Weather in Cascais for June 2025
Yellow Heat Warning - See hour by hour.
Until now, June 2025 in Cascais is slightly cooler than the historical average by -1.2 °C.
The forecast for the upcoming days in Cascais predicts a temperature of 22.6 °C, which is slightly above the historical average.
In general, the average temperature in Cascais at the beginning of June is 20.7 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 20.9 °C by the end of June.
Cascais experiences moderate rainfall in June, with an average of 7 rainy days and a total precipitation of 21.9 mm.
Is June a good time to visit Cascais? check out the best time to travel to Cascais page.
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Cascais Weather June
Temperatures trend during June in Cascais
June weather in Cascais day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jun. |  Patchy rain possible | 21° /16° | 0 mm | 6 | |
| 2 Jun. |  Heavy rain at times | 20° /16° | 0.5 mm | 5 | |
| 3 Jun. |  Moderate or heavy rain shower | 20° /16° | 0.7 mm | 5 | |
| 4 Jun. |  Sunny | 21° /16° | 0.1 mm | 5 | |
| 5 Jun. | Sunny | 21° /15° | 0 mm | 5 | |
| 6 Jun. |  Partly cloudy | 21° /16° | 0.4 mm | 5 | |
| 7 Jun. | Heavy rain at times | 21° /17° | 1.2 mm | 5 | |
| 8 Jun. | Moderate or heavy rain shower | 21° /16° | 3.7 mm | 5 | |
| 9 Jun. | Patchy rain possible | 21° /17° | 0.5 mm | 6 | |
| 10 Jun. | Patchy rain possible | 20° /16° | 0.3 mm | 4 | |
| 11 Jun. | Patchy rain possible | 20° /16° | 0.2 mm | 5 | |
| 12 Jun. | Patchy rain possible | 20° /16° | 0.2 mm | 5 | |
| 13 Jun. |  Overcast | 21° /16° | 0 mm | 5 | |
| 14 Jun. | Partly cloudy | 21° /16° | 0 mm | 5 | |
| 15 Jun. | Sunny | 21° /16° | 0 mm | 2.6 | |
| 16 Jun. | Sunny | 24° /17° | 0 mm | 2.6 | |
| 17 Jun. | Sunny | 24° /20° | 0.1 mm | 2.7 | |
| 18 Jun. | Patchy rain possible | 25° /19° | 0.2 mm | 1.8 | |
| 19 Jun. | Sunny | 26° /20° | 0 mm | 1.9 | |
| 20 Jun. | Sunny | 26° /21° | 0 mm | 6 | |
| 21 Jun. | Sunny | 23° /19° | 0 mm | 6 | |
| 22 Jun. | Sunny | 23° /19° | 0 mm | 6 | |
| 23 Jun. | Sunny | 22° /19° | 0 mm | 5 | |
| 24 Jun. | Sunny | 21° /18° | 0 mm | 5 | |
| 25 Jun. | Sunny | 20° /18° | 0 mm | 5 | |
| 26 Jun. | Sunny | 20° /18° | 0 mm | 5 | |
| 27 Jun. | Partly cloudy | 20° /17° | 0 mm | 5 | |
| 28 Jun. | Sunny | 21° /17° | 0 mm | 5 | |
| 29 Jun. | Sunny | 21° /17° | 0.3 mm | 5 | |
| 30 Jun. | Sunny | 23° /17° | 0.1 mm | 6 | |
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Cascais in June - FAQ
Cascais water temperatures in June
The average water temperature of the Atlantic Ocean near Cascais in June is 15.1 °C. Temperatures remain fairly consistent throughout the month.
- What is the water temperature in Cascais in June?
- The average water temperature in Cascais in June is 15.1 °C.
- Can you swim in Cascais in June?
- Brisk: quick dips and active swimming are fine, but pack a 2–3 mm spring suit if you plan longer sessions or early-morning outings.
What to pack to Cascais in June?
As you prepare for your trip to Cascais in June, 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 June, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Layered Clothing: Light sweaters, long-sleeve shirts, light jackets, and comfortable pants
- Rain Gear: Lightweight, waterproof clothing
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
June rainfall patterns in Cascais
UV exposure in Cascais during June
Quick links
Where is Cascais?Get accurate weather forecasts for Cascais, located at latitude 38.697 and longitude -9.421. Stay updated with localized weather information tailored for Cascais.