Riberalta in Winter
In winter (June, July and August), Riberalta sees average daytime highs around 31°C and overnight lows near 21°C, with 98 mm of rain over about 18 wet days across the season. It is the 2nd-warmest season and the driest season of the year.
Over the season highs climb from about 29°C in early June to 32°C by late August. The sky is clear or mostly clear about 58% of the time across winter, and the air most often feels oppressive.
Winter is Riberalta's best season of the year to visit on our travel score. For the whole year in context, see Riberalta's year-round climate.
- Avg daytime high
- 31°C
- 2nd-warmest season
- Avg overnight low
- 21°C
- Rainfall
- 98 mm
- 18 wet days
- Avg wind
- 6 km/h
- Travel score
- 5.4
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Riberalta in Winter
Over the season highs climb from about 29°C in early June to 32°C by late August.
A typical winter day in Riberalta reaches about 31°C and drops to 21°C overnight. The warmest of the three months is August, the coolest July.
How winter really feels in Riberalta
Once humidity and wind are folded in, winter brings about 79 days that feel above 32°C and 0 that feel at or below 0°C.
The story in winter is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Riberalta weather by month
How the three winter months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 30° / 23° | 269 | 27.7 | 12.6 | 2.9 |
| Feb | 30° / 23° | 258 | 25.2 | 12.4 | 2.8 |
| Mar | 30° / 23° | 255 | 27.9 | 12.1 | 2.8 |
| Apr | 30° / 23° | 174 | 23.3 | 11.8 | 3.3 |
| May | 29° / 22° | 81 | 15.7 | 11.5 | 4.5 |
| Jun | 30° / 21° | 34 | 7 | 11.4 | 5.7 |
| Jul | 30° / 20° | 24 | 4.8 | 11.4 | 5.8 |
| Aug | 32° / 21° | 40 | 6.3 | 11.6 | 4.7 |
| Sep | 32° / 23° | 84 | 13.7 | 11.9 | 3.6 |
| Oct | 32° / 23° | 159 | 20.8 | 12.2 | 3.0 |
| Nov | 31° / 23° | 222 | 23.6 | 12.5 | 2.9 |
| Dec | 30° / 23° | 261 | 27 | 12.6 | 2.8 |
Cloud cover in Winter
The sky is clear or mostly clear about 58% of the time across winter.
Chance of precipitation in Winter
Riberalta gets around 98 mm of rain over 18 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 6 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 11 h 24 min in early June to 11 h 48 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 4.8 kWh/m².
Hazard calendar for Riberalta
None of Riberalta's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Riberalta's rainy season runs October–April, when most of the year's rain falls.
Is winter a good time to visit Riberalta?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a reasonable time to visit Riberalta for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Riberalta in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Riberalta sees daytime highs around 31°C and nights near 21°C. Pack light clothes. Worth having: sun protection. About 18 days see rain.
UV index in Riberalta in Winter
Clear-sky midday UV across winter averages around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Riberalta peaks around January 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 12 at about 5 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 15 | 15 | 14 | 12 | 10 | 9 | 8 | 7 | 4 | 12 | 13 | 14 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | High | Moderate | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 15 | Extreme |
| Mar | 14 | Extreme |
| Apr | 12 | Extreme |
| May | 10 | Extreme |
| Jun | 9 | Very high |
| Jul | 8 | Very high |
| Aug | 7 | High |
| Sep | 4 | Moderate |
| Oct | 12 | Extreme |
| Nov | 13 | Extreme |
| Dec | 14 | Extreme |
Air quality in Riberalta in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.
Air quality in Riberalta is worst in September — around 58 µg/m³ PM2.5 (unhealthy), about 7.3× the cleanest month (May, 8 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 12 | 13 | 13 | 10 | 8 | 8 | 15 | 40 | 58 | 27 | 14 | 11 |
| Level | Moderate | Moderate | Moderate | Good | Good | Good | Moderate | Poor | Unhealthy | Moderate | Moderate | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 12 | Moderate |
| Feb | 13 | Moderate |
| Mar | 13 | Moderate |
| Apr | 10 | Good |
| May | 8 | Good |
| Jun | 8 | Good |
| Jul | 15 | Moderate |
| Aug | 40 | Poor |
| Sep | 58 | Unhealthy |
| Oct | 27 | Moderate |
| Nov | 14 | Moderate |
| Dec | 11 | Good |
Where is Riberalta?
Riberalta sits at 11.0°S, 66.1°W, 145 m above sea level, in Bolivia. The nearest listed city is Guayaramerín, 79 km away.
Topography around Riberalta
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Riberalta.
Within 3 km, the terrain around Riberalta has only modest variations in elevation — a maximum elevation change of 51 m around an average of 135 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 83 m; within 80 km, only modest variations in elevation — a maximum elevation change of 101 m.
The land around Riberalta is covered by artificial surfaces (41%), grassland (27%) and trees (21%) within 3 km, trees (71%) within 16 km, and trees (91%) within 80 km.
Bolivia travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / B / C
- 230 V · 50 Hz
- Prices
- ≈ 40% of US
- price level, 2025
- GDP per capita
- $5,148
- 2025
- Happiness
- 5.8 / 10
- World Happiness, 2025
- Homicide rate
- 4.4
- per 100k, 2023
- Road deaths
- 21.1
- per 100k/yr, 2019
- Income group
- Lower middle
- World Bank
- English
- Moderate
- EF EPI 521
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Riberalta (-11.0103°, -66.0526°, elevation 145 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.