Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average sea temperature in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
April
Weather in April
Temperature
São Sebastião records an average high-temperature of a still moderately hot 76.5°F in April, maintaining a close correlation with March's 78.4°F. Nights in April showcase an average temperature of 70.2°F, slightly cooler than the daytime.Humidity
In São Sebastião, the average relative humidity in April is 82%.Rainfall
In São Sebastião, in April, it is raining for 17.8 days, with typically 2.05" of accumulated precipitation. In São Sebastião, during the entire year, the rain falls for 210.2 days and collects up to 32.2" of precipitation.Sea temperature
In São Sebastião, the average seawater temperature in April is 79.2°F.Note: For any water activity, surface water temperatures between 77°F and 84.2°F are considered as excellent and extremely pleasant for lengthened periods.
Daylight
In April, the average length of the day is 11h and 32min.On the first day of April, sunrise is at 06:10 and sunset at 18:00. On the last day of the month, sunrise is at 06:22 and sunset at 17:35 -03.
Sunshine
The average sunshine in April in São Sebastião is 7.9h.UV index
April, May, July through September, with an average maximum UV index of 5, are months with the lowest UV index in São Sebastião. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 5 in April converts into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Stay cautious! Sand and water reflections increase UV radiation potency.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April in São Sebastião?
What is the average humidity in April in São Sebastião?
How much does it rain in São Sebastião in April?
How warm is the water in April in São Sebastião?
How many hours of daylight does São Sebastião have in April?
When are sunrise and sunset in April in São Sebastião?
How long on average sun shines in April in São Sebastião?
What are the months with the lowest UV index in São Sebastião?
What is the UV index reading in April in São Sebastião?
Average temperature in April
São Sebastião, Brazil
- Average high temperature in April: 76.5°F
The warmest month (with the highest average high temperature) is February (80.6°F).
The months with the lowest average high temperature are July and August (71.1°F).
- Average low temperature in April: 70.2°F
The month with the highest average low temperature is February (73.9°F).
The coldest months (with the lowest average low temperature) are July and August (64°F).
Average pressure in April
São Sebastião, Brazil
- Average pressure in April: 30"Hg
The month with the highest atmospheric pressure is July (30.12"Hg).
The month with the lowest atmospheric pressure is December (29.88"Hg).
Average wind speed in April
São Sebastião, Brazil
- Average wind speed in April: 7.4mph
The windiest months (with the highest average wind speed) are August and September (8.6mph).
The calmest months (with the lowest average wind speed) are January and February (7mph).
Average humidity in April
São Sebastião, Brazil
- Average humidity in April: 82%
The month with the highest relative humidity is November (86%).
The month with the lowest relative humidity is August (80%).
Average rainfall in April
São Sebastião, Brazil
- Average rainfall in April: 2.05"
The wettest month (with the highest rainfall) is February (5.24").
The driest month (with the least rainfall) is August (1.46").
Average rainfall days in April
São Sebastião, Brazil
- Average rainfall days in April: 17.8 days
The month with the highest number of rainy days is January (24.1 days).
The month with the least rainy days is August (10.8 days).
Average sea temperature in April
São Sebastião, Brazil
- Average sea temperature in April: 79.1°F
The best months for swimming (with the highest average sea temperature) are February and March (79.6°F).
The coldest month (with the lowest average sea temperature) is September (70.2°F).
Average daylight in April /
Average sunshine in April
São Sebastião, Brazil
- Average daylight in April: 11h and 3min
The month with the longest days is December (Average daylight: 13h and 36min).
The month with the shortest days is June (Average daylight: 10h and 42min).
- Average sunshine in April: 7h and 5min
The months with the most sunshine are February and May (Average sunshine: 8h and 6min).
The months with the least sunshine are October and November (Average sunshine: 7h and 0min).
Average sunshine days in April
São Sebastião, Brazil
- Average sunshine days in April: 8.5 days
The month with the most sunshine days is August (17.4 days).
The month with the least sunshine days is January (4.5 days).
Average UV index in April
São Sebastião, Brazil
- Average UV index in April: 5
The month with the highest UV index is January (UV index 7).
The months with the lowest UV index are April, May, July, August and September (UV index 5).
Average cloud cover in April
São Sebastião, Brazil
- Average cloud cover in April: 38
The month with the most cloud cover is November (Cloud cover 49).
The months with the least cloud cover are June, July and August (Cloud cover 34).
Average visibility in April
São Sebastião, Brazil
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
