January weather forecastSanto André, Brazil
January
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. Wind speeds aren't very strong, providing a slight relief from the heat and humidity. Despite the relatively high rainfall, the amount of sunshine received is substantial, illuminating the city for longer periods in the day.Temperature
Santo André starts January with an average high-temperature of a still moderately hot 26.9°C (80.4°F), a minor shift from December's 26.5°C (79.7°F). Santo André's nighttime temperature in January falls to an average of 20.4°C (68.7°F).Humidity
In January, the average relative humidity is 82%.Rainfall
January is the month with the most rainfall. Rain falls for 26.7 days and accumulates 199mm (7.83") of precipitation.Daylight
The average length of the day in January in Santo André, Brazil, is 13h and 24min.On the first day of the month, sunrise is at 05:22 and sunset at 18:56. On the last day of January, sunrise is at 05:43 and sunset at 18:55 -03.
Sunshine
The average sunshine in January is 7.2h.UV index
The months with the highest UV index are January, March, October through December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 6 in January, converts into the following recommendations:
Inhibit overexposure. Warding off sun damage is of utmost importance. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Santo André, Brazil
- Average high temperature in January: 26.9°C
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).
- Average low temperature in January: 20.4°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 in January
Santo André, Brazil
- Average pressure in January: 1012.6mbar
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 in January
Santo André, Brazil
- Average wind speed in January: 8.7km/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 in January
Santo André, Brazil
- Average humidity in January: 82%
The months with the highest relative humidity are March and April (84%).
The month with the lowest relative humidity is August (75%).
Average rainfall in January
Santo André, Brazil
- Average rainfall in January: 199mm
The wettest month (with the highest rainfall) is January (199mm).
The driest month (with the least rainfall) is August (37mm).
Average rainfall days in January
Santo André, Brazil
- Average rainfall days in January: 26.7 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 in January /
Average sunshine in January
Santo André, Brazil
- Average daylight in January: 13h and 24min
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
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 in January
Santo André, Brazil
- Average sunshine days in January: 3.3 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 in January
Santo André, Brazil
- Average UV index in January: 6
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 in January
Santo André, Brazil
- Average cloud cover in January: 51
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 in January
Santo André, Brazil
- Average visibility in January: 8km
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).





