Climate and monthly weather forecastPorto Belo, Brazil
Climate and monthly weather forecast
The best time to visit Porto Belo
The best months for a swim in Porto Belo, Brazil, are January through March, with a perfect temperature - varying between 25°C (77°F) and 29°C (84.2°F), and scarce rainfall.Weather in January
The ideal sea water temperature of 26°C (78.8°F) makes January in Porto Belo, Brazil, the best time for swimming and other water activities. January and February, with an average sea temperature of 26°C (78.8°F), are months with the warmest seawater. Note: Swimming, diving, and other water activities in the temperature range of 25°C (77°F) to 29°C (84.2°F) are perceived as very enjoyable and comfortable for prolonged durations. Weather in January »Weather in February
The ideal sea water temperature of 26°C (78.8°F) makes February in Porto Belo, Brazil, the best time for swimming and other water activities. The months with the warmest seawater are January and February, with an average sea temperature of 26°C (78.8°F). Note: For activities such as swimming and diving, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as particularly pleasant and satisfying for prolonged periods without feeling uneasy. Weather in February »Weather in March
The ideal sea water temperature of 25.8°C (78.4°F) makes March in Porto Belo, Brazil, the best time for swimming and other water activities. In Porto Belo, in March, the average water temperature is 25.8°C (78.4°F). Note: Water temperature ranging between 25°C (77°F) and 29°C (84.2°F) is considered very warm and pleasing for everyone. Weather in March »Weather in April
In Porto Belo, Brazil, the average seawater temperature in April is 24.7°C (76.5°F). Note: Given an individual's cold sensitivity, considering factors like sunshine, wind, and air temperature, a brief swim in 24.7°C (76.5°F) water might be pleasurable. Weather in April »Weather in May
In Porto Belo, Brazil, in May, the average water temperature is 22.3°C (72.1°F). Note: Individual preferences to cold, influenced by conditions such as sunshine, wind, and surrounding temperature, play a part in the comfort of swimming in 22.3°C (72.1°F) waters. Weather in May »Weather in June
In Porto Belo, Brazil, in June, the average water temperature is 21°C (69.8°F). Note: Swimming becomes less enjoyable for most at a surface water temperature of 21°C (69.8°F). Weather in June »Weather in July
The months with the coldest seawater in Porto Belo, Brazil, are July and August, with an average sea temperature of 18.6°C (65.5°F). Note: Swimming in 18.6°C (65.5°F) does not offer a pleasant experience for most individuals. Weather in July »Weather in August
July and August, with an average sea temperature of 18.6°C (65.5°F), are months with the coldest seawater in Porto Belo, Brazil. Note: Swimming in 18.6°C (65.5°F) is not a pleasurable activity for the majority of people. Weather in August »Weather in September
In Porto Belo, Brazil, in September, the average water temperature is 18.8°C (65.8°F). Note: For most individuals, swimming in 18.8°C (65.8°F) is not enjoyable. Weather in September »Weather in October
In Porto Belo, Brazil, in October, the average water temperature is 21.2°C (70.2°F). Note: Swimming in 21.2°C (70.2°F) is not pleasurable for most people. Weather in October »Weather in November
In Porto Belo, Brazil, the average seawater temperature in November is 22.4°C (72.3°F). Note: People sensitive to cold might find swimming in 22.4°C (72.3°F) challenging. Weather in November »Weather in December
In Porto Belo, Brazil, the average seawater temperature in December is 24.3°C (75.7°F). Note: Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 24.3°C (75.7°F) water may be enjoyable. Weather in December »Updated: Feb 2, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January and February, with an average sea temperature of 26°C (78.8°F), are months with the warmest seawater in Porto Belo.
The month with the shortest days in Porto Belo is June, with an average of 10h and 30min of daylight.
July and August, with an average sea temperature of 18.6°C (65.5°F), are months with the coldest seawater.
With an average of 13h and 48min of daylight, December has the longest days of the year.
Porto Belo does not utilize Daylight Saving Time (DST). -03 timezone is used throughout the entire year.
Average sea temperature
Porto Belo, Brazil
The best months for swimming (with the highest average sea temperature) are January and February (26°C).
The coldest months (with the lowest average sea temperature) are July and August (18.6°C).
Average daylight
Porto Belo, Brazil
- Average daylight in January:
13h and 36min - Average daylight in February:
13h and 0min - Average daylight in March:
12h and 12min - Average daylight in April:
11h and 24min - Average daylight in May:
10h and 48min - Average daylight in June:
10h and 30min
- Average daylight in July:
10h and 36min - Average daylight in August:
11h and 12min - Average daylight in September:
11h and 54min - Average daylight in October:
12h and 42min - Average daylight in November:
13h and 30min - Average daylight in December:
13h and 48min
The month with the longest days is December (Average daylight: 13h and 48min).
The month with the shortest days is June (Average daylight: 10h and 30min).





