Climate and monthly weather forecastSanto André, Brazil
Climate and monthly weather forecast
The climate of Santo André
Santo André, located in Brazil, predominantly characterizes the Humid subtropical climate with no dry season according to the Köppen climate classification. This classification, represented as Cfa, reveals that the city experiences rainfall throughout the year and higher temperatures.The yearly average temperatures in Santo André range between 14.3°C (57.7°F) as the lowest in July and 27.3°C (81.1°F) as the highest in February. The humidity remains consistent throughout the year, registering between 75% in September and 84% in March and April.
When it comes to precipitation, Santo André does not experience a dry season. Rainfall varies between a minimum of 37mm (1.46") in August to a peak of 199mm (7.83") in January. The number of days with rainfall also fluctuates from 10.9 days in August to 26.7 days in January.
Wind speeds throughout the year range from 8.1km/h (5mph) in February to 10.1km/h (6.3mph) in November. August to December experiences stronger winds, with maximum gusts reaching between 13km/h (8.1mph) and 13.5km/h (8.4mph).
The best time to visit Santo André
For visitors who prefer warm weather, the best time to visit Santo André would seem to be from January to March when the temperatures peak at 26.9°C (80.4°F), 27.3°C (81.1°F), and 25.9°C (78.6°F) respectively. The city also has long daylight hours from 12.2 hours to 13.4 hours in this period, offering ample opportunity for sightseeing.Alternatively, those wanting to visit during less humid conditions may prefer the period from June to September when relative humidity drops to the yearly lows of 75% to 78% and less rainfall is recorded from 37mm (1.46") to 52mm (2.05").
The worst time to visit Santo André
When considering the adverse weather conditions, January and February might not be ideal for travel plans. These months record the highest rainfall amounts of 199mm (7.83") and 159mm (6.26") respectively and also register the maximum number of rainy days in a month.Spring weather in Santo André
Spring in Santo André occurs in September, October, and November. The temperatures remain quite stable with daytime temperatures ranging from 22.7°C (72.9°F) to 25°C (77°F), and nighttime temperatures falling to between 14.4°C (57.9°F) and 17.4°C (63.3°F).Meanwhile, the rainfall increases through the season, with 37mm (1.46") observed in September, 52mm (2.05") in October, and 79mm (3.11") in November. Wind speed also increases in this season, ranging from 9.4km/h (5.8mph) to 10km/h (6.2mph).
Summer weather in Santo André
December marks the start of the summer season in Santo André and it extends to February. This period registers the highest temperatures of the year, from 24.7°C (76.5°F) in December to a peak of 27.3°C (81.1°F) in February. Nighttime temperatures also remain high, between 18.1°C (64.6°F) and 20.4°C (68.7°F).The rainfall records are the highest in this period with December registering 127mm (5") and January experiencing a peak of 199mm (7.83"). Wind speeds remain moderately high, with recorded values ranging from 9.4km/h (5.8mph) to 10.1km/h (6.3mph).
Autumn weather in Santo André
Autumn arrives in Santo André in March and lasts until May. The seasonal temperatures range between 24.4°C (75.9°F) and 26.9°C (80.4°F) in the day and drop to between 15.7°C (60.3°F) and 19.3°C (66.7°F) at night.Rainfall decreases during this season, with amounts falling from 92mm (3.62") in March to 49mm (1.93") by May. Wind speed decreases slightly during these months, hovering between 8.5km/h (5.3mph) and 8.9km/h (5.5mph).
Winter weather in Santo André
Winter spans from June to August in Santo André. The seasonal daytime temperature drops between 21.4°C (70.5°F) and 22.5°C (72.5°F), while nighttime temperatures can fall between 14.3°C (57.7°F) and 15.7°C (60.3°F), making it the coolest period.Despite winter, the area still receives a considerable amount of rainfall between 49mm (1.93") and 52mm (2.05"). Wind speeds remain relatively high as well, recording up to 9.4km/h (5.8mph) in August. Sunshine hours are at their lowest in June and July at 10.7 hours and 10.8 hours respectively.
Weather in January
Santo André, Brazil, starts the year with fairly high temperatures and humidity. January is notable for having the highest average maximum temperature, reaching 26.9°C (80.4°F). Rainfall is also significant, an expected occurrence considering Santo André's tropical climate. Weather in January »Weather in February
February continues the trends seen in January but with slight alterations. The month experiences a negligible drop in average low temperature from 20.4°C (68.7°F) in January to 20.2°C (68.4°F). Santo André residents can also observe a reduction in rainfall, though it still remains significant. Weather in February »Weather in March
March brings about subtle changes in temperature, humidity and rainfall conditions in Santo André. The maximum average temperature experiences a moderate reduction to 25.9°C (78.6°F). However, March remains relatively warm, slightly easing the summer intensity. Weather in March »Weather in April
In April, Santo André experiences decreased rainfall, marking the start of the dryer autumn season. The changes from March to April include a drop in the average maximum temperature and higher atmospheric pressure. The city enjoys dryer days with a slightly cooler climate, making it more comfortable for residents. Weather in April »Weather in May
May signals the onset of mild winter conditions in Santo André. The average high temperature dips to 22.5°C (72.5°F), while the lowest average temperature registers at 15.7°C (60.3°F). Being one of the coolest months, it provides a respite from the usual tropical heat. Weather in May »Weather in June
June in Santo André is characterised by mild and dry winter conditions. The coolest average low temperature of the year is recorded at 14.6°C (58.3°F). The overall reduced rainfall and lower relative humidity create a comfortable and pleasant weather pattern for residents. Weather in June »Weather in July
July continues the pleasant winter conditions seen in June in Santo André. In July, the highest atmospheric pressure of the year is noted, registering at 1020.2mb. The winter month exhibits a rise in the average low temperature and decrease in days with rainfall. Weather in July »Weather in August
August sees a gradual increase in temperature, indicating the transition from winter to spring in Santo André. Weather conditions in August are still dry, with the least rainfall recorded in the year, at 37mm (1.46"). With the increased temperature, Santo André experiences longer daylight hours, providing ample opportunities for outdoor activities. Weather in August »Weather in September
September in Santo André witnesses a perceptible shift in weather as spring starts settling in. The month portrays an increase in average temperatures, encroaching back into the more familiar warm zone. Rainfall, cloud cover and humidity increase as Spring takes hold, contrasting with the dry winter months. Weather in September »Weather in October
October ushers in marked changes in Santo André weather with the increased onset of Spring's warmer and rainier conditions. Average maximum temperature notably rises to 25°C (77°F) and rainfall jumps to 79mm (3.11"). While the humidity and rainfall accompany the spring season, the mild temperature provides a comfortable environment. Weather in October »Weather in November
November presents typical spring weather in Santo André with increased rainfall and temperature. The city records a relatively high average rainfall at 102mm (4.02") for the month. The warmer climate doesn't compromise comfort, supported by steady wind speeds and extended hours of daylight. Weather in November »Weather in December
December marks the onset of the summer season in Santo André, presenting hot and humid conditions. The average highest temperature for the year is noted at 26.5°C (79.7°F). However, the heat of summer is somewhat offset by slightly stronger winds, providing some respite to residents. Weather in December »Updated: Feb 2, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January is the month with the most rainfall in Santo André. Rain falls for 26.7 days and accumulates 199mm (7.83") of precipitation.
Throughout the year, in Santo André, Brazil, there are 217.7 rainfall days, and 1056mm (41.57") of precipitation is accumulated.
January, March, October through December, with an average maximum UV index of 6, are months with the highest UV index in Santo André.
February, noted for its average high-temperature of 27.3°C (81.1°F) and an average low-temperature of 20.2°C (68.4°F), is considered the warmest month.
The months with the lowest UV index in Santo André are February, April through September, with an average maximum UV index of 5.
March and April, with an average relative humidity of 84%, are most humid months in Santo André, Brazil.
With an average of 10h and 42min of daylight, June has the shortest days of the year in Santo André, Brazil.
The coldest temperatures in Santo André, Brazil, occur during July, when averages reach a peak of 21.4°C (70.5°F) and a low of 14.3°C (57.7°F).
With an average relative humidity of 75%, August is the least humid month in Santo André.
August is the month with the least rainfall. Rain falls for 10.9 days and accumulates 37mm (1.46") of precipitation.
With an average of 7.8h of sunshine, September has the most sunshine of the year in Santo André.
With an average of 6.7h of sunshine, November has the least sunshine of the year.
December has the longest days of the year, with an average of 13h and 36min of daylight.
Santo André, Brazil, does not utilize Daylight Saving Time (DST). -03 timezone is used throughout the entire year.
Average temperature
Santo André, Brazil
The warmest month (with the highest average high temperature) is February (27.3°C).
The month with the lowest average high temperature is July (21.4°C).
The month with the highest average low temperature is January (20.4°C).
The coldest month (with the lowest average low temperature) is July (14.3°C).
Average pressure
Santo André, Brazil
- Average pressure in January:
1012.6mbar - Average pressure in February:
1012.8mbar - Average pressure in March:
1013.8mbar - Average pressure in April:
1015.9mbar - Average pressure in May:
1017.6mbar - Average pressure in June:
1019.6mbar
- Average pressure in July:
1020.2mbar - Average pressure in August:
1019.7mbar - Average pressure in September:
1017.3mbar - Average pressure in October:
1014.8mbar - Average pressure in November:
1012.8mbar - Average pressure in December:
1011.8mbar
The month with the highest atmospheric pressure is July (1020.2mbar).
The month with the lowest atmospheric pressure is December (1011.8mbar).
Average wind speed
Santo André, Brazil
- Average wind speed in January:
8.7km/h - Average wind speed in February:
8.1km/h - Average wind speed in March:
8.6km/h - Average wind speed in April:
8.5km/h - Average wind speed in May:
8.9km/h - Average wind speed in June:
8.9km/h
- Average wind speed in July:
9km/h - Average wind speed in August:
9.4km/h - Average wind speed in September:
9.6km/h - Average wind speed in October:
10km/h - Average wind speed in November:
10.1km/h - Average wind speed in December:
9.4km/h
The windiest month (with the highest average wind speed) is November (10.1km/h).
The calmest month (with the lowest average wind speed) is February (8.1km/h).
Average humidity
Santo André, Brazil
The months with the highest relative humidity are March and April (84%).
The month with the lowest relative humidity is August (75%).
Average rainfall
Santo André, Brazil
- Average rainfall in January:
199mm - Average rainfall in February:
159mm - Average rainfall in March:
92mm - Average rainfall in April:
59mm - Average rainfall in May:
49mm - Average rainfall in June:
49mm
The wettest month (with the highest rainfall) is January (199mm).
The driest month (with the least rainfall) is August (37mm).
Average rainfall days
Santo André, Brazil
- Average rainfall days in January:
26.7 days - Average rainfall days in February:
23 days - Average rainfall days in March:
23.9 days - Average rainfall days in April:
17.3 days - Average rainfall days in May:
14.8 days - Average rainfall days in June:
11.9 days
- Average rainfall days in July:
12 days - Average rainfall days in August:
10.9 days - Average rainfall days in September:
14.6 days - Average rainfall days in October:
19.9 days - Average rainfall days in November:
19.9 days - Average rainfall days in December:
22.8 days
The month with the highest number of rainy days is January (26.7 days).
The month with the least rainy days is August (10.9 days).
Average daylight / Average sunshine
Santo André, Brazil
- Average daylight in January:
13h and 24min - Average daylight in February:
12h and 54min - Average daylight in March:
12h and 12min - Average daylight in April:
11h and 30min - Average daylight in May:
11h and 0min - Average daylight in June:
10h and 42min
- Average daylight in July:
10h and 48min - Average daylight in August:
11h and 18min - Average daylight in September:
12h and 0min - Average daylight in October:
12h and 42min - Average daylight in November:
13h and 18min - Average daylight in December:
13h and 36min
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 January:
7h and 12min - Average sunshine in February:
7h and 42min - Average sunshine in March:
7h and 24min - Average sunshine in April:
7h and 24min - Average sunshine in May:
7h and 42min - Average sunshine in June:
7h and 42min
- Average sunshine in July:
7h and 42min - Average sunshine in August:
7h and 42min - Average sunshine in September:
7h and 48min - Average sunshine in October:
7h and 6min - Average sunshine in November:
6h and 42min - Average sunshine in December:
7h and 12min
The month with the most sunshine is September (Average sunshine: 7h and 48min).
The month with the least sunshine is November (Average sunshine: 6h and 42min).
Average sunshine days
Santo André, Brazil
- Average sunshine days in January:
3.3 days - Average sunshine days in February:
3.1 days - Average sunshine days in March:
6.1 days - Average sunshine days in April:
9.3 days - Average sunshine days in May:
13 days - Average sunshine days in June:
15.8 days
- Average sunshine days in July:
16.3 days - Average sunshine days in August:
17.2 days - Average sunshine days in September:
11.9 days - Average sunshine days in October:
8.6 days - Average sunshine days in November:
8.2 days - Average sunshine days in December:
6.8 days
The month with the most sunshine days is August (17.2 days).
The month with the least sunshine days is February (3.1 days).
Average UV index
Santo André, Brazil
The months with the highest UV index are January, March, October, November and December (UV index 6).
The months with the lowest UV index are February, April, May, June, July, August and September (UV index 5).
Average cloud cover
Santo André, Brazil
The month with the most cloud cover is November (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility
Santo André, Brazil
The months with the highest visibility are June, July, August and September (9km).
The months with the lowest visibility are January, February, March, April, May, October, November and December (8km).
