Temperatures in April
It's cool to moderate in April in São Sebastião with an average temperature of 18°C. Temperatures this month range from a low of 17°C to a high of 20°C. At night, you can expect temperatures between 13°C and 15°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for São Sebastião in April. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of April
The month of April starts in São Sebastião with mild temperatures, averaging around 18°C during the day and nights close to 14°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Mid-April
By mid-April, the average daytime temperature stays the same at 18°C, with nights close to 14°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
End of April
By the end of April, the average daytime temperature in São Sebastião will be around 19°C, with nights close to 15°C. A shower might show up, but overall the weather will be dry and sunny.
Discover cheap trips to São Sebastião 
Precipitation in April
In April, there is an average of 65 mm of precipitation, spread over 10 days. The wind speed is around 4 Bft, mostly coming from the Southwest.
The average precipitation chance is 32% per day this month. Though it seems pretty low, the weather’s variable. Some days have higher and others lower precipitation chances, which lowers the average.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in April for São Sebastião. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
São Sebastião in April |
London | ||
|---|---|---|---|
 Average Temperature |
18°C | 15°C | |
 High Temp |
20°C | 18°C | |
| Low Temp |
17°C | 12°C | |
 Total Precipitation |
65 mm | 29 mm | |
| Rainy Days |
10 days | 7 days | |
March
UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is April a good time to visit São Sebastião?
Want nice weather? Then April is a great time to be in São Sebastião. You’ll have pleasant temperatures and not too much rain this month.
Temperature records for São Sebastião in April
With 24°C, São Sebastião hit the highest temperature in the last 10 years in April 2023. The lowest daytime temperature in this month was 13°C in 2018. The extreme night temperatures ranged from a low of 7°C to a high of 19°C.
Check out the climate of São Sebastião for all months and discover the best travel time
Plan your next holiday
Don’t miss the best holiday deals for São Sebastião and see what our partners have for you.
Daily Temperature in April in São Sebastião
This chart shows the average daily temperatures, both day and night, for each day in April in São Sebastião, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in April in São Sebastião
The chart below shows the average daily precipitation in April for São Sebastião, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for April, you can expect around 10 days of rain in São Sebastião.
Daily UV Index in April in São Sebastião
This chart shows the average daily UV index in April in São Sebastião, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in April in São Sebastião Over the Years
This chart shows the average temperature in April in São Sebastião, measured in degrees Celsius, over the past years.
Total Precipitation in April in São Sebastião Over the Years
This chart shows the average precipitation in April in São Sebastião, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in April for São Sebastião
Click on a specific day in April for detailed info on the typical weather on that day in São Sebastião. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in April in São Sebastião
Have you been to São Sebastião in April?
Share your weather experience in April in São Sebastião.
Average Weather in São Sebastião by Month
Click on a month below to see detailed weather info for São Sebastião. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of São Sebastião for all months at once
