March weather forecast
Santos, Brazil

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Weather in March

Welcome to March, a month undergoing a gentle transition from warm to mild weather in Santos. Distinctively, it boasts a sharp decline in rainfall from 125mm (4.92") to 77mm (3.03"). This gradual transition is accompanied by reduced daylight hours, lower temperatures, and a relatively high UV index of 6. Nevertheless, the sea remains reasonably warm, encouraging swimming and other water-related sports.

Temperature

March's average high-temperature in Santos stands at a still moderately hot 26.8°C (80.2°F), showing little deviation from February's 27.8°C (82°F). Recording a slight drop from the daily maximum, Santos notes an average low temperature of 22.7°C (72.9°F) in the month of March.

Humidity

In Santos, the average relative humidity in March is 82%.

Rainfall

In March, the rain falls for 20.2 days. Throughout March, 77mm (3.03") of precipitation is accumulated. In Santos, during the entire year, the rain falls for 191.3 days and collects up to 819mm (32.24") of precipitation.

Sea temperature

In Santos, the average seawater temperature in March is 26.8°C (80.2°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.

Daylight

In Santos, Brazil, the average length of the day in March is 12h and 13min.
On the first day of the month, sunrise is at 06:00 and sunset at 18:34. On the last day of March, in Santos, Brazil, sunrise is at 06:13 and sunset at 18:04 -03.

Sunshine

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

UV index

In Santos, the average daily maximum UV index in March is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In March, a daily maximum UV index of 6 leads to the following instructions:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Alert! UV radiation becomes sharper due to reflections from sand and water.
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Frequently asked questions

What are the temperatures in Santos in March?

The high-temperature, in March, in Santos, is 26.8°C (80.2°F), while the low-temperature averages to 22.7°C (72.9°F). 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 March in Santos?

In Santos, Brazil, the average relative humidity in March is 82%.

How many days does it rain in March in Santos?

In Santos, in March, during 20.2 rainfall days, 77mm (3.03") of precipitation is typically accumulated.

How warm is the water in March in Santos?

In Santos, Brazil, in March, the average water temperature is 26.8°C (80.2°F). 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.

How many hours of daylight does Santos have in March?

In March, the average day length in Santos is 12h and 13min.

When are sunrise and sunset in March in Santos?

On the first day of March in Santos, sunrise is at 06:00 and sunset at 18:34. On the last day of the month, sunrise is at 06:13 and sunset at 18:04 -03.

How many hours of sunshine does Santos have in March?

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

How high is the UV index in March in Santos?

The average daily maximum UV index in March in Santos is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.

Average temperature in March
Santos, Brazil

Average temperature in March - Santos, Brazil
  • Average high temperature in March: 26.8°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 March: 22.7°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 March
Santos, Brazil

Average pressure in March - Santos, Brazil
  • Average pressure in March: 1013.7mbar

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 March
Santos, Brazil

Average wind speed in March - Santos, Brazil
  • Average wind speed in March: 10.3km/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 March
Santos, Brazil

Average humidity in March - Santos, Brazil
  • Average humidity in March: 82%

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 March
Santos, Brazil

Average rainfall in March - Santos, Brazil
  • Average rainfall in March: 77mm

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 March
Santos, Brazil

Average rainfall days in March - Santos, Brazil
  • Average rainfall days in March: 20.2 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 March
Santos, Brazil

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).

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

Average daylight in March / Average sunshine in March - Santos, Brazil
  • Average daylight in March: 12h and 1min

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 March: 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 March
Santos, Brazil

Average sunshine days in March - Santos, Brazil
  • Average sunshine days in March: 6.4 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 March
Santos, Brazil

Average UV index in March - Santos, Brazil
  • Average UV index in March: 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 March
Santos, Brazil

Average cloud cover in March - Santos, Brazil
  • Average cloud cover in March: 40

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 March
Santos, Brazil

Average visibility in March - Santos, Brazil
  • Average visibility in March: 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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