Day
14 °C
Night
6 °C
Sea
14 °C
Precipitation
153 mm
in month
Rainy days
13 days
in month
Daylight
9 hours
average
Sunshine
4 hours
average
Humidity
81 %
We make the most from 40 years of historical weather data to predict the best weather conditions.
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.
We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.
Porto (Portugal) in general has a hot climate. The day temperatures range from 14 °C (57 °F) in January to 26 °C (78 °F) in August. Sea temperatures are in the following range: 13 °C (56 °F) in February to 17 °C (63 °F) in August. Temperatures during the night go from 6 °C (42 °F) in January to 16 °C (61 °F) in July. The least rainy month in Porto is July with its 3 days of rain, the rainiest month is November, when it rains 13 days.
The day temperature is on its minimum, its value is 14 °C (57 °F) in Porto, while the sea temperature descents similarly to the previous month, with its value of 14 °C (56 °F). The rainfall amount descent's start could be observed, its value is 153 mm (6.03 in). The night temperature reaches its minimum in January. The minimum of the number of sun hours (without clouds) can be noticed, with its value being 4 hours. The humidity reaches its maximum, its value is 81 %.
The day temperature starts to rise, its value is 15 °C (59 °F) in Porto, while the minimum of the sea temperature is observable, with its value of 13 °C (56 °F). The rainfall amount continues to descent, while the number of rainy days starts to descent, its value is 12 days. The number of sun hours (without clouds) rise's start could be observed, the value of this measure is 5 hours.
The rise of the day temperature can be observed, the value of this measure is 17 °C (63 °F) in Porto, while the night temperature starts to rise, with its value being 8 °C (47 °F). The number of rainy days continues to descent, with its value of 10 days, and the rainfall amount continues to descent too, with its value being 118 mm (4.64 in). The number of sun hours (without clouds) rises similarly to the previous month, its value is 6 hours. The maximum of the wind speed can be noticed in this month.
The day temperature rises similarly to the previous month, with its value being 18 °C (65 °F) in Porto, while the beginning of the rise of the sea temperature could be noticed. The number of rainy days starts to rise, with its value of 12 days, while the descent of the rainfall amount can be observed, the value of this measure is 107 mm (4.21 in). The rise of the night temperature can be observed. The number of sun hours (without clouds) rises similarly to the previous month, with its value being 7 hours.
The sea temperature rises similarly to the previous month, with its value of 15 °C (59 °F) in Porto, and the rise of the day temperature can be observed as well, the value of this measure is 20 °C (68 °F). The rainfall amount continues to descent, its value is 83 mm (3.29 in), while the number of rainy days descent's start could be observed, its value is 10 days. The night temperature rises similarly to the previous month, with its value of 12 °C (54 °F). The rise of the number of sun hours (without clouds) can be observed, with its value being 8 hours.
The day temperature continues to rise, its value is 23 °C (74 °F) in Porto, and the sea temperature continues to rise as well, its value is 17 °C (62 °F). The number of rainy days continues to descent, with its value being 6 days, and the rainfall amount descents similarly to the previous month too, its value is 45 mm (1.77 in). The rise of the number of sun hours (without clouds) can be observed, with its value being 9 hours. The maximum of the day length is observable, with its value of 15 hours.
The tourist season slowly starts in Porto. The day temperature continues to rise, its value is 25 °C (78 °F), and the sea temperature continues to rise too, with its value of 17 °C (63 °F). The number of rainy days reaches its minimum, with its value of 3 days, and the minimum of the rainfall amount can be noticed too in July. The night temperature is on its maximum, its value is 16 °C (61 °F). The number of sun hours (without clouds) is on its maximum, the value of this measure is 10 hours.
There is pending tourist season in Porto. The maximum of the day temperature is observable, and the sea temperature is on its maximum too, with its value of 17 °C (63 °F). The beginning of the rise of the rainfall amount could be noticed, its value is 22 mm (0.85 in). The number of sun hours (without clouds) descent's start could be observed, with its value being 10 hours. The humidity is on its minimum, the value of this measure is 72 %.
The tourist season is close to its peak in Porto. The day temperature starts to descent, with its value of 24 °C (75 °F). The rise of the rainfall amount can be observed, with its value of 61 mm (2.40 in), while the number of rainy days starts to rise in this month. The number of sun hours (without clouds) descents similarly to the previous month, with its value being 7 hours. The wind speed reaches its minimum, with its value being 2.
The day temperature continues to descent, its value is 21 °C (69 °F) in Porto, while the sea temperature descent's start could be observed, with its value being 17 °C (62 °F). The number of rainy days rises similarly to the previous month, the value of this measure is 12 days, and the rainfall amount continues to rise too, the value of this measure is 158 mm (6.22 in). The night temperature descents similarly to the previous month, with its value of 12 °C (53 °F). The number of sun hours (without clouds) descents similarly to the previous month, with its value being 6 hours.
The sea temperature descents similarly to the previous month, with its value being 16 °C (60 °F) in Porto, and the day temperature continues to descent too, its value is 17 °C (62 °F). The rainfall amount starts to descent, with its value being 150 mm (5.91 in), while the number of rainy days reaches its maximum in this month. The night temperature descents similarly to the previous month, its value is 9 °C (48 °F). The number of sun hours (without clouds) descents similarly to the previous month, its value is 5 hours.
The day temperature continues to descent, its value is 14 °C (58 °F) in Porto, and the sea temperature descents similarly to the previous month too, its value is 14 °C (58 °F). The beginning of the descent of the number of rainy days could be noticed, with its value of 13 days, while the maximum of the rainfall amount can be noticed, with its value being 168 mm (6.61 in). The descent of the night temperature can be observed, its value is 7 °C (44 °F). The number of sun hours (without clouds) continues to descent, its value is 4 hours.
In January in Porto, there will be an average wind scale of 3. It is rather a milder or unnoticeable wind, therefore it will not bother you during your holiday.
In February in Porto, expect humidity around 79 %.
In March in Porto, you can expect around 6 hours of sunshine.
The average night temperature in April in Porto is 9 °C (49 °F). The nights will be cool, layers of clothes will be needed for evening and morning walks, the hotel should be equipped with heating.
In May in Porto, we can expect 10 days to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 2.2 days of the week, or in general - 32 % days.
In Porto in June, there are ideal conditions for a vacation. Especially for non-beach activities, such as hiking or sightseeing. The temperature during the day will be nice 23 °C (74 °F). You can expect just 6 days of rain during the month, taking an umbrella is not necessary. The temperature of 15 °C (58 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.
In July in Porto, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.
The average daily temperature in Porto in August is 26 °C (78 °F). The ideal temperature for enjoying sunbathing by the water and a good temperature for other activities. For some people, it will be too hot in the direct sunlight and the stay may not be so pleasant. Don't forget to pack flip-flops, sunscreen, and a hand fan if necessary - it may come in handy.
The temperature of the sea in Porto in September is 17 °C (63 °F). At this sea temperature, swimming probably won't be the best experience. You probably won't like to stay in water for a long time. On the other hand, there are a minority of people who seek these conditions.
No, there is no wet season in October in Porto - you can expect 12 days of rain during the month.
No, November is not a dry month in Porto, expect rain approximately 13 days in a month.