Santos
Brazil
Long-term weather forecast
Long-term weather forecast

March weather forecast and climate
Santos, Brazil

March, the first month of the autumn, in Santos, is also a moderately hot month, with average temperature fluctuating between 22°C (71.6°F) and 28.1°C (82.6°F).

Temperature

In Santos, the average high-temperature is essentially the same as in February - a still warm 28.1°C (82.6°F). In March, in Santos, the average low-temperature is 22°C (71.6°F).

Heat index

The average heat index is evaluated at a hot 32.8°C (91°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'apparent temperature', 'feels like', or 'real feel', is a measure that combines both air temperature and relative humidity into a single value that indicates how hot the weather feels. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (metabolic differences, wind, pregnancy). Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

Months with the highest humidity in Santos are March and April, with an average relative humidity of 83%.

Rainfall

In Santos, in March, during 12 rainfall days, 221.1mm (8.7") of precipitation is typically accumulated. Throughout the year, there are 132 rainfall days, and 1990.5mm (78.4") of precipitation is accumulated.

Sea temperature

In March, the average sea temperature is 26.8°C (80.2°F).
Note: For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

In March, the average length of the day is 12.2h.

Sunshine

The average sunshine in March in Santos is 5h.

What is the temperature in March in Santos?

In Santos, in March, the average high-temperature is 28.1°C (82.6°F), and the average low-temperature is 22°C (71.6°F). The average heat index (a.k.a. 'feels like', 'apparent temperature'), that factores the actual air temperature with the relative humidity, in March is estimated at 32.8°C (91°F).

What is the most humid month in Santos?

Months with the highest humidity in Santos, Brazil, are March and April, with an average relative humidity of 83%.

What is the average humidity in March in Santos?

In March, the average relative humidity is 83%.

How many days does it rain in March in Santos?

In Santos, Brazil, during March, the rain falls for 12 days and regularly aggregates up to 221.1mm (8.7") of precipitation.

What is the water temperature in March in Santos?

In Santos, Brazil, the average seawater temperature in March is 26.8°C (80.2°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

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

The average length of the day in March in Santos, Brazil, is 12.2h.

How long on average sun shines in March in Santos?

In March, the average sunshine in Santos, Brazil, is 5h.
Average temperature in March - Santos, Brazil
  • Average high temperature in March: 28.1°C

The warmest month (with the highest average high temperature) is February (28.9°C).
The month with the lowest average high temperature is September (22.4°C).

  • Average low temperature in March: 22°C

The month with the highest average low temperature is February (22.4°C).
The coldest month (with the lowest average low temperature) is July (15.5°C).

Average humidity in March - Santos, Brazil
  • Average humidity in March: 83%

Months with the highest relative humidity are March and April (83%).
The month with the lowest relative humidity is August (75%).

Average rainfall in March - Santos, Brazil
  • Average rainfall in March: 221.1mm

The wettest month (with the highest rainfall) is January (255.9mm).
The driest month (with the lowest rainfall) is August (78.4mm).

Average rainfall days in March - Santos, Brazil
  • Average rainfall days in March: 12 days

The month with the highest number of rainy days is December (14 days).
Months with the lowest number of rainy days are June, July and August (8 days).

Average sea temperature in March - Santos, Brazil
  • Average sea temperature in March: 26.8°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).

Average daylight in March / Average sunshine in March - Santos, Brazil
  • Average daylight in March: 12.2h

The month with the longest days is December (Average daylight: 13.6h).
The month with shortest days is June (Average daylight: 10.7h).

  • Average sunshine in March: 5h

The month with most sunshine is February (Average sunshine: 5.3h).
The month with least sunshine is September (Average sunshine: 2.9h).