Climate - Santos (São Paulo)
Average weather, temperature, rainfall, sunshine hours
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Climate chart - Santos
The climate of Santos is tropical, without a real dry season, but with a warmer and rainier period from December to March, and a cooler and less rainy period from May to August.
The city is located in southern Brazil, about 30 km (18 mi) south of Sao Paulo, on the coast of the Atlantic Ocean, and just south of the Tropic of Capricorn.
Given the latitude, Santos is a very rainy and not very sunny city.
From June to August, it is the winter of the southern hemisphere, which is often a dry period in Brazil, but rainfall occurs here due to the winds coming from the sea. Furthermore, in this period there can be cool days, with highs of 17/18 °C (62/64 °F) or even lower. In July 2013, there were two days with rain and a maximum temperature of 13 °C (55.5 °F), while in June and July 2021, the maximum was 15/16 °C (59/61 °F) for a few days.
From mid-August to October, in spring, the temperature rises and there can be very hot periods, however, sometimes cool, winter-like weather can return.
Of course, it can sometimes get very hot even in summer. In September 1997 and in January 2014, the temperature reached 40 °C (104 °F).
Best Time
The best time to visit Santos is from June to August, being the coolest and driest of the year. The sea, however, is very cool, especially in July and August.
There is no perfect time to go to the beach, because the hot season is also rainy and not very sunny, however, you can choose the period from mid-April to mid-May, which is less rainy than the summer months and not as cool as the winter ones.
Santos - Climate data
In Santos, the average temperature of the coldest month (July) is of 19.7 °C (67.5 °F), that of the warmest month (January) is of 26.4 °C (79.6 °F). Here are the average temperatures.Santos - Average temperatures (1991-2020) | Month | Min (°C) | Max (°C) | Mean (°C) | Min (°F) | Max (°F) | Mean (°F) |
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| January | 22.9 | 30 | 26.4 | 73 | 86 | 79.6 |
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| February | 22.8 | 30.1 | 26.4 | 73 | 86 | 79.6 |
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| March | 22.4 | 29.3 | 25.8 | 72 | 85 | 78.4 |
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| April | 20.6 | 27.9 | 24.2 | 69 | 82 | 75.6 |
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| May | 18.1 | 25.8 | 22 | 65 | 78 | 71.5 |
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| June | 16.7 | 24.6 | 20.6 | 62 | 76 | 69.2 |
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| July | 15.7 | 23.7 | 19.7 | 60 | 75 | 67.5 |
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| August | 16 | 23.7 | 19.9 | 61 | 75 | 67.8 |
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| September | 17.6 | 24 | 20.8 | 64 | 75 | 69.5 |
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| October | 19.5 | 25.5 | 22.5 | 67 | 78 | 72.5 |
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| November | 20.5 | 26.7 | 23.6 | 69 | 80 | 74.5 |
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| December | 21.9 | 28.9 | 25.4 | 71 | 84 | 77.7 |
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| Year | 19.5 | 26.7 | 23.05 | 67.2 | 80 | 73.5 |
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In Santos, precipitation amounts to 1990 millimeters (78.3 inches) per year: it is therefore abundant. It ranges from 80 mm (3.1 in) in the driest month (August) to 255 mm (10 in) in the wettest one (January). Here is the average precipitation.Santos - Average precipitation| Month | Millimeters | Inches | Days |
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| January | 255 | 10 | 13 |
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| February | 220 | 8.7 | 12 |
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| March | 220 | 8.7 | 12 |
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| April | 195 | 7.7 | 12 |
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| May | 145 | 5.7 | 9 |
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| June | 105 | 4.1 | 8 |
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| July | 120 | 4.7 | 8 |
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| August | 80 | 3.1 | 8 |
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| September | 130 | 5.1 | 11 |
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| October | 145 | 5.7 | 13 |
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| November | 160 | 6.3 | 12 |
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| December | 210 | 8.3 | 14 |
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| Year | 1990 | 78.3 | 132 |
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At Santos, the sea temperature ranges from 20.5 °C (69 °F) in July, August to 26.5 °C (80 °F) in February, March. Here are the average sea temperatures.Santos - Sea temperature| Month | Celsius (°C) | Fahrenheit (°F) |
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January | 26 | 79 | February | 26.5 | 80 | March | 26.5 | 79 | April | 25.5 | 78 | May | 23.5 | 74 | June | 22 | 71 | July | 20.5 | 69 | August | 20.5 | 69 | September | 21 | 70 | October | 22 | 71 | November | 23.5 | 74 | December | 25 | 77 | Year | 23.4 | 74.2 |
In Santos, there are on average around 1655 sunshine hours per year. Here are the average hours of sunshine per day.
Santos - Sunshine hours| Month | Average | Total |
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January | 5 | 155 | February | 5.5 | 150 | March | 5 | 155 | April | 5 | 145 | May | 5 | 160 | June | 4.5 | 140 | July | 5 | 155 | August | 4.5 | 135 | September | 3 | 90 | October | 3.5 | 110 | November | 4.5 | 130 | December | 4.5 | 135 | Year | 4.5 | 1655 |
Santos - Weather by month
Based on the period 1991-2020
In January, the hottest month of the year, the weather in Santos is usually warm to hot and muggy. The average temperature is of 26.4 °C (80 °F), with a minimum of 22.9 °C (73.3 °F) and a maximum of 30 °C (85.9 °F).
On the coldest nights of the month, the temperature usually drops to around 19.5 °C (67 °F).
On the warmest days of the month, the temperature usually reaches around 36 °C (96.5 °F).
Precipitation amounts to 255 mm (10 in), distributed over 13 days.
The day lasts on average 13 hours and 25 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 37% of the time.
The average humidity is 76%. Hence, the air is normally humid.
The average wind speed is 9 kph (6 mph).
The average sea temperature is of 26 °C (79 °F). Therefore, the sea is warm enough for swimming.
In February, the weather in Santos is usually warm to hot and muggy. The average temperature is of 26.4 °C (80 °F), with a minimum of 22.8 °C (73 °F) and a maximum of 30.1 °C (86.1 °F).
On the coldest nights of the month, the temperature usually drops to around 19 °C (66.5 °F).
On the warmest days of the month, the temperature usually reaches around 35.5 °C (96.5 °F).
Precipitation amounts to 220 mm (8.7 in), distributed over 12 days.
The day lasts on average 12 hours and 55 minutes.
There are on average 5.5 hours of sunshine per day. So, the sun shines 41% of the time.
The average humidity is 76%. Hence, the air is normally humid.
The average wind speed is 9 kph (5 mph).
The average sea temperature is of 26.5 °C (79.5 °F). Therefore, the sea is pleasantly warm and allows long swims.
In March, the weather in Santos is usually warm to hot and muggy. The average temperature is of 25.8 °C (78 °F), with a minimum of 22.4 °C (72.2 °F) and a maximum of 29.3 °C (84.7 °F).
On the coldest nights, the temperature usually drops to around 19 °C (66.5 °F).
On the warmest days, the temperature usually reaches around 34.5 °C (93.5 °F).
Precipitation amounts to 220 mm (8.7 in), distributed over 12 days.
The day lasts on average 12 hours and 10 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 41% of the time.
The average humidity is 77%. Hence, the air is normally humid.
The average wind speed is 8 kph (5 mph).
The average sea temperature is of 26.5 °C (79.5 °F). Therefore, the sea is pleasantly warm and allows long swims.
In April, the weather in Santos is usually warm to hot and muggy. The average temperature is of 24.2 °C (76 °F), with a minimum of 20.6 °C (69 °F) and a maximum of 27.9 °C (82.2 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 16.5 °C (62 °F).
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 34 °C (93 °F).
Precipitation amounts to 195 mm (7.7 in), distributed over 12 days.
The day lasts on average 11 hours and 30 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 42% of the time.
The average humidity is 77%. Hence, the air is normally humid.
The average wind speed is 7 kph (5 mph).
The average sea temperature is of 25.5 °C (77.5 °F). Therefore, the sea is warm enough for swimming.
In May, the weather in Santos is usually warm. The average temperature is of 22.0 °C (72 °F), with a minimum of 18.1 °C (64.6 °F) and a maximum of 25.8 °C (78.4 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 13.5 °C (56.5 °F).
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 32.5 °C (90.5 °F).
Precipitation amounts to 145 mm (5.7 in), distributed over 9 days.
The day lasts on average 10 hours and 55 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 47% of the time.
The average humidity is 76%. Hence, the air is normally humid.
The average wind speed is 7 kph (4 mph).
The average sea temperature is of 23.5 °C (74 °F). Therefore, the sea can be considered barely acceptable for swimming.
In June, the weather in Santos is usually warm. The average temperature is of 20.6 °C (69 °F), with a minimum of 16.7 °C (62 °F) and a maximum of 24.6 °C (76.3 °F).
On the coldest nights, the temperature usually drops to around 11 °C (52 °F).
On the warmest days, the temperature usually reaches around 32.5 °C (90.5 °F).
Precipitation amounts to 105 mm (4.1 in), distributed over 8 days.
The day lasts on average 10 hours and 40 minutes. June 21, the winter solstice, is the shortest day of the year in the Southern Hemisphere.
There are on average 4.5 hours of sunshine per day. So, the sun shines 44% of the time.
The average humidity is 77%. Hence, the air is normally humid.
The average wind speed is 7 kph (4 mph).
The average sea temperature is of 22 °C (71 °F). Therefore, the sea is cool for swimming.
In July, the coldest month of the year, the weather in Santos is usually warm. The average temperature is of 19.7 °C (67 °F), with a minimum of 15.7 °C (60.2 °F) and a maximum of 23.7 °C (74.7 °F).
On the coldest nights of the month, the temperature usually drops to around 11 °C (51.5 °F).
On the warmest days of the month, the temperature usually reaches around 33 °C (91 °F).
Precipitation amounts to 120 mm (4.7 in), distributed over 8 days.
The day lasts on average 10 hours and 50 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 46% of the time.
The average humidity is 77%. Hence, the air is normally humid.
The average wind speed is 7 kph (4 mph).
The average sea temperature is of 20.5 °C (69.5 °F). Therefore, the sea is cool for swimming.
In August, the weather in Santos is usually warm. The average temperature is of 19.9 °C (68 °F), with a minimum of 16 °C (60.9 °F) and a maximum of 23.7 °C (74.7 °F).
On the coldest nights of the month, the temperature usually drops to around 11.5 °C (52.5 °F).
On the warmest days of the month, the temperature usually reaches around 34 °C (93.5 °F).
Precipitation amounts to 80 mm (3.1 in), distributed over 8 days.
The day lasts on average 11 hours and 20 minutes.
There are on average 4.5 hours of sunshine per day. So, the sun shines 39% of the time.
The average humidity is 78%. Hence, the air is normally humid.
The average wind speed is 8 kph (5 mph).
The average sea temperature is of 20.5 °C (68.5 °F). Therefore, the sea is cool for swimming.
In September, the weather in Santos is usually warm. The average temperature is of 20.8 °C (70 °F), with a minimum of 17.6 °C (63.8 °F) and a maximum of 24 °C (75.3 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 13 °C (55 °F).
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 35 °C (94.5 °F).
Precipitation amounts to 130 mm (5.1 in), distributed over 11 days.
The day lasts on average 12 hours and 0 minutes.
There are on average 3 hours of sunshine per day. So, the sun shines 25% of the time.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is 9 kph (5 mph).
The average sea temperature is of 21 °C (69.5 °F). Therefore, the sea is cool for swimming.
In October, the weather in Santos is usually warm. The average temperature is of 22.5 °C (72 °F), with a minimum of 19.5 °C (67.1 °F) and a maximum of 25.5 °C (77.8 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 15 °C (59 °F).
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 33.5 °C (92.5 °F).
Precipitation amounts to 145 mm (5.7 in), distributed over 13 days.
The day lasts on average 12 hours and 40 minutes.
There are on average 3.5 hours of sunshine per day. So, the sun shines 27% of the time.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is 9 kph (6 mph).
The average sea temperature is of 22 °C (71.5 °F). Therefore, the sea is cool for swimming.
In November, the weather in Santos is usually warm to hot and muggy. The average temperature is of 23.6 °C (74 °F), with a minimum of 20.5 °C (68.9 °F) and a maximum of 26.7 °C (80.1 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 16 °C (60.5 °F).
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 34 °C (93.5 °F).
Precipitation amounts to 160 mm (6.3 in), distributed over 12 days.
The day lasts on average 13 hours and 20 minutes.
There are on average 4.5 hours of sunshine per day. So, the sun shines 33% of the time.
The average humidity is 77%. Hence, the air is normally humid.
The average wind speed is 10 kph (6 mph).
The average sea temperature is of 23.5 °C (74 °F). Therefore, the sea can be considered barely acceptable for swimming.
In December, the weather in Santos is usually warm to hot and muggy. The average temperature is of 25.4 °C (78 °F), with a minimum of 21.9 °C (71.5 °F) and a maximum of 28.9 °C (83.9 °F).
On the coldest nights of the month, the temperature usually drops to around 18 °C (64.5 °F).
On the warmest days of the month, the temperature usually reaches around 36 °C (96.5 °F).
Precipitation amounts to 210 mm (8.3 in), distributed over 14 days.
The day lasts on average 13 hours and 35 minutes. December 21, the summer solstice, is the longest day of the year in the Southern Hemisphere.
There are on average 4.5 hours of sunshine per day. So, the sun shines 32% of the time.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is 10 kph (6 mph).
The average sea temperature is of 25 °C (76.5 °F). Therefore, the sea is warm enough for swimming.
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