Detailed weather forecast for Riberalta, Bolivia: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Riberalta
today☀️37°💧 0.6 mm
Sun🌧️35°💧 0.7 mm
Mon☁️31°💧 1 mm
Tue☁️38°💧 0.9 mm
Wed🌤️38°💧 0.5 mm
Thu🌧️38°💧 1.4 mm
Fri🌧️37°💧 0.9 mm
Sat🌧️39°💧 25.2 mm
Forecast vs 1991-2020 climate normal
How does the current forecast compare with normal?
We compare the coming days with weather usually observed at this time of year.
NASA POWER
Monday 7 Sept in Riberalta, the forecast high is 31°C. Typical daytime temperatures at this time of year range from 35°C to 38°C, so it will be exceptionally cool. It is cooler than 95% of similar days.
From 1981 to 2025, the 5-11 Sept period averaged 36°C by day. The coolest year was 1990 (32°C) and the warmest was 1997 (39°C). The current forecast averages 36°C - close to the historical median.
Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window. The typical range is the 20th-80th percentile. This is not a city weather-station reading and does not change the current forecast. NASA POWER Daily API.
14-day forecast - Riberalta
Riberalta 30 & 45-day weather - long-range outlook
Next 15 days · forecast
34°
around 25° at night · days with rain: 6
Weeks 3-4 · avg for September
34°
around 22° at night · rain chance 10%
Weeks 5-7 · avg for October
33°
around 22° at night · rain chance 18%
The 30 & 45-day outlook for Riberalta: the next 15 days are a numerical forecast updated daily - on average 34° by day and 25° at night. Further out we rely on multi-year climate averages: around 34° in September, and about 33° in October. Forecasts beyond two weeks are indicative only.
Day-by-day forecast for Riberalta
Saturday5 September 2026
☀️37°clear sky
sunrise 06:25 · sunset 18:21 · night 30° · evening 32° · rain 0.55 mm · humidity 20% · wind 2 m/s · clouds 2%
Sunday6 September 2026
🌧️35°light rain
sunrise 06:24 · sunset 18:21 · night 25° · evening 27° · rain 0.73 mm · humidity 26% · wind 4 m/s · clouds 4%
Monday7 September 2026
☁️31°broken clouds
sunrise 06:24 · sunset 18:21 · night 23° · evening 29° · rain 1.04 mm · humidity 25% · wind 3 m/s · clouds 62%
Tuesday8 September 2026
☁️38°broken clouds
sunrise 06:23 · sunset 18:21 · night 28° · evening 39° · rain 0.85 mm · humidity 20% · wind 1 m/s · clouds 57%
Wednesday9 September 2026
🌤️38°scattered clouds
sunrise 06:22 · sunset 18:21 · night 27° · evening 38° · rain 0.45 mm · humidity 24% · wind 2 m/s · clouds 43%
Thursday10 September 2026
🌧️38°light rain
sunrise 06:22 · sunset 18:21 · night 25° · evening 29° · rain 1.35 mm · humidity 30% · wind 2 m/s · clouds 16%
Friday11 September 2026
🌧️37°light rain
sunrise 06:21 · sunset 18:21 · night 25° · evening 38° · rain 0.87 mm · humidity 33% · wind 2 m/s · clouds 31%
Saturday12 September 2026
🌧️39°moderate rain
sunrise 06:21 · sunset 18:21 · night 20° · evening 24° · rain 25.23 mm · humidity 30% · wind 5 m/s · clouds 11%
Sunday13 September 2026
🌧️17°moderate rain
sunrise 06:20 · sunset 18:21 · night 15° · evening 16° · rain 15.42 mm · humidity 91% · wind 3 m/s · clouds 100%
Monday14 September 2026
🌤️27°scattered clouds
sunrise 06:19 · sunset 18:21 · night 21° · evening 29° · rain 0.84 mm · humidity 44% · wind 3 m/s · clouds 27%
Tuesday15 September 2026
🌤️32°scattered clouds
sunrise 06:19 · sunset 18:21 · night 25° · evening 34° · rain 0.18 mm · humidity 31% · wind 2 m/s · clouds 34%
Wednesday16 September 2026
☀️35°clear sky
sunrise 06:18 · sunset 18:20 · night 27° · evening 37° · rain 0.66 mm · humidity 27% · wind 2 m/s · clouds 4%
Thursday17 September 2026
☀️37°clear sky
sunrise 06:17 · sunset 18:20 · night 29° · evening 39° · rain 7.08 mm · humidity 27% · wind 2 m/s · clouds 5%
Friday18 September 2026
🌧️35°light rain
sunrise 06:17 · sunset 18:20 · night 25° · evening 36° · rain 0.18 mm · humidity 40% · wind 2 m/s · clouds 90%
Saturday19 September 2026
🌧️36°light rain
sunrise 06:16 · sunset 18:20 · night 25° · evening 37° · rain 1.68 mm · humidity 37% · wind 3 m/s · clouds 93%
UV index in Riberalta - is it safe to sunbathe?
Today the UV index in Riberalta is 9 (very high) - unprotected fair skin can burn in about 25 minutes. SPF 50, long sleeves and shade between 10:00 and 16:00.
Riberalta weather through the year
Warmest, driest months on average: June, July.
Upcoming public holidays in Bolivia: All Saints' Day — 2 November · Christmas Day — 25 December · New Year's Day — 1 January.