Chuí, Brazil experiences average highs of 21°C (70°F) and lows of 15°C (59°F) throughout the year. Rainfall is moderate, averaging about 9 rainy days per month. Sunshine is abundant, averaging about 9 hours per day. Average highs have warmed by 1.1°C (2.0°F) across the available records.
Chuí, Brazil Weather & Climate 2026
Monthly climate averages for Chuí, Brazil. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: Sep At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
7.9/10
Best: January, February, March, November, December
UV Index
6
High
Temperature 21°C / 15°C
Feels Like 20°C / 13°C
Rainy Days 9
Rainfall 91 mm
Sunshine 9 h
Humidity 78%
Wind Speed 25 km/h
Dew Point 14°C
Hottest Month
26°C
January
Avg Low 20°C
Rain 9 days
Coldest Month
9°C
July
Avg High 15°C
Rain 8 days
Driest Month
7 days
November
Avg High 23°C
Avg Low 16°C
Windiest Month
27 km/h
October (Gusts 42)
Sea Temperature
12°C – 25°C
Warmest water: February (
25.2°C
)
Worst Time to Visit
Consider avoiding July due to less favorable weather conditions.
Sun Position
Sunrise 07:36
Daylight 10.1h
Sunset 17:44
Live conditions —
Chuí on the map · live conditions
Chuí, Brazil
- Continent
- Americas
- Country
- Brazil
- City
- Chuí
- Population
- 6.6K
- Coordinates
- -33.69°, -53.46°
Seasonal Breakdown
Spring
Sep–Nov
Avg High 20°C
Avg Low 14°C
Rain 9 days/mo
1/3 best months
Summer
Dec–Feb
Avg High 26°C
Avg Low 20°C
Rain 8 days/mo
3/3 best months
Autumn
Mar–May
Avg High 22°C
Avg Low 16°C
Rain 9 days/mo
1/3 best months
Winter
Jun–Aug
Avg High 16°C
Avg Low 10°C
Rain 8 days/mo
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 / 20°C . Feb: 26°C / 20°C . Mar: 25°C / 19°C . Apr: 22°C / 17°C . May: 18°C / 13°C . Jun: 16°C / 10°C . Jul: 15°C / 9°C . Aug: 16°C / 10°C . Sep: 17°C / 12°C . Oct: 20°C / 14°C . Nov: 23°C / 16°C . Dec: 25°C / 18°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 98 mm. Feb: 93 mm. Mar: 79 mm. Apr: 105 mm. May: 87 mm. Jun: 93 mm. Jul: 104 mm. Aug: 88 mm. Sep: 107 mm. Oct: 104 mm. Nov: 68 mm. Dec: 68 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 75%. Feb: 76%. Mar: 77%. Apr: 78%. May: 80%. Jun: 82%. Jul: 82%. Aug: 81%. Sep: 82%. Oct: 78%. Nov: 75%. Dec: 74%.
Monthly Wind Speed
Wind Speed Gusts
Bar chart showing monthly wind speed. Jan: 26 km/h . Feb: 25 km/h . Mar: 25 km/h . Apr: 25 km/h . May: 24 km/h . Jun: 24 km/h . Jul: 24 km/h . Aug: 25 km/h . Sep: 26 km/h . Oct: 27 km/h . Nov: 27 km/h . Dec: 27 km/h .
Sunshine
Sunshine
Sunshine: Jan: 12h. Feb: 11h. Mar: 10h. Apr: 8h. May: 7h. Jun: 7h. Jul: 7h. Aug: 8h. Sep: 8h. Oct: 9h. Nov: 11h. Dec: 12h.
Sea Temperature
Sea Temperature swim
Line chart showing monthly sea temperature. Jan: 24°C . Feb: 25°C . Mar: 25°C . Apr: 21°C . May: 18°C . Jun: 15°C . Jul: 12°C . Aug: 13°C . Sep: 14°C . Oct: 17°C . Nov: 20°C . Dec: 23°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 9. Feb: UV 8. Mar: UV 7. Apr: UV 5. May: UV 3. Jun: UV 3. Jul: UV 3. Aug: UV 4. Sep: UV 5. Oct: UV 7. Nov: UV 8. Dec: UV 8.
Monthly Daylight Hours
Daylight 12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Climate Trends
Average highs have warmed by 1.1°C (2.0°F) across the available records. Average rainfall is trending drier by about 29 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 · 8°C | Jul · 9°C |
| Wettest month | Apr 2025 · 130 mm | Sep · 107 mm |
| Windiest month | Oct 2025 · 28 km/h | Oct · 27 km/h |
Month-by-Month Weather Table
January best
Excellent 
February best
Excellent March best
Excellent April
Excellent May
Good June
Good July
Fair August
Good September
Good October
Good November best
Excellent December best
Excellent | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January best | 26°C / 20°C | 28°C / 21°C | 9days (98 mm) Wet | 11.8h Excellent | 75% Muggy | 8.5 Very High | Excellent | View Details |
| February best | 26°C / 20°C | 28°C / 21°C | 9days (93 mm) Wet | 10.9h Excellent | 76% Humid | 7.9 Very High | Excellent | View Details |
| March best | 25°C / 19°C | 26°C / 19°C | 9days (79 mm) Wet | 9.8h Good | 77% Humid | 6.5 High | Excellent | View Details |
| April | 22°C / 17°C | 21°C / 15°C | 9days (105 mm) Wet | 8.2h Good | 78% Humid | 4.6 Moderate | Excellent | View Details |
| May | 18°C / 13°C | 17°C / 11°C | 8days (87 mm) Wet | 7.3h Good | 80% Humid | 3.2 Moderate | Good | View Details |
| June | 16°C / 10°C | 14°C / 7°C | 9days (93 mm) Wet | 6.9h Fair | 82% Humid | 3 Moderate | Good | View Details |
| July | 15°C / 9°C | 13°C / 6°C | 8days (104 mm) Wet | 6.9h Fair | 82% Humid | 3.2 Moderate | Fair | View Details |
| August | 16°C / 10°C | 14°C / 7°C | 8days (88 mm) Wet | 7.7h Good | 81% Humid | 4.1 Moderate | Good | View Details |
| September | 17°C / 12°C | 16°C / 9°C | 10days (107 mm) Wet | 8h Good | 82% Humid | 4.8 Moderate | Good | View Details |
| October | 20°C / 14°C | 19°C / 11°C | 9days (104 mm) Wet | 9.4h Good | 78% Humid | 6.8 High | Good | View Details |
| November best | 23°C / 16°C | 23°C / 14°C | 7days (68 mm) Good | 11.1h Excellent | 75% Muggy | 7.8 Very High | Excellent | View Details |
| December best | 25°C / 18°C | 26°C / 17°C | 7days (68 mm) Good | 11.5h Excellent | 74% Muggy | 8.4 Very High | Excellent | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Chuí are January, February, March, November, December, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Chuí, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Chuí 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 Chuí is July, with average overnight lows of 9°C (48°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Chuí is September, averaging 107mm of precipitation across 10 rainy days. An umbrella or waterproof jacket is essential.
Chuí receives approximately 110 sunshine hours per year. The sunniest month is January with around 12 hours. Based on climate data for Chuí.
The least favorable months to visit Chuí are July, primarily due to less favorable weather conditions. For the best conditions, consider January, February, March, November, December instead.
The annual average UV index in Chuí is 6, classified as high. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Chuí is 78%, classified as humid. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes — sea temperatures in January, February, March, December average 24°C (75°F), which is warm and comfortable for swimming and water activities.
Average wind speeds in Chuí are 25 km/h (16 mph). The windiest month is October with peak winds reaching 27 km/h (17 mph) (gusts up to 42 km/h / 26 mph).
Chuí averages 5 clear-sky days per month with overall cloud cover around 53%. The clearest skies occur in November.
The annual average dew point in Chuí is 14°C (57°F), which feels pleasant with low humidity. Outdoor activities are comfortable year-round from a humidity standpoint.
Chuí 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 Chuí ranges from 13°C (55°F) to 20°C (68°F) on average. The 'feels like' temperature closely matches the actual temperature throughout most of the year.
July is not the best time to visit Chuí, with a climate score of 5.9/10. Consider visiting during January, February, March, November, December instead for better conditions.
For July in Chuí, pack Layered clothing, Light jacket, Umbrella, Comfortable walking shoes. With average highs of 15°C (59°F) and 8 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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