Cotia, Brazil experiences average highs of 25°C (77°F) and lows of 16°C (61°F) throughout the year. Rainfall is moderate, averaging about 11 rainy days per month. Sunshine is abundant, averaging about 9 hours per day. Average highs have stayed broadly stable across the available records.
Cotia, Brazil Weather & Climate 2026
Monthly climate averages for Cotia, 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
8.3/10
Best: April, May, July, August, September
UV Index
7
High
Temperature 25°C / 16°C
Feels Like 26°C / 16°C
Rainy Days 11
Rainfall 96 mm
Sunshine 9 h
Humidity 80%
Wind Speed 16 km/h
Dew Point 17°C
Hottest Month
27°C
February
Avg Low 19°C
Rain 16 days
Coldest Month
12°C
July
Avg High 22°C
Rain 2 days
Driest Month
2 days
July
Avg High 22°C
Avg Low 12°C
Windiest Month
18 km/h
October (Gusts 40)
Worst Time to Visit
Consider avoiding January, February, December due to heavy rainfall.
Sun Position
Sunrise 06:49
Daylight 10.8h
Sunset 17:38
Live conditions —
Cotia on the map · live conditions
Cotia, Brazil
- Continent
- Americas
- Country
- Brazil
- City
- Cotia
- Population
- 253.6K
- Coordinates
- -23.60°, -46.92°
Seasonal Breakdown
Spring
Sep–Nov
Avg High 25°C
Avg Low 16°C
Rain 12 days/mo
1/3 best months
Summer
Dec–Feb
Avg High 26°C
Avg Low 19°C
Rain 19 days/mo
Autumn
Mar–May
Avg High 24°C
Avg Low 17°C
Rain 10 days/mo
2/3 best months
Winter
Jun–Aug
Avg High 22°C
Avg Low 13°C
Rain 4 days/mo
2/3 best months
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
High Low Shaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 26°C / 19°C . Feb: 27°C / 19°C . Mar: 26°C / 19°C . Apr: 25°C / 17°C . May: 23°C / 14°C . Jun: 22°C / 13°C . Jul: 22°C / 12°C . Aug: 23°C / 13°C . Sep: 26°C / 15°C . Oct: 25°C / 16°C . Nov: 25°C / 16°C . Dec: 26°C / 18°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 216 mm. Feb: 155 mm. Mar: 130 mm. Apr: 58 mm. May: 41 mm. Jun: 47 mm. Jul: 19 mm. Aug: 50 mm. Sep: 46 mm. Oct: 119 mm. Nov: 123 mm. Dec: 153 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 84%. Feb: 84%. Mar: 85%. Apr: 83%. May: 79%. Jun: 79%. Jul: 75%. Aug: 76%. Sep: 75%. Oct: 81%. Nov: 82%. Dec: 82%.
Monthly Wind Speed
Wind Speed Gusts
Bar chart showing monthly wind speed. Jan: 16 km/h . Feb: 16 km/h . Mar: 15 km/h . Apr: 15 km/h . May: 15 km/h . Jun: 15 km/h . Jul: 15 km/h . Aug: 16 km/h . Sep: 18 km/h . Oct: 18 km/h . Nov: 18 km/h . Dec: 17 km/h .
Sunshine
Sunshine
Sunshine: Jan: 10h. Feb: 10h. Mar: 10h. Apr: 9h. May: 9h. Jun: 8h. Jul: 9h. Aug: 9h. Sep: 10h. Oct: 9h. 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
Daylight 12h 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 23 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Feb 2025 · 28°C | Feb · 27°C |
| Coldest month | Jul 2025 · 11°C | Jul · 12°C |
| Wettest month | Jan 2025 · 239 mm | Jan · 216 mm |
| Windiest month | Oct 2025 · 19 km/h | Oct · 18 km/h |
Month-by-Month Weather Table
January
Wet 
February
Good March
Good April best
Excellent May best
Excellent June
Excellent July best
Excellent August best
Excellent September best
Excellent October
Good November
Good December
Wet | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 26°C / 19°C | 30°C / 21°C | 22days (216 mm) Wet | 9.5h Good | 84% Humid | 8.4 Very High | Wet | View Details |
| February | 27°C / 19°C | 30°C / 21°C | 16days (155 mm) Wet | 9.6h Good | 84% Humid | 8.5 Very High | Good | View Details |
| March | 26°C / 19°C | 29°C / 20°C | 17days (130 mm) Wet | 9.8h Good | 85% Humid | 7.7 Very High | Good | View Details |
| April best | 25°C / 17°C | 26°C / 17°C | 8days (58 mm) Wet | 9.2h Good | 83% Humid | 6.4 High | Excellent | View Details |
| May best | 23°C / 14°C | 23°C / 14°C | 6days (41 mm) Good | 8.7h Good | 79% Humid | 5.2 High | Excellent | View Details |
| June | 22°C / 13°C | 21°C / 12°C | 5days (47 mm) Good | 8.2h Good | 79% Humid | 4.7 Moderate | Excellent | View Details |
| July best | 22°C / 12°C | 21°C / 11°C | 2days (19 mm) Excellent | 9.1h Good | 75% Muggy | 4.8 Moderate | Excellent | View Details |
| August best | 23°C / 13°C | 22°C / 12°C | 6days (50 mm) Good | 8.7h Good | 76% Humid | 5.9 High | Excellent | View Details |
| September best | 26°C / 15°C | 26°C / 15°C | 6days (46 mm) Good | 9.6h Good | 75% Muggy | 7.3 Very High | Excellent | View Details |
| October | 25°C / 16°C | 27°C / 16°C | 15days (119 mm) Wet | 9h Good | 81% Humid | 7.1 Very High | Good | View Details |
| November | 25°C / 16°C | 27°C / 17°C | 14days (123 mm) Wet | 9.8h Good | 82% Humid | 8 Very High | Good | View Details |
| December | 26°C / 18°C | 29°C / 20°C | 18days (153 mm) Wet | 10.3h Excellent | 82% Humid | 8.6 Very High | Wet | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Cotia are April, May, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Cotia, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Cotia is February, with average daytime highs of 27°C (80°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Cotia is July, with average overnight lows of 12°C (53°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Cotia is January, averaging 216mm of precipitation across 22 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Cotia runs through January, December, March, February, with the heaviest rainfall in January. Based on 10-year averages for Cotia.
Cotia receives approximately 111 sunshine hours per year. The sunniest month is December with around 10 hours. Based on climate data for Cotia.
The least favorable months to visit Cotia are January, February, December, primarily due to heavy rainfall. For the best conditions, consider April, May, July, August, September instead.
The annual average UV index in Cotia is 7, classified as high. SPF 30+ sunscreen, sunglasses, and seeking shade between 10:00–16:00 are strongly recommended.
Average humidity in Cotia is 80%, classified as humid. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Average wind speeds in Cotia are 16 km/h (10 mph). The windiest month is October with peak winds reaching 18 km/h (11 mph) (gusts up to 40 km/h / 25 mph).
Cotia averages 3 clear-sky days per month with overall cloud cover around 63%. The clearest skies occur in July.
The annual average dew point in Cotia is 17°C (63°F), which feels noticeably humid. Summer months may feel slightly sticky, but conditions remain manageable for most people.
Cotia has a Humid Subtropical (dry winter) climate, classified as Cwa 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 Cotia ranges from 16°C (61°F) to 26°C (79°F) on average. The 'feels like' temperature closely matches the actual temperature throughout most of the year.
Yes, July is a great time to visit Cotia. It earns a climate score of 9/10 with Excellent.
For July in Cotia, pack Warm evening layer, Sunscreen (SPF 30+), Sunglasses, Comfortable walking shoes. With average highs of 22°C (71°F) and 2 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.
Last updated: