Riberalta weather in October

In October, Riberalta sees average daytime highs of 32°C and overnight lows near 23°C, with 159 mm of rain across 20.8 wet days and about 12.2 hours of daylight. It is the 2nd-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 12% of the time in October, and the air most often feels oppressive.

Daylight stretches from about 12 h 06 min at the start of October to 12 h 24 min by month's end. Set against the rest of the year, October is Riberalta's 6th-clearest and 7th-windiest month. For the whole year in context, see Riberalta's year-round climate.

Daytime high
32°
2nd warmest
Overnight low
23°
10th coldest
Rainfall
159 mm
20.8 wet days
Daylight
12 h 12 min
6:02 AM – 6:17 PM
Cloud cover
74%
6th clearest
Wind
6 km/h
7th windiest
Solar energy
5.5 kWh/m²
Travel score
3.0
out of 10

Riberalta is city of Bolivia.

Density
4,929/km²
people per km²
Founded
1897

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical October day in Riberalta reaches about 32°C in the afternoon and slips back to 23°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 34°C. Set against its neighbours, October runs on par with September and about 1°C warmer than November.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13223
23223
33223
43223
53223
63223
73223
83223
93223
103223
113223
123223
133223
143223
153223
163223
173223
183223
193223
203223
213223
223223
233223
243123
253123
263123
273123
283123
293123
303123
313123

How October really feels in Riberalta

Once humidity and wind are folded in, October averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in October is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Riberalta weather by month

How October compares with the rest of the year at a glance. October is the 2nd-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°26927.712.62.9
Feb30° / 23°25825.212.42.8
Mar30° / 23°25527.912.12.8
Apr30° / 23°17423.311.83.3
May29° / 22°8115.711.54.5
Jun30° / 21°34711.45.7
Jul30° / 20°244.811.45.8
Aug32° / 21°406.311.64.7
Sep32° / 23°8413.711.93.6
Oct32° / 23°15920.812.23.0
Nov31° / 23°22223.612.52.9
Dec30° / 23°2612712.62.8

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 16% of October, with mostly cloudy or overcast conditions the remaining 72%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24060
34060
44060
53862
63862
73862
83763
93664
103664
113565
123565
133367
143268
153268
162971
172872
182773
192674
202377
212278
222278
232080
241981
251981
261684
271684
281684
291684
301585
311585

Chance of precipitation in October

Any precipitation

Riberalta gets around 159 mm of rain over 20.8 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 66% and peaks near 75% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
159
259
360
460
560
660
761
861
961
1061
1162
1262
1362
1463
1563
1664
1765
1866
1967
2068
2169
2271
2372
2473
2574
2675
2775
2875
2975
3075
3175

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

Most of October feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, October lands in the oppressive band about 59% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11366723
21366723
31266724
41256725
51256725
61256626
71256527
81156528
91156429
101146430
110146431
120146332
130146134
140146035
150136036
160035938
170035839
180025741
190025642
200025543
210025444
220015445
230015346
240015346
250015346
260015346
270025147
280025147
290025147
300025147
310025147

Wind in October

Winds average 6 km/h in October.

Across October, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 06 min at the start of October to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over October. Sunrise moves from 6:10 AM to 5:56 AM, and sunset from 6:16 PM to 6:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:106:16
212.16:106:16
312.16:096:16
412.16:086:16
512.16:086:16
612.16:076:16
712.26:076:16
812.26:066:16
912.26:056:16
1012.26:056:16
1112.26:046:16
1212.26:046:16
1312.26:036:16
1412.26:036:17
1512.26:026:17
1612.26:026:17
1712.36:016:17
1812.36:016:17
1912.36:006:17
2012.36:006:17
2112.36:006:17
2212.35:596:18
2312.35:596:18
2412.35:586:18
2512.35:586:18
2612.35:586:18
2712.45:576:18
2812.45:576:19
2912.45:576:19
3012.45:566:19
3112.45:566:19

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.5 kWh/m².

For context, solar energy here swings from a low near 4.24 kWh/m² to a high of 5.61 kWh/m² in September across the year — October's 5.5 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in October

Hazard calendar for Riberalta

In seasonPeak

In October, Riberalta sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Riberalta's rainy season runs October–April, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is October a good time to visit Riberalta?

Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.0
Sightseeing
7th-best month of the year
4.8
Beach & pool
6th-best month of the year

October is a weaker month for outdoor sightseeing in Riberalta.

What to pack for Riberalta in October

From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In October, Riberalta sees daytime highs around 32°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

UV index in Riberalta in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 12 (very high — sun protection essential). 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighExtremeJan 22UV 15Sep 12UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr12Extreme
May10Extreme
Jun9Very high
Jul8Very high
Aug7High
Sep4Moderate
Oct12Extreme
Nov13Extreme
Dec14Extreme

Air quality in Riberalta in October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October 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).

0204060JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModeratePoorModerateSep 1455 µg/m³May 218 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb13Moderate
Mar13Moderate
Apr10Good
May8Good
Jun8Good
Jul15Moderate
Aug40Poor
Sep58Unhealthy
Oct27Moderate
Nov14Moderate
Dec11Good
Location & terrain

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.

Nova MamoréPlácido de CastroSenador GuiomardRio BrancoPorto AcreBuritis

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.

3 km
51 m
16 km
83 m
80 km
101 m
treesshrubsgrasslandartificial surfaceswaterwetland
October weather nearby: Guayaramerín 79 km · Guajará Mirim 82 km · Nova Mamoré 104 km · Plácido de Castro 145 km · Senador Guiomard 208 km · Rio Branco 224 km · Porto Acre 226 km · Buritis 259 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
Roman Catholic 65%Protestant 20%none 6%other 5%

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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).