Viacha weather in October

In October, Viacha sees average daytime highs of 17°C and overnight lows near 3°C, with 53 mm of precipitation across 13.3 wet days and about 12.4 hours of daylight. It is the 2nd-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 17°C through the month. The sky is clear or mostly clear about 22% of the time in October, and the air most often feels dry.

Daylight stretches from about 12 h 06 min at the start of October to 12 h 36 min by month's end. Set against the rest of the year, October is Viacha's 7th-clearest and 3rd-windiest month. For the whole year in context, see Viacha's year-round climate.

Daytime high
17°
2nd warmest
Overnight low
7th coldest
Precipitation
53 mm
13.3 wet days
Daylight
12 h 24 min
6:07 AM – 6:30 PM
Cloud cover
63%
7th clearest
Wind
6 km/h
3rd windiest
Solar energy
7.31 kWh/m²
Travel score
5.0
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 October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 17°C through the month.

A typical October day in Viacha reaches about 17°C in the afternoon and slips back to 3°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 20°C. Set against its neighbours, October runs on par with September and on par with November.

-5°10°15°20°151015202531
Avg high (°C)Avg low (°C)
1172
2172
3172
4173
5173
6173
7173
8173
9173
10173
11173
12173
13173
14173
15173
16173
17173
18173
19173
20174
21174
22174
23174
24174
25174
26174
27174
28174
29174
30174
31174

How October really feels in Viacha

Once humidity and wind are folded in, October 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

October 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 October compares with the rest of the year at a glance. October is the 2nd-warmest and 6th-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 October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 20% of October, with mostly cloudy or overcast conditions the remaining 59%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15644
25545
35446
45446
55347
65248
75149
85050
94951
104753
114654
124555
134357
144258
154060
163961
173763
183664
193664
203565
213565
223367
233367
243367
253367
263268
273367
283367
293268
303367
313268

Chance of precipitation in October

Any precipitationSnow

Viacha gets around 53 mm of rain and snow over 13.3 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 43% and peaks near 45% on the wettest days, and about 1 day brings snow.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
1382
2382
3392
4392
5392
6402
7402
8412
9422
10422
11432
12442
13442
14452
15452
16451
17451
18451
19451
20451
21451
22451
23451
24451
25441
26441
27441
28431
29431
30431
31421

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October 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 October

Winds average 6 km/h in October.

Across October, 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 October

DaylightNight

Daylight runs from about 12 h 06 min at the start of October to 12 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over October. Sunrise moves from 6:18 AM to 5:59 AM, and sunset from 6:27 PM to 6:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:186:27
212.26:176:27
312.26:166:27
412.26:156:27
512.26:156:27
612.26:146:27
712.26:136:28
812.36:126:28
912.36:126:28
1012.36:116:28
1112.36:106:28
1212.36:096:29
1312.36:096:29
1412.46:086:29
1512.46:076:29
1612.46:076:30
1712.46:066:30
1812.46:056:30
1912.46:056:31
2012.46:046:31
2112.56:046:31
2212.56:036:31
2312.56:036:32
2412.56:026:32
2512.56:026:32
2612.56:016:33
2712.56:016:33
2812.66:006:34
2912.66:006:34
3012.65:596:34
3112.65:596:35

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 7.31 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 — October's 7.31 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.2Intense
27.2Intense
37.2Intense
47.3Intense
57.3Intense
67.3Intense
77.3Intense
87.3Intense
97.3Intense
107.3Intense
117.3Intense
127.3Intense
137.3Intense
147.3Intense
157.3Intense
167.3Intense
177.3Intense
187.3Intense
197.3Intense
207.3Intense
217.3Intense
227.3Intense
237.3Intense
247.4Intense
257.4Intense
267.4Intense
277.4Intense
287.4Intense
297.4Intense
307.5Intense
317.5Intense
Planning a trip in October

Hazard calendar for Viacha

In seasonPeak

None of Viacha's seasonal hazards are active in October. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

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 October a good time to visit Viacha?

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

5.0
Sightseeing
6th-best month of the year
Beach & pool
never really warm enough

October is a reasonable time to visit Viacha for sightseeing.

What to pack for Viacha in October

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

In October, Viacha sees daytime highs around 17°C and nights near 3°C. Pack sun protection. Worth having: a warm layer and rain gear. About 13 days see rain.

sun protectiona warm layerrain gear

UV index in Viacha in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 17 (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
October 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).