Arcadas, Brazil experiences average highs of 27°C (81°F) and lows of 17°C (63°F) throughout the year. Rainfall is moderate, averaging about 11 rainy days per month. Sunshine is abundant, averaging about 10 hours per day. Average highs have stayed broadly stable across the available records.
Arcadas, Brazil Weather & Climate 2026
Monthly climate averages for Arcadas, 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
8/10
Best: May, June, July, August, September
UV Index
7
High
Temperature 27°C / 17°C
Feels Like 29°C / 18°C
Rainy Days 11
Rainfall 103 mm
Sunshine 10 h
Humidity 71%
Wind Speed 14 km/h
Dew Point 17°C
Hottest Month
30°C
September
Avg Low18°C
Rain6days
Coldest Month
13°C
July
Avg High24°C
Rain2days
Driest Month
2days
July
Avg High24°C
Avg Low13°C
Windiest Month
16 km/h
October (Gusts 39)
Worst Time to Visit
Consider avoiding January due to heavy rainfall.
Sun Position
Sunrise 06:47
Daylight 10.7h
Sunset 17:32
Live conditions—
Arcadas on the map · live conditions
Arcadas, Brazil
- Continent
- Americas
- Country
- Brazil
- City
- Arcadas
- Population
- 11.6K
- Coordinates
- -22.72°, -46.85°
Seasonal Breakdown
Spring
Sep–Nov
Avg High 29°C
Avg Low 18°C
Rain 12 days/mo
1/3 best months
Summer
Dec–Feb
Avg High 29°C
Avg Low 20°C
Rain 19 days/mo
Autumn
Mar–May
Avg High 27°C
Avg Low 18°C
Rain 10 days/mo
1/3 best months
Winter
Jun–Aug
Avg High 25°C
Avg Low 14°C
Rain 4 days/mo
3/3 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: 29°C / 20°C . Feb: 28°C / 20°C . Mar: 28°C / 20°C . Apr: 27°C / 18°C . May: 25°C / 15°C . Jun: 24°C / 14°C . Jul: 24°C / 13°C . Aug: 26°C / 14°C . Sep: 30°C / 18°C . Oct: 29°C / 19°C . Nov: 28°C / 18°C . Dec: 29°C / 20°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 242 mm. Feb: 164 mm. Mar: 118 mm. Apr: 58 mm. May: 49 mm. Jun: 47 mm. Jul: 10 mm. Aug: 38 mm. Sep: 45 mm. Oct: 137 mm. Nov: 147 mm. Dec: 185 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 77%. Feb: 77%. Mar: 76%. Apr: 73%. May: 71%. Jun: 72%. Jul: 64%. Aug: 62%. Sep: 59%. Oct: 70%. Nov: 72%. Dec: 74%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 14 km/h . Feb: 13 km/h . Mar: 13 km/h . Apr: 13 km/h . May: 13 km/h . Jun: 12 km/h . Jul: 13 km/h . Aug: 15 km/h . Sep: 16 km/h . Oct: 16 km/h . Nov: 16 km/h . Dec: 15 km/h .
Sunshine
Sunshine
Sunshine: Jan: 10h. Feb: 10h. Mar: 10h. Apr: 10h. May: 9h. Jun: 9h. Jul: 10h. Aug: 9h. Sep: 10h. Oct: 10h. Nov: 10h. Dec: 10h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 9. Feb: UV 9. Mar: UV 8. Apr: UV 7. May: UV 6. Jun: UV 5. Jul: UV 6. Aug: UV 6. Sep: UV 8. Oct: UV 8. 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 39 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Feb 2025 · 30°C | Sep · 30°C |
| Coldest month | Jul 2025 · 12°C | Jul · 13°C |
| Wettest month | Jan 2025 · 217 mm | Jan · 242 mm |
| Windiest month | Sep 2025 · 18 km/h | Oct · 16 km/h |
Month-by-Month Weather Table
January
Wet 
February
Fair March
Good April
Excellent May best
Excellent June best
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 | 29°C / 20°C | 32°C / 22°C | 21days (242 mm) Wet | 9.7h Good | 77% Humid | 8.8 Very High | Wet | View Details |
| February | 28°C / 20°C | 32°C / 22°C | 17days (164 mm) Wet | 9.7h Good | 77% Humid | 8.6 Very High | Fair | View Details |
| March | 28°C / 20°C | 32°C / 22°C | 16days (118 mm) Wet | 10.1h Excellent | 76% Humid | 8 Very High | Good | View Details |
| April | 27°C / 18°C | 29°C / 19°C | 7days (58 mm) Good | 9.7h Good | 73% Muggy | 6.8 High | Excellent | View Details |
| May best | 25°C / 15°C | 25°C / 15°C | 6days (49 mm) Good | 9.1h Good | 71% Muggy | 5.6 High | Excellent | View Details |
| June best | 24°C / 14°C | 24°C / 13°C | 5days (47 mm) Good | 8.9h Good | 72% Muggy | 5 Moderate | Excellent | View Details |
| July best | 24°C / 13°C | 24°C / 12°C | 2days (10 mm) Excellent | 9.6h Good | 64% Muggy | 5.5 High | Excellent | View Details |
| August best | 26°C / 14°C | 26°C / 13°C | 5days (38 mm) Good | 9.3h Good | 62% Muggy | 6.4 High | Excellent | View Details |
| September best | 30°C / 18°C | 30°C / 17°C | 6days (45 mm) Good | 10.3h Excellent | 59% Moderate | 7.7 Very High | Excellent | View Details |
| October | 29°C / 19°C | 31°C / 19°C | 15days (137 mm) Wet | 9.8h Good | 70% Muggy | 8.3 Very High | Good | View Details |
| November | 28°C / 18°C | 31°C / 19°C | 15days (147 mm) Wet | 10.2h Excellent | 72% Muggy | 8.4 Very High | Good | View Details |
| December | 29°C / 20°C | 32°C / 22°C | 18days (185 mm) Wet | 10.2h Excellent | 74% Muggy | 8.8 Very High | Wet | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Arcadas are May, June, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Arcadas, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Arcadas is September, with average daytime highs of 30°C (85°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Arcadas is July, with average overnight lows of 13°C (55°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Arcadas is January, averaging 242mm of precipitation across 21 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Arcadas runs through January, December, February, March, with the heaviest rainfall in January. Based on 10-year averages for Arcadas.
Arcadas receives approximately 117 sunshine hours per year. The sunniest month is September with around 10 hours. Based on climate data for Arcadas.
The least favorable months to visit Arcadas are January, primarily due to heavy rainfall. For the best conditions, consider May, June, July, August, September instead.
The annual average UV index in Arcadas is 7, classified as high. SPF 30+ sunscreen, sunglasses, and seeking shade between 10:00–16:00 are strongly recommended.
Average humidity in Arcadas is 71%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Average wind speeds in Arcadas are 14 km/h (9 mph). The windiest month is October with peak winds reaching 16 km/h (10 mph) (gusts up to 39 km/h / 24 mph).
Arcadas averages 6 clear-sky days per month with overall cloud cover around 52%. The clearest skies occur in August.
The annual average dew point in Arcadas is 17°C (63°F), which feels noticeably humid. Summer months may feel slightly sticky, but conditions remain manageable for most people.
Arcadas has a Tropical Monsoon climate, classified as Am under the Köppen system. Tropical climates are warm year-round with high rainfall and temperatures rarely dropping below 18°C (64°F).
The 'feels like' temperature in Arcadas ranges from 18°C (64°F) to 29°C (84°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 Arcadas. It earns a climate score of 9.2/10 with Excellent.
For June in Arcadas, pack Sunscreen (SPF 30+), Sunglasses, Comfortable walking shoes. With average highs of 24°C (75°F) and 5 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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