April weather forecast
Santos, Brazil

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Weather in April

April marks the beginning of the pleasant autumn season in Santos and displays a noticeable shift in weather conditions. Key features of this month include the lowest rainfall recorded within the first quarter, reaching only 49mm (1.93"). Cooler temperatures, decreased visibility, and a continuous reduction in daylight hours define this period. The amenability of the April weather lends itself wonderfully to outdoor activities, without the severe summer heat.

Temperature

In April, Santos experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 26.8°C (80.2°F) in March to a still moderately hot 25.3°C (77.5°F). The nights of April in Santos are characterized by an average low-temperature of 21.1°C (70°F), subtly descending from daytime highs.

Humidity

The average relative humidity in April in Santos is 81%.

Rainfall

In Santos, Brazil, during April, the rain falls for 14.6 days and regularly aggregates up to 49mm (1.93") of precipitation. Throughout the year, in Santos, there are 191.3 rainfall days, and 819mm (32.24") of precipitation is accumulated.

Sea temperature

In Santos, in April, the average water temperature is 26.4°C (79.5°F).
Note: For swimming, diving, or other water activities, temperatures from 25°C (77°F) to 29°C (84.2°F) provide the most enjoyable experience for extended periods without discomfort.

Daylight

In April, the average length of the day is 11h and 32min.
On the first day of April, sunrise is at 06:13 and sunset at 18:04. On the last day of the month, sunrise is at 06:26 and sunset at 17:38 -03.

Sunshine

In Santos, the average sunshine in April is 7.9h.

UV index

In April, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index, 6 in April, converts into the following recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Always opt for UVA and UVB-resistant sunglasses on radiant days. Heads up! Sand and water reflection magnifies the UV exposure from the Sun.
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Frequently asked questions

What are the temperatures in Santos in April?

The average high-temperature and low-temperature in Santos during April are 25.3°C (77.5°F) and 21.1°C (70°F) respectively. In February, the average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, is calculated to be 32°C (89.6°F).

What is the average humidity in April in Santos?

In April, the average relative humidity is 81%.

How much does it rain in Santos in April?

In Santos, in April, it is raining for 14.6 days, with typically 49mm (1.93") of accumulated precipitation.

How warm is the water in April in Santos?

In Santos, the average seawater temperature in April is 26.4°C (79.5°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the average length of the day in April in Santos?

In Santos, Brazil, the average day length in April is 11h and 32min.

When is the sunrise / sunset in April in Santos?

In April, on the first day of the month, sunrise is at 06:13 and sunset at 18:04. On the last day of the month, sunrise is at 06:26 and sunset at 17:38 -03.

How many hours of sunshine does Santos have in April?

In April, the average sunshine duration in Santos is 7.9h.

What is the UV index intensity in April in Santos?

The average daily maximum UV index in April in Santos, Brazil, is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation.

Average temperature in April
Santos, Brazil

Average temperature in April - Santos, Brazil
  • Average high temperature in April: 25.3°C

The warmest month (with the highest average high temperature) is February (27.8°C).
The month with the lowest average high temperature is July (22°C).

  • Average low temperature in April: 21.1°C

The month with the highest average low temperature is February (23.7°C).
The coldest month (with the lowest average low temperature) is August (17.5°C).

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Average pressure in April
Santos, Brazil

Average pressure in April - Santos, Brazil
  • Average pressure in April: 1015.8mbar

The month with the highest atmospheric pressure is July (1020.1mbar).
The month with the lowest atmospheric pressure is December (1011.7mbar).

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Average wind speed in April
Santos, Brazil

Average wind speed in April - Santos, Brazil
  • Average wind speed in April: 10.1km/h

The windiest month (with the highest average wind speed) is November (11.6km/h).
The calmest month (with the lowest average wind speed) is February (9.8km/h).

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Average humidity in April
Santos, Brazil

Average humidity in April - Santos, Brazil
  • Average humidity in April: 81%

The month with the highest relative humidity is November (84%).
The month with the lowest relative humidity is August (78%).

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Average rainfall in April
Santos, Brazil

Average rainfall in April - Santos, Brazil
  • Average rainfall in April: 49mm

The wettest month (with the highest rainfall) is February (125mm).
The driest month (with the least rainfall) is August (35mm).

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Average rainfall days in April
Santos, Brazil

Average rainfall days in April - Santos, Brazil
  • Average rainfall days in April: 14.6 days

The month with the highest number of rainy days is January (23.3 days).
The month with the least rainy days is August (9.1 days).

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Average sea temperature in April
Santos, Brazil

Average sea temperature in April - Santos, Brazil
  • Average sea temperature in April: 26.4°C

The best month for swimming (with the highest average sea temperature) is February (27°C).
The coldest month (with the lowest average sea temperature) is September (20.7°C).

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Average daylight in April /
Average sunshine in April
Santos, Brazil

Average daylight in April / Average sunshine in April - Santos, 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 month with the most sunshine is May (Average sunshine: 8h and 6min).
The month with the least sunshine is November (Average sunshine: 7h and 0min).

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Average sunshine days in April
Santos, Brazil

Average sunshine days in April - Santos, Brazil
  • Average sunshine days in April: 12 days

The month with the most sunshine days is August (19.5 days).
The month with the least sunshine days is February (3.5 days).

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Average UV index in April
Santos, Brazil

Average UV index in April - Santos, Brazil
  • Average UV index in April: 6

The month with the highest UV index is January (UV index 7).
The months with the lowest UV index are May, July, August and September (UV index 5).

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Average cloud cover in April
Santos, Brazil

Average cloud cover in April - Santos, Brazil
  • Average cloud cover in April: 37

The month with the most cloud cover is November (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in April
Santos, Brazil

Average visibility in April - Santos, Brazil
  • Average visibility in April: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September and December (10km).
The months with the lowest visibility are October and November (9km).

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Santos, Brazil

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