Climate and monthly weather forecastSantos, Brazil

The climate of Santos

The bustling port city of Santos in Brazil bears the label of a 'Cfa' climate classification according to the Köppen climate classification system. Specifically, Santos is categorized under the humid subtropical climate zone, characterized by having no dry season.

Throughout the year, Santos is subjected to an array of high temperatures ranging from the lowest of 22°C (71.6°F) in July and gradually escalating to a towering height of 27.8°C (82°F) in February. Notably, a significant correlation is observed between the sea temperatures and annual air temperatures. The sea temperatures oscillate in a similar pattern, hitting a low of 20.9°C (69.6°F) in July and peaking at 27°C (80.6°F) during February.

While the city drenches under ample rainfall across the year, February and March experience the heaviest showers with an average rainfall of 125mm (4.92") and 123mm (4.84") respectively. On the contrary, August witnesses the lowest rate of precipitation, receiving a mere 35mm (1.38") of rainfall.

Santos inhabitants experience a high degree of humidity throughout the year, with relative humidity percentages hovering in the 78-84% range. Cloud cover percentages also fluctuate moderately across the year, ranging from 33% in July to 48% in November.

The best time to visit Santos

From the data, it becomes apparent that the best time to explore Santos is during the period from July to September. During this period, the city experiences agreeable temperatures between 22°C (71.6°F) to 25.3°C (77.5°F) while humidity levels decline to their lowest annual values (78% to 80%). Sea temperatures also touch a pleasant range from 20.7°C (69.3°F) to 26.4°C (79.5°F). Furthermore, rainfall in these months is minimal, reducing the chance of travel disruptions due to weather. Visitors can hence relish the beauty of Santos under copious sunshine, with sunlight durations clocking in between 10.7 hours to 12.2 hours per day.

The worst time to visit Santos

Contrary to that, the least advisable period for visiting Santos is during the months of February and March. This period is characterized by soaring temperatures that can reach a maximum of 27.8°C (82°F), accompanied by the highest levels of rainfall, with an average volume of 125mm (4.92") in February and 123mm (4.84") in March. Consequently, these two months have the fewest sunshine days, reducing the likelihood of exploring the city under clear skies.

Spring weather in Santos

Spring in Santos sets in from September to November. During this season, temperatures rise gradually from 22.7°C (72.9°F) to 26.8°C (80.2°F) while sea temperatures vary between 20.7°C (69.3°F) to 26.8°C (80.2°F). At the same time, the city sees an increase in sunshine hours from 12 hours to 13.3 hours, complemented by lower rainfall levels from 43mm (1.69") to 74mm (2.91").

Summer weather in Santos

Summer graces Santos from December to February with the highest temperatures of the year fluctuating from 26.6°C (79.9°F) to 27.8°C (82°F), and sea temperatures soaring from 24.8°C (76.6°F) to 27°C (80.6°F). Despite the heavy rainfall, sunshine hours are relatively high, ranging from 12.7 hours to 13.6 hours daily.

Autumn weather in Santos

Autumn commences in Santos in March and lasts until May. During this period, air temperatures drop consistently from 26.8°C (80.2°F) to 23.6°C (74.5°F), while sea temperatures decrease from 26.8°C (80.2°F) to 24.2°C (75.6°F). Rainfall is relatively lower with an average downpour between 49mm (1.93") to 77mm (3.03") and sunshine durations decline marginally from 12.2 hours to 11 hours per day.

Winter weather in Santos

Winter arrives in Santos in June and ends in August. As the coldest season, temperatures plummet to their lowest values, from 22.5°C (72.5°F) to 22°C (71.6°F) while sea temperatures descend to a chilly 20.9°C (69.6°F) to 22.8°C (73°F). However, it makes up for a pleasant weather as rainfall diminishes to its minimum values from 53mm (2.09") to 35mm (1.38") and daylight hours mildly increase from 10.7 hours to 11.3 hours.

Weather in January

In Santos, Brazil, January features a blend of warm temperatures, high humidity, and fairly consistent rainfall. This opens the year on the following note: average high temperatures reach 27.5°C (81.5°F), while low temperatures descend to a balmy 23.5°C (74.3°F). Weather in January »

Weather in February

Following January, February in Santos, Malaysia, brings a slight drop in humidity and marginal changes in temperature. Notably, the pressure rates rise during this month, reaching an average of 1012.6mb. The rainfall frequency decreases, making way for sunnier days, while the sea temperature remains close to that of January, offering excellent conditions for marine tourism. Weather in February »

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. Weather in March »

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"). Weather in April »

Weather in May

May ushers in the late autumn period in Santos, accompanied by more significant temperature drops. The most significant shift lies in the sea temperatures, dropping from 26.4°C (79.5°F) in April to 24.2°C (75.6°F) in May. Simultaneously, the increase in sunny days and pressure exemplifies the typical late autumn features. Weather in May »

Weather in June

Santos in June is quintessentially winter, as the city experiences its coolest temperatures of the year. Investing attention to the lowering sea temperature, now averaging at 22.8°C (73°F), can prove vital. The distinctive decrease in rainfall days, combined with reduced daylight hours offers a unique charm to this month. Weather in June »

Weather in July

July, regarded as the heart of winter in Santos, brings with it the coldest temperatures of the year, reaching a low average of 17.6°C (63.7°F). It might pique one's interest to learn that July shares the position for minimum rainfall days - 10.3 - with June. Weather in July »

Weather in August

In Santos, August marks the transition between winter and spring, often displaying warm and pleasant weather conditions. An intriguing fact is that this month records the lowest relative humidity level over the year, resting at 78%. Weather in August »

Weather in September

September brings the freshness of spring to Santos, with subtle temperature increases and a return to slightly higher humidity levels. Emphasize the significant jump in rainfall from 35mm (1.38") in August to 43mm (1.69") in September. Weather in September »

Weather in October

October in Santos is a true reflection of spring, combining warmer temperatures, fewer sunny days, and greater rainfall. Notably, there is a significant increase in rainfall days from 12.6 in September to 18.3 in October. Despite increased rain, the weather remains pleasantly warm, inviting for city exploration. Weather in October »

Weather in November

November carries Santos into the early summer period, presenting an interesting blend of increased temperature, rainfall, and sunshine hours. An intriguing November fact is that it experiences the highest relative humidity of the year, registering at 84%. Weather in November »

Weather in December

Concluding the year, December brings hot summer weather to Santos, Brazil. However, attention should be drawn to the rise in high temperatures from 24.2°C (75.6°F) in November to 26.6°C (79.9°F) in December. Also, the increase in rainfall frequency does little to dampen the vibrant festivity spirit typical of this month in Santos. Weather in December »