Cascais, Portugal: What to pack, what to wear, and when to go [2018]

Traveling to Cascais, Portugal? If you're planning to go to Cascais, here is some important information about when to go, what to wear, and what to pack:

When to go to Cascais, Portugal

Based on the climate and weather in Cascais, the best time to go is August. See below for details.

What to wear/what to pack for Cascais, Portugal by month

January

January in Cascais is cool and somewhat rainy. The average overnight temperatures in the area are in the high 40s F (single digits C).

It tends to rain about half of the time. But the colder weather doesn't bring low humidity, which is in the 70% to 80% range on average.

What to wear/what to pack:

  • Umbrella
  • Dresses
  • Waterproof footwear
  • Rain coat
  • Light jacket or fleece
  • Long skirts
  • Waterproof luggage
  • Socks
  • Pants or jeans
  • Long sleeve shirts or blouses
  • Standard footwear

February

February in Cascais can be chilly and somewhat rainy. The average overnight temperatures in the area are in the high 40s F (single digits C).

It tends to rain about half of the time. But the colder weather doesn't bring low humidity, which is in the 60% to 70% range on average.

What to wear/what to pack:

  • Pants or jeans
  • Dresses
  • Long skirts
  • Waterproof footwear
  • Socks
  • Umbrella
  • Light jacket or fleece
  • Waterproof luggage
  • Rain coat
  • Standard footwear
  • Long sleeve shirts or blouses

March

March in Cascais is chilly and somewhat rainy. The rain can amount to several inches/centimeters. During this time, temperatures average in the 50s F (low 10s C) to 60s F (high 10s C).

What to wear/what to pack:

  • Dresses
  • Socks
  • Long skirts
  • Standard footwear
  • Umbrella
  • Pants or jeans
  • Waterproof footwear
  • Long sleeve shirts or blouses
  • Waterproof luggage
  • Light jacket or fleece
  • Rain coat

April

If you vacation in Cascais during April, you are likely to find that it is balmy and somewhat rainy. Temperatures tend to hover around the high 60s F (high 10s C) during the day, while at night they can dip into the low 50s F (low 10s C).

Humidity is generally between 60 and 70% during the day. In terms of precipitation, you can expect it to rain about half of the time.

What to wear/what to pack:

  • Light jacket or fleece
  • Socks
  • Dresses
  • Rain coat
  • Standard footwear
  • Waterproof luggage
  • Long sleeve shirts or blouses
  • Long skirts
  • Pants or jeans
  • Umbrella
  • Waterproof footwear

May

May for Cascais is balmy and somewhat rainy. Temperatures average in the low 70s F (low 20s C) during the day. It rains about half of the time.

What to wear/what to pack:

  • Umbrella
  • Shorts or short pants
  • Light footwear
  • Long and short sleeve shirts
  • Skirts
  • Waterproof footwear
  • If you're going to the beach, bathing suits, swimwear
  • Dresses
  • Rain coat
  • Waterproof luggage
  • Sandals
  • Sunscreen lotion

June

If you vacation in Cascais during June, you are likely to find that it is warm and dry with little rain. Temperatures tend to hover around the high 70s F (mid 20s C) during the day, while at night they can dip into the low 60s F (mid 10s C).

Humidity is generally between 50 and 60% during the day. In terms of precipitation, you can expect it to rain about a third of the time.

What to wear/what to pack:

  • Waterproof luggage
  • Sunscreen lotion
  • Sandals
  • Rain coat
  • Long and short sleeve shirts
  • Shorts or short pants
  • Umbrella
  • Light footwear
  • If you're going to the beach, bathing suits, swimwear
  • Dresses
  • Waterproof footwear
  • Skirts

July

July here is extremely warm and very dry with almost no rain. Temperatures average in the low 80s F (high 20s C) during the day. It rains sometimes.

What to wear/what to pack:

  • If you're going to the beach, bathing suits, swimwear
  • Umbrella
  • Shorts or short pants
  • Rain coat
  • Long and short sleeve shirts
  • Light footwear
  • Waterproof luggage
  • Waterproof footwear
  • Dresses
  • Sandals
  • Skirts
  • Sunscreen lotion

August

If you vacation in Cascais during August, you are likely to find that it is pretty consistently hot and dry with little rain. Temperatures tend to hover around the low 80s F (high 20s C) during the day, while at night they can dip into the 60s F (high 10s C).

Humidity is generally between 40 and 50% during the day. In terms of precipitation, you can expect it to rain occasionally.

What to wear/what to pack:

  • Sandals
  • Waterproof footwear
  • Waterproof luggage
  • Umbrella
  • Shorts or short pants
  • Sunscreen lotion
  • Skirts
  • Rain coat
  • Dresses
  • Long and short sleeve shirts
  • Light footwear
  • If you're going to the beach, bathing suits, swimwear

September

Traveling to Cascais in September, you will notice that it is a perfect temperature. Expect it to rain 5-10 days this month. Daytime temperatures are in the high 70s F (mid 20s C).

What to wear/what to pack:

  • Light footwear
  • Shorts or short pants
  • Long and short sleeve shirts
  • Umbrella
  • If you're going to the beach, bathing suits, swimwear
  • Sandals
  • Skirts
  • Waterproof footwear
  • Sunscreen lotion
  • Waterproof luggage
  • Rain coat
  • Dresses

October

If you go to Cascais in October, you will notice that it is balmy and somewhat rainy. Expect it to rain about half of the time. Daytime temperatures are in the low 70s F (low 20s C).

What to wear/what to pack:

  • Waterproof luggage
  • Shorts or short pants
  • Sunscreen lotion
  • Dresses
  • Skirts
  • Waterproof footwear
  • Rain coat
  • Long and short sleeve shirts
  • Sandals
  • Umbrella
  • If you're going to the beach, bathing suits, swimwear
  • Light footwear

November

If you are traveling to Cascais in November, you will notice that it is chilly and somewhat rainy. Expect it to rain about half of the time. Daytime temperatures are in the 60s F (high 10s C).

What to wear/what to pack:

  • Waterproof footwear
  • Long skirts
  • Standard footwear
  • Umbrella
  • Pants or jeans
  • Dresses
  • Socks
  • Long sleeve shirts or blouses
  • Light jacket or fleece
  • Rain coat
  • Waterproof luggage

December

If you visit Cascais during December, you are likely to find that it is cool and very rainy. Temperatures tend to hover around the high 50s F (mid 10s C) during the day, while at night they can dip into the high 40s F (single digits C).

Humidity is generally between 70 and 80% during the day. In terms of precipitation, you can expect it to rain about half of the time.

What to wear/what to pack:

  • Socks
  • Light jacket or fleece
  • Waterproof footwear
  • Dresses
  • Rain coat
  • Standard footwear
  • Umbrella
  • Pants or jeans
  • Waterproof luggage
  • Long sleeve shirts or blouses
  • Long skirts

Year-round what to wear/what to pack for Cascais, Portugal

Here are some general tips on what to wear in Cascais, as well as several items to remember to pack when traveling there.

  • A plug adadpter that supports outlet types C and F
  • A SIM card that works in Cascais
  • Appropriate museum wear
  • Bicycle friendly attire, if you plan on biking anywhere

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