Santo André, Brazil experiences average highs of 24°C (75°F) and lows of 16°C (61°F) throughout the year. Rainfall is frequent, averaging about 16 rainy days per month. Sunshine is abundant, averaging about 9 hours per day. Average highs have stayed broadly stable across the available records.
Santo André, Brazil Weather & Climate 2026
Monthly climate averages for Santo André, Brazil. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Apr–Sep 
Wetter season: Jan–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
7.6/10
Best: May, July, August, September
UV Index
7
High
Temperature 24°C / 16°C
Feels Like 26°C / 17°C
Rainy Days 16
Rainfall 163 mm
Sunshine 9 h
Humidity 83%
Wind Speed 14 km/h
Dew Point 17°C
Hottest Month
26°C
January
Avg Low20°C
Rain25days
Coldest Month
12°C
July
Avg High21°C
Rain6days
Driest Month
6days
July
Avg High21°C
Avg Low12°C
Windiest Month
16 km/h
November (Gusts 39)
Worst Time to Visit
Consider avoiding January, February, December due to heavy rainfall.
Sun Position
Sunrise 06:47
Daylight 10.7h
Sunset 17:28
Live conditions—
Santo André on the map · live conditions
Santo André, Brazil
- Continent
- Americas
- Country
- Brazil
- City
- Santo André
- Population
- 662.4K
- Coordinates
- -23.66°, -46.54°
Seasonal Breakdown
Spring
Sep–Nov
Avg High 24°C
Avg Low 16°C
Rain 16 days/mo
1/3 best months
Summer
Dec–Feb
Avg High 26°C
Avg Low 19°C
Rain 23 days/mo
Autumn
Mar–May
Avg High 24°C
Avg Low 17°C
Rain 16 days/mo
1/3 best months
Winter
Jun–Aug
Avg High 22°C
Avg Low 13°C
Rain 9 days/mo
2/3 best months
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 26°C / 20°C . Feb: 26°C / 19°C . Mar: 26°C / 19°C . Apr: 24°C / 17°C . May: 22°C / 15°C . Jun: 21°C / 13°C . Jul: 21°C / 12°C . Aug: 22°C / 13°C . Sep: 24°C / 15°C . Oct: 24°C / 16°C . Nov: 24°C / 17°C . Dec: 26°C / 19°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 328 mm. Feb: 288 mm. Mar: 245 mm. Apr: 122 mm. May: 80 mm. Jun: 80 mm. Jul: 43 mm. Aug: 85 mm. Sep: 77 mm. Oct: 179 mm. Nov: 188 mm. Dec: 240 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 85%. Feb: 85%. Mar: 86%. Apr: 85%. May: 83%. Jun: 82%. Jul: 80%. Aug: 80%. Sep: 81%. Oct: 85%. Nov: 84%. Dec: 84%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 14 km/h . Feb: 15 km/h . Mar: 13 km/h . Apr: 14 km/h . May: 14 km/h . Jun: 14 km/h . Jul: 13 km/h . Aug: 14 km/h . Sep: 15 km/h . Oct: 16 km/h . Nov: 16 km/h . Dec: 15 km/h .
Sunshine
Sunshine
Sunshine: Jan: 10h. Feb: 10h. Mar: 10h. Apr: 9h. May: 8h. Jun: 8h. Jul: 9h. Aug: 8h. Sep: 9h. Oct: 8h. Nov: 10h. Dec: 10h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 8. Feb: UV 9. Mar: UV 8. Apr: UV 6. May: UV 5. Jun: UV 5. Jul: UV 5. Aug: UV 6. Sep: UV 7. Oct: UV 7. Nov: UV 8. Dec: UV 9.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Climate Trends
Average highs have stayed broadly stable across the available records. Average rainfall is trending drier by about 15 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Feb 2025 · 28°C | Jan · 26°C |
| Coldest month | Jul 2025 · 11°C | Jul · 12°C |
| Wettest month | Jan 2025 · 344 mm | Jan · 328 mm |
| Windiest month | Dec 2025 · 17 km/h | Nov · 16 km/h |
Month-by-Month Weather Table
January
Wet 
February
Wet March
Wet April
Good May best
Excellent June
Good July best
Excellent August best
Excellent September best
Excellent October
Wet November
Wet December
Wet | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 26°C / 20°C | 30°C / 22°C | 25days (328 mm) Wet | 9.6h Good | 85% Humid | 8.3 Very High | Wet | View Details |
| February | 26°C / 19°C | 30°C / 22°C | 22days (288 mm) Wet | 9.5h Good | 85% Humid | 8.7 Very High | Wet | View Details |
| March | 26°C / 19°C | 29°C / 21°C | 24days (245 mm) Wet | 9.5h Good | 86% Very Muggy | 7.7 Very High | Wet | View Details |
| April | 24°C / 17°C | 26°C / 18°C | 15days (122 mm) Wet | 9h Good | 85% Humid | 6.4 High | Good | View Details |
| May best | 22°C / 15°C | 23°C / 15°C | 10days (80 mm) Wet | 8.4h Good | 83% Humid | 5.1 High | Excellent | View Details |
| June | 21°C / 13°C | 21°C / 13°C | 10days (80 mm) Wet | 7.9h Good | 82% Humid | 4.7 Moderate | Good | View Details |
| July best | 21°C / 12°C | 21°C / 11°C | 6days (43 mm) Good | 8.6h Good | 80% Humid | 4.8 Moderate | Excellent | View Details |
| August best | 22°C / 13°C | 22°C / 12°C | 10days (85 mm) Wet | 7.9h Good | 80% Humid | 5.9 High | Excellent | View Details |
| September best | 24°C / 15°C | 26°C / 15°C | 10days (77 mm) Wet | 9h Good | 81% Humid | 7.2 Very High | Excellent | View Details |
| October | 24°C / 16°C | 27°C / 17°C | 20days (179 mm) Wet | 8.3h Good | 85% Humid | 7.1 Very High | Wet | View Details |
| November | 24°C / 17°C | 27°C / 17°C | 19days (188 mm) Wet | 9.5h Good | 84% Humid | 7.8 Very High | Wet | View Details |
| December | 26°C / 19°C | 29°C / 20°C | 23days (240 mm) Wet | 10.1h Excellent | 84% Humid | 8.6 Very High | Wet | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Santo André are May, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Santo André, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Santo André is January, with average daytime highs of 26°C (79°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Santo André is July, with average overnight lows of 12°C (54°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Santo André is January, averaging 328mm of precipitation across 25 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Santo André runs through January, March, December, February, with the heaviest rainfall in January. Based on 10-year averages for Santo André.
Santo André receives approximately 107 sunshine hours per year. The sunniest month is December with around 10 hours. Based on climate data for Santo André.
The least favorable months to visit Santo André are January, February, December, primarily due to heavy rainfall. For the best conditions, consider May, July, August, September instead.
The annual average UV index in Santo André is 7, classified as high. SPF 30+ sunscreen, sunglasses, and seeking shade between 10:00–16:00 are strongly recommended.
Average humidity in Santo André is 83%, classified as humid. High humidity makes warm temperatures feel significantly hotter — lightweight, breathable clothing is recommended.
Average wind speeds in Santo André are 14 km/h (9 mph). The windiest month is November with peak winds reaching 16 km/h (10 mph) (gusts up to 39 km/h / 24 mph).
Santo André averages 2 clear-sky days per month with overall cloud cover around 70%. The clearest skies occur in July.
The annual average dew point in Santo André is 17°C (63°F), which feels noticeably humid. Summer months may feel slightly sticky, but conditions remain manageable for most people.
Santo André has a Humid Subtropical climate, classified as Cfa under the Köppen system. Temperate climates have mild winters and warm summers, with rainfall spread across the year and four distinct seasons.
The 'feels like' temperature in Santo André ranges from 17°C (63°F) to 26°C (79°F) on average. The 'feels like' temperature closely matches the actual temperature throughout most of the year.
Yes, June is a great time to visit Santo André. It earns a climate score of 8/10 with Good.
For June in Santo André, pack Umbrella, Waterproof jacket, Sunscreen (SPF 30+), Sunglasses, Comfortable walking shoes. With average highs of 21°C (71°F) and 10 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
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