Riberalta weather in January

In January, Riberalta sees average daytime highs of 30°C and overnight lows near 23°C, with 269 mm of rain across 27.7 wet days and about 12.6 hours of daylight. It is the 9th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 1% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 12 h 36 min at the start of January to 12 h 30 min by month's end. Set against the rest of the year, January is Riberalta's 11th-clearest and 5th-windiest month. For the whole year in context, see Riberalta's year-round climate.

Daytime high
30°
9th warmest
Overnight low
23°
12th coldest
Rainfall
269 mm
27.7 wet days
Daylight
12 h 36 min
6:16 AM – 6:51 PM
Cloud cover
88%
11th clearest
Wind
6 km/h
5th windiest
Solar energy
4.86 kWh/m²
Travel score
2.9
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 January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical January day in Riberalta reaches about 30°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 32°C. Set against its neighbours, January runs on par with December and on par with February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13023
23023
33023
43023
53023
63023
73023
83023
93023
103023
113023
123023
133023
143023
153023
163023
173023
183023
193023
203023
213023
223023
233023
243023
253023
263023
273023
283023
293023
303023
313023

How January really feels in Riberalta

Once humidity and wind are folded in, January 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 January is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Riberalta weather by month

How January compares with the rest of the year at a glance. January is the 9th-warmest and 1st-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 5% of January, with mostly cloudy or overcast conditions the remaining 94%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1694
2694
3694
4694
5595
6595
7595
8595
9595
10595
11595
12595
13595
14793
15793
16793
17793
18793
19793
20892
21892
22892
23892
24892
25892
26892
27793
28793
29694
30694
31694

Chance of precipitation in January

Any precipitation

Riberalta gets around 269 mm of rain over 27.7 wet days in January, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 89% and peaks near 90% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
187
287
387
487
587
688
788
889
989
1089
1190
1290
1390
1490
1590
1690
1790
1890
1990
2090
2190
2289
2389
2489
2589
2689
2789
2889
2989
3089
3189

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the oppressive band about 55% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
15743
25743
35743
45743
55743
65743
75842
85842
95842
105842
115743
125743
135644
145644
155545
165545
175446
185446
195347
205347
215248
225248
235248
245248
255248
265248
275248
285248
295248
305347
315347

Wind in January

Winds average 6 km/h in January.

Across January, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
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 January

DaylightNight

Daylight runs from about 12 h 36 min at the start of January to 12 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over January. Sunrise moves from 6:08 AM to 6:23 AM, and sunset from 6:46 PM to 6:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.66:086:46
212.66:096:47
312.66:096:47
412.66:106:48
512.66:106:48
612.66:116:48
712.66:116:49
812.66:126:49
912.66:136:49
1012.66:136:49
1112.66:146:50
1212.66:146:50
1312.66:156:50
1412.66:156:50
1512.66:166:51
1612.66:166:51
1712.66:176:51
1812.66:176:51
1912.66:186:51
2012.66:186:52
2112.66:196:52
2212.56:196:52
2312.56:196:52
2412.56:206:52
2512.56:206:52
2612.56:216:52
2712.56:216:52
2812.56:226:52
2912.56:226:52
3012.56:236:52
3112.56:236:52

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.86 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 — January's 4.86 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
224.9Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
304.9Bright
314.9Bright
Planning a trip in January

Hazard calendar for Riberalta

In seasonPeak

In January, 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 January a good time to visit Riberalta?

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

2.9
Sightseeing
8th-best month of the year
3.9
Beach & pool
10th-best month of the year

January is a weaker month for outdoor sightseeing in Riberalta.

What to pack for Riberalta in January

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

In January, Riberalta sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 28 days see rain.

light clothesrain gearsun protection

UV index in Riberalta in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 15 (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 January

GoodModeratePoorUnhealthyVery unhealthy

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