Belém, Brazil experiences average highs of 29°C (84°F) and lows of 21°C (70°F) throughout the year. Rainfall is frequent, averaging about 14 rainy days per month. Sunshine is abundant, averaging about 10 hours per day. High humidity combined with warm temperatures produces a tropical feel year-round. Average highs have stayed broadly stable across the available records.
Belém, Brazil Weather & Climate 2026
Monthly climate averages for Belém, Brazil. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: Mar–Aug At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
6.6/10
Best: August, September
UV Index
7
High
Temperature 29°C / 21°C
Feels Like 31°C / 24°C
Rainy Days 14
Rainfall 60 mm
Sunshine 10 h
Humidity 78%
Wind Speed 16 km/h
Dew Point 21°C
Hottest Month
31°C
December
Avg Low 22°C
Rain 6 days
Coldest Month
19°C
August
Avg High 26°C
Rain 18 days
Driest Month
5 days
November
Avg High 31°C
Avg Low 22°C
Windiest Month
17 km/h
December (Gusts 38)
Worst Time to Visit
Consider avoiding February, March due to frequent rain, oppressive humidity.
Sun Position
Sunrise 05:44
Daylight 11.6h
Sunset 17:21
Live conditions —
Belém on the map · live conditions
Belém, Brazil
- Continent
- Americas
- Country
- Brazil
- City
- Belém
- Population
- 4.8K
- Coordinates
- -9.57°, -36.49°
Seasonal Breakdown
Spring
Sep–Nov
Avg High 29°C
Avg Low 21°C
Rain 9 days/mo
1/3 best months
Summer
Dec–Feb
Avg High 31°C
Avg Low 22°C
Rain 9 days/mo
Autumn
Mar–May
Avg High 29°C
Avg Low 22°C
Rain 17 days/mo
Winter
Jun–Aug
Avg High 25°C
Avg Low 20°C
Rain 21 days/mo
1/3 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: 31°C / 22°C . Feb: 31°C / 23°C . Mar: 31°C / 23°C . Apr: 29°C / 22°C . May: 28°C / 21°C . Jun: 26°C / 20°C . Jul: 25°C / 19°C . Aug: 26°C / 19°C . Sep: 27°C / 20°C . Oct: 29°C / 21°C . Nov: 31°C / 22°C . Dec: 31°C / 22°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 43 mm. Feb: 32 mm. Mar: 85 mm. Apr: 79 mm. May: 100 mm. Jun: 112 mm. Jul: 97 mm. Aug: 65 mm. Sep: 43 mm. Oct: 19 mm. Nov: 26 mm. Dec: 20 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 73%. Feb: 74%. Mar: 76%. Apr: 79%. May: 83%. Jun: 86%. Jul: 84%. Aug: 81%. Sep: 79%. Oct: 74%. Nov: 71%. Dec: 71%.
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: 14 km/h . May: 13 km/h . Jun: 14 km/h . Jul: 15 km/h . Aug: 16 km/h . Sep: 16 km/h . Oct: 17 km/h . Nov: 17 km/h . Dec: 17 km/h .
Sunshine
Sunshine
Sunshine: Jan: 11h. Feb: 11h. Mar: 10h. Apr: 10h. May: 9h. Jun: 9h. Jul: 9h. Aug: 10h. Sep: 10h. Oct: 11h. Nov: 11h. Dec: 11h.
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 5. Aug: UV 6. Sep: UV 7. Oct: UV 9. Nov: UV 9. Dec: UV 9.
Monthly Daylight Hours
Daylight 12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Month-by-Month Weather Table
January
Fair 
February
Fair March
Poor April
Fair May
Wet June
Wet July
Wet August best
Excellent September best
Excellent October
Good November
Good December
Fair | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 31°C / 22°C | 34°C / 26°C | 11days (43 mm) Wet | 10.6h Excellent | 73% Muggy | 8.6 Very High | Fair | View Details |
| February | 31°C / 23°C | 34°C / 26°C | 10days (32 mm) Wet | 10.8h Excellent | 74% Muggy | 8.7 Very High | Fair | View Details |
| March | 31°C / 23°C | 34°C / 26°C | 15days (85 mm) Wet | 10.3h Excellent | 76% Humid | 8.1 Very High | Poor | View Details |
| April | 29°C / 22°C | 33°C / 26°C | 16days (79 mm) Wet | 10h Excellent | 79% Humid | 7.2 Very High | Fair | View Details |
| May | 28°C / 21°C | 30°C / 25°C | 21days (100 mm) Wet | 8.9h Good | 83% Humid | 5.8 High | Wet | View Details |
| June | 26°C / 20°C | 28°C / 23°C | 22days (112 mm) Wet | 8.6h Good | 86% Very Muggy | 5.2 High | Wet | View Details |
| July | 25°C / 19°C | 27°C / 21°C | 23days (97 mm) Wet | 8.7h Good | 84% Humid | 5.4 High | Wet | View Details |
| August best | 26°C / 19°C | 27°C / 21°C | 18days (65 mm) Wet | 9.5h Good | 81% Humid | 6.4 High | Excellent | View Details |
| September best | 27°C / 20°C | 28°C / 22°C | 14days (43 mm) Wet | 10.2h Excellent | 79% Humid | 7.3 Very High | Excellent | View Details |
| October | 29°C / 21°C | 31°C / 23°C | 8days (19 mm) Wet | 11h Excellent | 74% Muggy | 8.6 Very High | Good | View Details |
| November | 31°C / 22°C | 33°C / 24°C | 5days (26 mm) Good | 11.1h Excellent | 71% Muggy | 9.2 Very High | Good | View Details |
| December | 31°C / 22°C | 34°C / 25°C | 6days (20 mm) Good | 11h Excellent | 71% Muggy | 9 Very High | Fair | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Belém are August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Belém, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Belém is December, with average daytime highs of 31°C (88°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Belém is August, with average overnight lows of 19°C (66°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Belém is June, averaging 112mm of precipitation across 22 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Belém runs through July, June, May, August, with the heaviest rainfall in July. Based on 10-year averages for Belém.
Belém receives approximately 121 sunshine hours per year. The sunniest month is November with around 11 hours. Based on climate data for Belém.
The least favorable months to visit Belém are February, March, primarily due to frequent rain, oppressive humidity. For the best conditions, consider August, September instead.
The annual average UV index in Belém is 7, classified as high. SPF 30+ sunscreen, sunglasses, and seeking shade between 10:00–16:00 are strongly recommended.
Average humidity in Belém is 78%, classified as humid. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Average wind speeds in Belém are 16 km/h (10 mph). The windiest month is December with peak winds reaching 17 km/h (11 mph) (gusts up to 38 km/h / 24 mph).
Belém averages 1 clear-sky days per month with overall cloud cover around 64%. The clearest skies occur in October.
The annual average dew point in Belém is 21°C (70°F), which feels muggy and uncomfortable. Expect heavy perspiration during warmer months — stay hydrated and take breaks in air-conditioned spaces.
Belém 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 Belém ranges from 24°C (75°F) to 31°C (88°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 Belém, with a climate score of 7.4/10. Consider visiting during August, September instead for better conditions.
For July in Belém, pack Umbrella, Waterproof jacket, Waterproof shoes, Breathable clothing, Sunscreen (SPF 30+). With average highs of 25°C (77°F) and 23 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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