Viacha weather in January

In January, Viacha sees average daytime highs of 15°C and overnight lows near 5°C, with 143 mm of precipitation across 24.8 wet days and about 12.9 hours of daylight. It is the 11th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 15°C through the month. The sky is clear or mostly clear about 2% of the time in January, and the air most often feels dry.

Daylight stretches from about 13 hours at the start of January to 12 h 42 min by month's end. Set against the rest of the year, January is Viacha's 12th-clearest and 9th-windiest month. For the whole year in context, see Viacha's year-round climate.

Daytime high
15°
11th warmest
Overnight low
12th coldest
Precipitation
143 mm
24.8 wet days
Daylight
12 h 54 min
6:16 AM – 7:09 PM
Cloud cover
87%
12th clearest
Wind
6 km/h
9th windiest
Solar energy
6.34 kWh/m²
Travel score
2.7
out of 10

Viacha is city in Bolivia.

Density
18,344/km²
people per km²

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 15°C through the month.

A typical January day in Viacha reaches about 15°C in the afternoon and slips back to 5°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 17°C. Set against its neighbours, January runs about 1°C cooler than December and on par with February.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1155
2155
3155
4155
5155
6155
7155
8155
9155
10155
11155
12155
13155
14155
15155
16145
17145
18145
19145
20145
21145
22155
23155
24155
25155
26155
27155
28155
29155
30155
31155

How January really feels in Viacha

Once humidity and wind are folded in, January averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

January sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Viacha weather by month

How January compares with the rest of the year at a glance. January is the 11th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan15° / 14324.80.612.92.7
Feb15° / 12422.60.412.62.7
Mar15° / 9622.40.112.13.1
Apr15° / 4613.60.111.64.2
May16° / 144.80.111.25.7
Jun15° / -2°82.50.3115.7
Jul15° / -2°1130.911.15.6
Aug16° / -1°174.50.911.45.7
Sep16° / 329.60.611.95.4
Oct17° / 5313.30.512.45.0
Nov17° / 5813.90.112.84.8
Dec16° / 11020.90.5133.5

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 7% of January, with mostly cloudy or overcast conditions the remaining 92%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1694
2694
3694
4694
5793
6793
7793
8793
9793
10793
11793
12793
13793
14793
15793
16892
17892
18892
19991
20991
21991
22991
231090
241090
251090
261189
271189
281189
291189
301189
311189

Chance of precipitation in January

Any precipitationSnow

Viacha gets around 143 mm of rain and snow over 24.8 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 precipitation averages around 80% and peaks near 81% on the wettest days, and about 1 day brings snow.

0%20%40%60%80%151015202531
Rain chance (%)Snow chance (%)
1812
2812
3802
4802
5802
6802
7792
8792
9792
10792
11792
12792
13792
14792
15792
16792
17792
18802
19802
20802
21802
22802
23802
24802
25802
26802
27802
28801
29801
30811
31811

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

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 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 January

DaylightNight

Daylight runs from about 13 hours at the start of January to 12 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over January. Sunrise moves from 6:07 AM to 6:24 AM, and sunset from 7:06 PM to 7:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.06:077:06
213.06:087:06
313.06:087:06
413.06:097:07
513.06:097:07
613.06:107:07
713.06:107:08
812.96:117:08
912.96:127:08
1012.96:127:08
1112.96:137:08
1212.96:137:09
1312.96:147:09
1412.96:157:09
1512.96:157:09
1612.96:167:09
1712.96:167:09
1812.96:177:09
1912.96:177:10
2012.96:187:10
2112.96:197:10
2212.86:197:10
2312.86:207:10
2412.86:207:10
2512.86:217:10
2612.86:217:10
2712.86:227:09
2812.86:227:09
2912.86:237:09
3012.86:247:09
3112.76:247:09

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.34 kWh/m².

For context, solar energy here swings from a low near 5.44 kWh/m² to a high of 7.44 kWh/m² in November across the year — January's 6.34 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.3Intense
156.3Intense
166.3Intense
176.3Intense
186.3Intense
196.3Intense
206.4Intense
216.4Intense
226.4Intense
236.4Intense
246.4Intense
256.4Intense
266.4Intense
276.4Intense
286.4Intense
296.4Intense
306.4Intense
316.4Intense
Planning a trip in January

Hazard calendar for Viacha

In seasonPeak

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

Viacha's rainy season runs December–March, 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 Viacha?

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

2.7
Sightseeing
11th-best month of the year
Beach & pool
never really warm enough

January is a weaker month for outdoor sightseeing in Viacha.

What to pack for Viacha in January

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

In January, Viacha sees daytime highs around 15°C and nights near 5°C. Pack rain gear and sun protection. Worth having: a warm layer. About 25 days see rain.

rain gearsun protectiona warm layer

UV index in Viacha in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 19 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Viacha peaks around February 8 at about 19 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 9 at about 9 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 8UV 19Jul 9UV 9
UV index (midday)Level
Jan19Extreme
Feb19Extreme
Mar17Extreme
Apr14Extreme
May11Extreme
Jun9Very high
Jul9Very high
Aug13Extreme
Sep15Extreme
Oct17Extreme
Nov17Extreme
Dec18Extreme
Location & terrain

Where is Viacha?

Viacha sits at 16.6°S, 68.3°W, 3,870 m above sea level, in Bolivia. The nearest listed city is Laja, 16 km away.

CopacabanaSorataIsla del SolCaranavi

Topography around Viacha

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Viacha.

Within 3 km, the terrain around Viacha has only modest variations in elevation — a maximum elevation change of 115 m around an average of 3,856 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 360 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,498 m.

The land around Viacha is covered by cropland (45%) and grassland (36%) within 3 km, grassland (43%) and cropland (43%) within 16 km, and grassland (65%) within 80 km.

3 km
115 m
16 km
360 m
80 km
5,498 m
treesgrasslandcroplandartificial surfacesbare terrainsnow and icewaterwetland
January weather nearby: Laja 16 km · Achocalla 18 km · La Paz 23 km · Tiahuanaco 42 km · Copacabana 99 km · Sorata 104 km · Isla del Sol 113 km · Caranavi 120 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 Viacha (-16.65°, -68.3°, elevation 3,870 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).