Cascais Lisbon, Portugal Travel Guide
Summer (June - August): These months bring warm and dry weather, ideal for beach activities and water sports. Average daytime temperatures range from 20-28°C (68-82°F), often peaking above 30°C (86°F) on the hottest days. Humidity stays low, making the heat bearable. Precipitation is minimal, with many clear, sunny days. Ocean water is at its warmest. Evenings stay pleasant, though Atlantic breezes suggest a light jacket.
Autumn (September - November): Cascais enjoys a mild and pleasant period. Temperatures average 15-22°C (59-72°F). September often resembles an extension of summer. Rainfall gradually rises, especially in November, which marks the start of the wetter season. This period presents appeal for sightseeing and outdoor activities like hiking and cycling, as the intense summer heat lessens.
Heatwaves occasionally appear in July and August, pushing temperatures above average. During these times, staying hydrated and seeking shade during midday hours matters greatly.
If planning to visit the Sintra-Cascais Natural Park, stay informed about local warnings regarding dry conditions and wildfire risk. Always pack a light layer for evenings.
Peak tourist period
Warmest weather ideal for beaches and water sports. The town buzzes with activity, all attractions and seasonal businesses operating fully. Many outdoor events and festivals occur.
Crowds at their largest, leading to higher prices for accommodations and flights. Popular beaches and attractions see heavy use.
Balance of weather & crowd levels
Pleasant weather suitable for outdoor activities like hiking and sightseeing. Fewer crowds compared to high season. Moderate prices for flights and accommodation. Many cultural events occur.
Ocean water remains cool for swimming. A higher chance of rain, especially in late autumn. Some seasonal beach facilities may not fully operate.
Quieter and more affordable
Fewest crowds offer a quieter, more authentic local experience. Prices are at their lowest for accommodation and flights. Suitable for cultural exploration and museum visits.
Cooler temperatures and a higher chance of rain mean fewer beach days. Some seasonal businesses may be closed. Daylight hours are shorter.
The period from June to September has the best conditions, with warm water and ample sunshine.
April, May, September, and October present pleasant temperatures and less crowded trails for exploring the natural park.
Cascais and Lisbon's cultural sites are enjoyable any time of year.
April-May and September-October offer a comfortable balance of good weather and moderate crowds, making exploration more pleasant.
The low season offers a quieter atmosphere if you prefer cultural visits over outdoor activities.
Shoulder seasons often provide the most well-rounded Cascais experience.
Portugal is a member of the Schengen Area, which simplifies travel within many European countries.
Citizens of many non-EU/EEA/Switzerland countries may need a Schengen visa for short tourist or business stays (up to 90 days in any 180-day period).
Citizens of the US, Canada, Australia, NZ, UK, and many others do not need a visa for stays up to 90 days. Basic entry conditions still apply.
Portugal uses the Euro (€), rendering currency exchange straightforward for many international travelers. This table shows estimated daily costs per person (excluding international flights).
| Travel Style | Accommodation (€) | Meals (€) |
|---|---|---|
| Budget | 25-50 (Hostel dorm/basic guesthouse) | 20-35 (Street food, budget restaurants, groceries) |
| Mid-range | 80-150 (3-4 star hotel/boutique B&B) | 40-70 (Mid-range restaurants, occasional splurge) |
| Luxury | 200+ (5-star hotel/luxury villa) | 80+ (Fine dining, gourmet experiences) |
Portugal has as a safe country, but like any travel destination, it calls for common sense precautions.
No specific vaccinations are necessary for entry for most international travelers.
Portugal experiences a high UV index. Use High-SPF sunscreen, a Wide-brimmed hat, and sunglasses. Seek shade during peak sun hours.
The warm climate heightens dehydration risk. Drink plenty of water and carry a reusable water bottle.
Food and water standards are generally high in Portugal.
Minor stomach upsets occur from diet changes. Practice good hand hygiene, seek busy restaurants. Carry Anti-diarrhea medication. Mosquitoes appear in warmer months. Use insect repellent, especially at dusk and dawn.
Tap water in Cascais is generally safe to drink and meets EU standards. A Reusable water bottle with a filter is a sustainable choice.
Food hygiene standards in Portugal are high; busy eateries suggest fresh food. Enjoy local market food with good personal hygiene.
Dial 112 for all emergencies (police, fire, ambulance) throughout Portugal.
Identified by a large green cross, pharmacists offer advice for minor ailments and over-the-counter medications. Many speak English.
Hospital de Cascais Dr. José de Almeida (public) and several private clinics are available. EHIC for EU/EEA citizens; comprehensive travel insurance is strongly recommended for others.
Cascais is a very safe destination with low violent crime rates. However, petty crime remains a concern, especially in crowded tourist areas.
Comprehensive travel insurance stands highly recommended for all travelers.
Should cover medical emergencies, emergency medical evacuation, trip cancellation/interruption, baggage loss/delay. Confirm coverage for planned activities.
Report to local police immediately for a police report. Contact your country's embassy or consulate in Lisbon as soon as possible.
General Emergency: 112. U.S. Embassy Lisbon: +351 21 727 3300. UK Embassy Lisbon: +351 21 392 4000. Canadian Embassy Lisbon: +351 21 316 4300. Keep these numbers separate from your wallet.
