Riberalta, Bolivia experiences average highs of 31°C (88°F) and lows of 23°C (73°F) throughout the year. Rainfall is frequent, averaging about 17 rainy days per month. Sunshine is abundant, averaging about 9 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.
Riberalta, Bolivia Weather & Climate 2026
Monthly climate averages for Riberalta, Bolivia. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: May–Oct 
Wetter season: Jan–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
3.5/10
Best: June, July, August
UV Index
8
High
Temperature 31°C / 23°C
Feels Like 36°C / 27°C
Rainy Days 17
Rainfall 150 mm
Sunshine 9 h
Humidity 81%
Wind Speed 9 km/h
Dew Point 23°C
Hottest Month
34°C
September
Avg Low24°C
Rain9days
Coldest Month
21°C
July
Avg High32°C
Rain2days
Driest Month
2days
July
Avg High32°C
Avg Low21°C
Windiest Month
10 km/h
August (Gusts 26)
Worst Time to Visit
Consider avoiding January, February, October, December due to extreme heat, heavy rainfall, oppressive humidity.
Sun Position
Sunrise 06:42
Daylight 11.5h
Sunset 18:10
Live conditions—
Riberalta on the map · live conditions
Riberalta, Bolivia
- Continent
- Americas
- Country
- Bolivia
- City
- Riberalta
- Population
- 99.1K
- Coordinates
- -11.01°, -66.05°
Seasonal Breakdown
Spring
Sep–Nov
Avg High 33°C
Avg Low 24°C
Rain 16 days/mo
Summer
Dec–Feb
Avg High 30°C
Avg Low 24°C
Rain 26 days/mo
Autumn
Mar–May
Avg High 29°C
Avg Low 23°C
Rain 21 days/mo
Winter
Jun–Aug
Avg High 31°C
Avg Low 21°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: 30°C / 24°C . Feb: 30°C / 24°C . Mar: 30°C / 24°C . Apr: 30°C / 23°C . May: 29°C / 22°C . Jun: 29°C / 21°C . Jul: 32°C / 21°C . Aug: 33°C / 22°C . Sep: 34°C / 24°C . Oct: 33°C / 24°C . Nov: 31°C / 24°C . Dec: 30°C / 24°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 278 mm. Feb: 267 mm. Mar: 263 mm. Apr: 169 mm. May: 76 mm. Jun: 30 mm. Jul: 7 mm. Aug: 38 mm. Sep: 56 mm. Oct: 129 mm. Nov: 205 mm. Dec: 278 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 88%. Feb: 89%. Mar: 89%. Apr: 89%. May: 86%. Jun: 81%. Jul: 69%. Aug: 66%. Sep: 71%. Oct: 78%. Nov: 84%. Dec: 87%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 10 km/h . Feb: 9 km/h . Mar: 9 km/h . Apr: 9 km/h . May: 9 km/h . Jun: 9 km/h . Jul: 9 km/h . Aug: 10 km/h . Sep: 10 km/h . Oct: 10 km/h . Nov: 10 km/h . Dec: 10 km/h .
Sunshine
Sunshine
Sunshine: Jan: 9h. Feb: 8h. Mar: 8h. Apr: 9h. May: 10h. Jun: 10h. Jul: 11h. Aug: 11h. Sep: 11h. Oct: 10h. Nov: 9h. Dec: 9h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 8. Feb: UV 8. Mar: UV 8. Apr: UV 7. May: UV 7. Jun: UV 7. Jul: UV 7. Aug: UV 8. Sep: UV 8. Oct: UV 9. Nov: UV 8. 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 has remained broadly steady.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Sep 2025 · 33°C | Sep · 34°C |
| Coldest month | Jul 2025 · 20°C | Jul · 21°C |
| Wettest month | Mar 2025 · 333 mm | Jan · 278 mm |
| Windiest month | Aug 2025 · 11 km/h | Aug · 10 km/h |
Month-by-Month Weather Table
January
Wet 
February
Wet March
Wet April
Wet May
Fair June best
Good July best
Good August best
Fair September
Poor October
Poor November
Wet December
Wet | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 30°C / 24°C | 36°C / 28°C | 26days (278 mm) Wet | 8.6h Good | 88% Very Muggy | 7.5 Very High | Wet | View Details |
| February | 30°C / 24°C | 36°C / 28°C | 26days (267 mm) Wet | 8.2h Good | 89% Very Muggy | 7.7 Very High | Wet | View Details |
| March | 30°C / 24°C | 36°C / 28°C | 27days (263 mm) Wet | 8h Good | 89% Very Muggy | 7.6 Very High | Wet | View Details |
| April | 30°C / 23°C | 36°C / 28°C | 23days (169 mm) Wet | 8.8h Good | 89% Very Muggy | 7.3 Very High | Wet | View Details |
| May | 29°C / 22°C | 35°C / 26°C | 13days (76 mm) Wet | 9.6h Good | 86% Very Muggy | 7 High | Fair | View Details |
| June best | 29°C / 21°C | 33°C / 24°C | 5days (30 mm) Good | 9.8h Good | 81% Humid | 6.6 High | Good | View Details |
| July best | 32°C / 21°C | 34°C / 23°C | 2days (7 mm) Excellent | 10.7h Excellent | 69% Muggy | 6.9 High | Good | View Details |
| August best | 33°C / 22°C | 36°C / 24°C | 5days (38 mm) Good | 10.5h Excellent | 66% Muggy | 7.6 Very High | Fair | View Details |
| September | 34°C / 24°C | 39°C / 27°C | 9days (56 mm) Wet | 10.5h Excellent | 71% Muggy | 8.3 Very High | Poor | View Details |
| October | 33°C / 24°C | 38°C / 29°C | 17days (129 mm) Wet | 9.9h Good | 78% Humid | 8.5 Very High | Poor | View Details |
| November | 31°C / 24°C | 37°C / 28°C | 22days (205 mm) Wet | 9.1h Good | 84% Humid | 7.9 Very High | Wet | View Details |
| December | 30°C / 24°C | 36°C / 28°C | 25days (278 mm) Wet | 8.6h Good | 87% Very Muggy | 7.6 Very High | Wet | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Riberalta are June, July, August, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Riberalta, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Riberalta is September, with average daytime highs of 34°C (93°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Riberalta is July, with average overnight lows of 21°C (69°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Riberalta is January, averaging 278mm of precipitation across 26 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Riberalta runs through March, January, February, December, with the heaviest rainfall in March. Based on 10-year averages for Riberalta.
Riberalta receives approximately 112 sunshine hours per year. The sunniest month is July with around 11 hours. Based on climate data for Riberalta.
The least favorable months to visit Riberalta are January, February, October, December, primarily due to extreme heat, heavy rainfall, oppressive humidity. For the best conditions, consider June, July, August instead.
The annual average UV index in Riberalta is 8, classified as high. SPF 30+ sunscreen, sunglasses, and seeking shade between 10:00–16:00 are strongly recommended.
Average humidity in Riberalta is 81%, classified as humid. High humidity makes warm temperatures feel significantly hotter — lightweight, breathable clothing is recommended.
Average wind speeds in Riberalta are 9 km/h (6 mph). The windiest month is August with peak winds reaching 10 km/h (6 mph) (gusts up to 26 km/h / 16 mph).
Riberalta averages 4 clear-sky days per month with overall cloud cover around 68%. The clearest skies occur in July.
The annual average dew point in Riberalta 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.
Riberalta 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 Riberalta ranges from 27°C (81°F) to 36°C (97°F) on average. Humidity and radiant heat mean it often feels warmer than the thermometer reads, especially in summer months.
Yes, June is a great time to visit Riberalta. It earns a climate score of 7.4/10 with Good.
For June in Riberalta, pack Breathable clothing, Sunscreen (SPF 30+), Sun hat, Sunglasses, Comfortable walking shoes. With average highs of 29°C (85°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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