Question 1

What is the weather like in Cascais in January?

Accepted Answer

Daytime highs around 14°C, nights near 10°C. January is the coldest month of the year. Expect about 12 rain days and 8 hours of sunshine per day. The sea is cold at 15°C — not swimming weather.

Question 2

What is the weather like in Cascais in February?

Accepted Answer

Daytime highs around 15°C, nights near 10°C. Expect about 10 rain days and 9 hours of sunshine per day. The sea is cold at 15°C — not swimming weather.

Question 3

What is the weather like in Cascais in March?

Accepted Answer

Daytime highs around 16°C, nights near 11°C. Expect about 10 rain days and 10 hours of sunshine per day. The sea is cold at 15°C — not swimming weather.

Question 4

What is the weather like in Cascais in April?

Accepted Answer

Daytime highs around 17°C, nights near 13°C. Expect about 13 rain days and 11 hours of sunshine per day. The sea is cold at 15°C — not swimming weather.

Question 5

What is the weather like in Cascais in May?

Accepted Answer

Daytime highs around 19°C, nights near 14°C. Expect about 8 rain days and 12 hours of sunshine per day. The sea is cold at 16°C — not swimming weather.

Question 6

What is the weather like in Cascais in June?

Accepted Answer

Daytime highs around 21°C, nights near 17°C. No month gets more sunshine. Expect about 8 rain days and 13 hours of sunshine per day. The sea is cold at 18°C — not swimming weather.

Question 7

What is the weather like in Cascais in July?

Accepted Answer

Daytime highs around 22°C, nights near 18°C. Expect about 5 rain days and 13 hours of sunshine per day. The sea is on the fresh side at 18°C.

Question 8

What is the weather like in Cascais in August?

Accepted Answer

Daytime highs around 23°C, nights near 18°C. August is the warmest month of the year. It is also the driest month of the year. Expect about 3 rain days and 12 hours of sunshine per day. The sea is on the fresh side at 19°C.

Question 9

What is the weather like in Cascais in September?

Accepted Answer

Daytime highs around 22°C, nights near 18°C. The sea is at its warmest now. Expect about 6 rain days and 11 hours of sunshine per day. The sea is on the fresh side at 19°C.

Question 10

What is the weather like in Cascais in October?

Accepted Answer

Daytime highs around 20°C, nights near 16°C. Expect about 10 rain days and 9 hours of sunshine per day. The sea is on the fresh side at 18°C.

Question 11

What is the weather like in Cascais in November?

Accepted Answer

Daytime highs around 17°C, nights near 13°C. It is the rainiest month of the year. Expect about 15 rain days and 7 hours of sunshine per day. The sea is cold at 17°C — not swimming weather.

Question 12

What is the weather like in Cascais in December?

Accepted Answer

Daytime highs around 15°C, nights near 11°C. Expect about 12 rain days and 7 hours of sunshine per day. The sea is cold at 16°C — not swimming weather.

Cascais: weather and best time to visit

Best time to visit

Things to do in Cascais

Cascais climate, month by month

Every month in detail

Cascais in January

Cascais in February

Cascais in March

Cascais in April

Cascais in May

Cascais in June

Cascais in July

Cascais in August

Cascais in September

Cascais in October

Cascais in November

Cascais in December

Related destinations

Month	Day °C	Night °C	Sea °C	Rain d	Sun h	Beach	City	Hiking
Jan	14°	10°	15°	12	8	35	47	69
Feb	15°	10°	15°	10	9	42	55	76
Mar	16°	11°	15°	10	10	44	62	77
Apr	17°	13°	15°	13	11	40	59	71
May	19°	14°	16°	8	12	49	75	80
Jun	21°	17°	18°	8	13	54	80	80
Jul	22°	18°	18°	5	13	60	85	85
Aug	23°	18°	19°	3	12	66	91	89
Sep	22°	18°	19°	6	11	62	86	85
Oct	20°	16°	18°	10	9	51	77	77
Nov	17°	13°	17°	15	7	30	50	62
Dec	15°	11°	16°	12	7	33	48	68