, 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.
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.
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).
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.
. Here are the average temperatures.
January, the hottest month of the year, is generally a warm to hot, muggy month. The average temperature is of
26.4 °C, with a minimum of
22.9 °C and a maximum of
30 °C.

On the coldest nights of the month, the temperature usually drops to around
19.5 °C.

On the warmest days of the month, the temperature usually reaches around
36 °C.

Precipitation amounts to
255 mm, 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 of
9.2 kph.

The average sea temperature is of
26 °C. Therefore, the sea is warm enough for swimming.
February is generally a warm to hot, muggy month. The average temperature is of
26.4 °C, with a minimum of
22.8 °C and a maximum of
30.1 °C.

On the coldest nights of the month, the temperature usually drops to around
19 °C.

On the warmest days of the month, the temperature usually reaches around
35.5 °C.

Precipitation amounts to
220 mm, 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 of
8.6 kph.

The average sea temperature is of
26.4 °C. Therefore, the sea is pleasantly warm and allows long swims.
March is generally a warm to hot, muggy month. The average temperature is of
25.8 °C, with a minimum of
22.4 °C and a maximum of
29.3 °C.

On the coldest nights of the month, the temperature usually drops to around
19 °C.

On the warmest days of the month, the temperature usually reaches around
34.5 °C.

Precipitation amounts to
220 mm, 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 of
8.2 kph.

The average sea temperature is of
26.3 °C. Therefore, the sea is pleasantly warm and allows long swims.
April is generally a warm to hot, muggy month. The average temperature is of
24.2 °C, with a minimum of
20.6 °C and a maximum of
27.9 °C.

On the coldest nights of the month, the temperature usually drops to around
16.5 °C.

On the warmest days of the month, the temperature usually reaches around
34 °C.

Precipitation amounts to
195 mm, 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 of
7.5 kph.

The average sea temperature is of
25.3 °C. Therefore, the sea is warm enough for swimming.
May is generally a warm month. The average temperature is of
22 °C, with a minimum of
18.1 °C and a maximum of
25.8 °C.

On the coldest nights of the month, the temperature usually drops to around
13.5 °C.

On the warmest days of the month, the temperature usually reaches around
32.5 °C.

Precipitation amounts to
145 mm, 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 of
7.2 kph.

The average sea temperature is of
23.4 °C. Therefore, the sea can be considered barely acceptable for swimming.
June is generally a warm month. The average temperature is of
20.6 °C, with a minimum of
16.7 °C and a maximum of
24.6 °C.

On the coldest nights of the month, the temperature usually drops to around
11 °C.

On the warmest days of the month, the temperature usually reaches around
32.5 °C.

Precipitation amounts to
105 mm, 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 of
7 kph.

The average sea temperature is of
21.8 °C. Therefore, the sea is cool for swimming.
July, the coldest month of the year, is generally a warm month. The average temperature is of
19.7 °C, with a minimum of
15.7 °C and a maximum of
23.7 °C.

On the coldest nights of the month, the temperature usually drops to around
11 °C.

On the warmest days of the month, the temperature usually reaches around
33 °C.

Precipitation amounts to
120 mm, 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 of
6.8 kph.

The average sea temperature is of
20.7 °C. Therefore, the sea is cool for swimming.
August is generally a warm month. The average temperature is of
19.9 °C, with a minimum of
16 °C and a maximum of
23.7 °C.

On the coldest nights of the month, the temperature usually drops to around
11.5 °C.

On the warmest days of the month, the temperature usually reaches around
34 °C.

Precipitation amounts to
80 mm, 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 of
7.6 kph.

The average sea temperature is of
20.4 °C. Therefore, the sea is cool for swimming.
September is generally a warm month. The average temperature is of
20.8 °C, with a minimum of
17.6 °C and a maximum of
24 °C.

On the coldest nights of the month, the temperature usually drops to around
13 °C.

On the warmest days of the month, the temperature usually reaches around
35 °C.

Precipitation amounts to
130 mm, 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 of
8.7 kph.

The average sea temperature is of
20.9 °C. Therefore, the sea is cool for swimming.
October is generally a warm month. The average temperature is of
22.5 °C, with a minimum of
19.5 °C and a maximum of
25.5 °C.

On the coldest nights of the month, the temperature usually drops to around
15 °C.

On the warmest days of the month, the temperature usually reaches around
33.5 °C.

Precipitation amounts to
145 mm, 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 of
9.2 kph.

The average sea temperature is of
21.9 °C. Therefore, the sea is cool for swimming.
November is generally a warm to hot, muggy month. The average temperature is of
23.6 °C, with a minimum of
20.5 °C and a maximum of
26.7 °C.

On the coldest nights of the month, the temperature usually drops to around
16 °C.

On the warmest days of the month, the temperature usually reaches around
34 °C.

Precipitation amounts to
160 mm, 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 of
9.8 kph.

The average sea temperature is of
23.3 °C. Therefore, the sea can be considered barely acceptable for swimming.
December is generally a warm to hot, muggy month. The average temperature is of
25.4 °C, with a minimum of
21.9 °C and a maximum of
28.9 °C.

On the coldest nights of the month, the temperature usually drops to around
18 °C.

On the warmest days of the month, the temperature usually reaches around
36 °C.

Precipitation amounts to
210 mm, 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 of
10 kph.

The average sea temperature is of
24.8 °C. Therefore, the sea is warm enough for swimming.