Bacabal, Brazil experiences average highs of 32°C (90°F) and lows of 24°C (75°F) throughout the year. Rainfall is frequent, averaging about 13 rainy days per month. Sunshine is abundant, averaging about 10 hours per day. Average highs have stayed broadly stable across the available records.
Bacabal, Brazil Weather & Climate 2026
Monthly climate averages for Bacabal, Brazil. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jun–Nov 
Wetter season: Jan–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
3.4/10
Best: June, July
UV Index
8
High
Temperature 32°C / 24°C
Feels Like 37°C / 29°C
Rainy Days 13
Rainfall 115 mm
Sunshine 10 h
Humidity 74%
Wind Speed 12 km/h
Dew Point 23°C
Hottest Month
36°C
September
Avg Low25°C
Rain1days
Coldest Month
24°C
March
Avg High30°C
Rain29days
Driest Month
0days
August
Avg High34°C
Avg Low24°C
Windiest Month
15 km/h
October (Gusts 34)
Worst Time to Visit
Consider avoiding January, February, March, April due to extreme heat, heavy rainfall, oppressive humidity.
Sun Position
Sunrise 06:05
Daylight 11.9h
Sunset 17:57
Live conditions—
Bacabal on the map · live conditions
Bacabal, Brazil
- Continent
- Americas
- Country
- Brazil
- City
- Bacabal
- Population
- 103.7K
- Coordinates
- -4.23°, -44.78°
Seasonal Breakdown
Spring
Sep–Nov
Avg High 35°C
Avg Low 25°C
Rain 4 days/mo
Summer
Dec–Feb
Avg High 31°C
Avg Low 24°C
Rain 22 days/mo
Autumn
Mar–May
Avg High 30°C
Avg Low 24°C
Rain 23 days/mo
Winter
Jun–Aug
Avg High 33°C
Avg Low 24°C
Rain 2 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: 31°C / 24°C . Feb: 30°C / 24°C . Mar: 30°C / 24°C . Apr: 30°C / 24°C . May: 31°C / 24°C . Jun: 32°C / 24°C . Jul: 33°C / 24°C . Aug: 34°C / 24°C . Sep: 36°C / 25°C . Oct: 36°C / 26°C . Nov: 34°C / 25°C . Dec: 33°C / 25°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 249 mm. Feb: 259 mm. Mar: 326 mm. Apr: 233 mm. May: 94 mm. Jun: 25 mm. Jul: 10 mm. Aug: 3 mm. Sep: 4 mm. Oct: 15 mm. Nov: 48 mm. Dec: 111 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 84%. Feb: 86%. Mar: 88%. Apr: 87%. May: 83%. Jun: 74%. Jul: 65%. Aug: 60%. Sep: 58%. Oct: 60%. Nov: 65%. Dec: 73%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 10 km/h . Feb: 10 km/h . Mar: 9 km/h . Apr: 9 km/h . May: 10 km/h . Jun: 12 km/h . Jul: 13 km/h . Aug: 13 km/h . Sep: 14 km/h . Oct: 15 km/h . Nov: 13 km/h . Dec: 12 km/h .
Sunshine
Sunshine
Sunshine: Jan: 10h. Feb: 9h. Mar: 9h. Apr: 9h. May: 10h. Jun: 11h. Jul: 11h. Aug: 11h. Sep: 11h. Oct: 11h. Nov: 11h. Dec: 10h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 8. Feb: UV 8. Mar: UV 9. Apr: UV 8. May: UV 8. Jun: UV 7. Jul: UV 8. Aug: UV 8. Sep: UV 9. Oct: UV 9. Nov: UV 9. Dec: UV 8.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy
Climate Trends
Average highs have stayed broadly stable across the available records. Average rainfall is trending wetter by about 16 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Sep 2025 · 36°C | Sep · 36°C |
| Coldest month | Mar 2025 · 24°C | Mar · 24°C |
| Wettest month | Jan 2025 · 386 mm | Mar · 326 mm |
| Windiest month | Oct 2025 · 16 km/h | Oct · 15 km/h |
Month-by-Month Weather Table
January
Wet 
February
Wet March
Wet April
Wet May
Poor June best
Fair July best
Fair August
Fair September
Poor October
Poor November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 31°C / 24°C | 36°C / 29°C | 26days (249 mm) Wet | 9.5h Good | 84% Humid | 7.9 Very High | Wet | View Details |
| February | 30°C / 24°C | 36°C / 29°C | 25days (259 mm) Wet | 9h Good | 86% Very Muggy | 8 Very High | Wet | View Details |
| March | 30°C / 24°C | 36°C / 29°C | 29days (326 mm) Wet | 8.5h Good | 88% Very Muggy | 8.6 Very High | Wet | View Details |
| April | 30°C / 24°C | 36°C / 29°C | 25days (233 mm) Wet | 9.3h Good | 87% Very Muggy | 8.3 Very High | Wet | View Details |
| May | 31°C / 24°C | 36°C / 29°C | 15days (94 mm) Wet | 10.4h Excellent | 83% Humid | 7.8 Very High | Poor | View Details |
| June best | 32°C / 24°C | 35°C / 28°C | 4days (25 mm) Good | 10.8h Excellent | 74% Muggy | 7.4 Very High | Fair | View Details |
| July best | 33°C / 24°C | 35°C / 27°C | 2days (10 mm) Excellent | 10.8h Excellent | 65% Muggy | 7.6 Very High | Fair | View Details |
| August | 34°C / 24°C | 37°C / 28°C | 0days (3 mm) Excellent | 11.2h Excellent | 60% Moderate | 8.3 Very High | Fair | View Details |
| September | 36°C / 25°C | 39°C / 29°C | 1days (4 mm) Excellent | 11.3h Excellent | 58% Moderate | 8.8 Very High | Poor | View Details |
| October | 36°C / 26°C | 39°C / 29°C | 3days (15 mm) Excellent | 11.2h Excellent | 60% Moderate | 8.9 Very High | Poor | View Details |
| November | 34°C / 25°C | 39°C / 30°C | 7days (48 mm) Good | 11h Excellent | 65% Muggy | 8.5 Very High | Poor | View Details |
| December | 33°C / 25°C | 38°C / 30°C | 14days (111 mm) Wet | 10.4h Excellent | 73% Muggy | 7.6 Very High | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Bacabal are June, July, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Bacabal, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Bacabal is September, with average daytime highs of 36°C (96°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Bacabal is March, with average overnight lows of 24°C (74°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Bacabal is March, averaging 326mm of precipitation across 29 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Bacabal runs through March, January, February, April, with the heaviest rainfall in March. Based on 10-year averages for Bacabal.
Bacabal receives approximately 123 sunshine hours per year. The sunniest month is September with around 11 hours. Based on climate data for Bacabal.
The least favorable months to visit Bacabal are January, February, March, April, primarily due to extreme heat, heavy rainfall, oppressive humidity. For the best conditions, consider June, July instead.
The annual average UV index in Bacabal is 8, classified as high. SPF 30+ sunscreen, sunglasses, and seeking shade between 10:00–16:00 are strongly recommended.
Average humidity in Bacabal is 74%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Average wind speeds in Bacabal are 12 km/h (7 mph). The windiest month is October with peak winds reaching 15 km/h (9 mph) (gusts up to 34 km/h / 21 mph).
Bacabal averages 3 clear-sky days per month with overall cloud cover around 59%. The clearest skies occur in August.
The annual average dew point in Bacabal is 23°C (73°F), which feels muggy and uncomfortable. Expect heavy perspiration during warmer months — stay hydrated and take breaks in air-conditioned spaces.
Bacabal 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 Bacabal ranges from 29°C (84°F) to 37°C (99°F) on average. Humidity and radiant heat mean it often feels warmer than the thermometer reads, especially in summer months.
June is not the best time to visit Bacabal, with a climate score of 6/10. Consider visiting during June, July instead for better conditions.
For June in Bacabal, pack Breathable clothing, Sunscreen (SPF 30+), Sun hat, Sunglasses, Sandals. With average highs of 32°C (89°F) and 4 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: