions in Cascais during May?
The average wind speed in Cascais during May is 27 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Cascais in May?

As you prepare for your trip to Cascais in May, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Cascais, during May, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Layered Clothing: Light sweaters, long-sleeve shirts, light jackets, and comfortable pants

May rainfall patterns in Cascais

Explore the daily rainfall trends and prepare for Cascaiss May weather 💧

UV exposure in Cascais during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️

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Get accurate weather forecasts for Cascais, located at latitude 38.697 and longitude -9.421. Stay updated with localized weather information tailored for Cascais.

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