Viacha in Fall
In fall (March, April and May), Viacha sees average daytime highs around 15°C and overnight lows near 2°C, with 156 mm of rain over about 41 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Across fall, daytime highs hold fairly steady around 15°C. The sky is clear or mostly clear about 29% of the time across fall, and the air most often feels dry.
Fall is Viacha's 3rd-best season to visit on our travel score. For the whole year in context, see Viacha's year-round climate.
- Avg daytime high
- 15°C
- 2nd-warmest season
- Avg overnight low
- 2°C
- Rainfall
- 156 mm
- 41 wet days
- Avg wind
- 5 km/h
- Travel score
- 4.3
- 3rd-best season
- Months
- Mar · Apr · May
Temperature in Viacha in Fall
Across fall, daytime highs hold fairly steady around 15°C.
A typical fall day in Viacha reaches about 15°C and drops to 2°C overnight. The warmest of the three months is May, the coolest May.
How fall really feels in Viacha
Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 31 that feel at or below 0°C.
The story in fall is cold — wind chill drags the overnight "feels like" below the raw low.
Viacha weather by month
How the three fall months (March, April and May) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 15° / 5° | 143 | 24.8 | 0.6 | 12.9 | 2.7 |
| Feb | 15° / 5° | 124 | 22.6 | 0.4 | 12.6 | 2.7 |
| Mar | 15° / 4° | 96 | 22.4 | 0.1 | 12.1 | 3.1 |
| Apr | 15° / 3° | 46 | 13.6 | 0.1 | 11.6 | 4.2 |
| May | 16° / 0° | 14 | 4.8 | 0.1 | 11.2 | 5.7 |
| Jun | 15° / -2° | 8 | 2.5 | 0.3 | 11 | 5.7 |
| Jul | 15° / -2° | 11 | 3 | 0.9 | 11.1 | 5.6 |
| Aug | 16° / -1° | 17 | 4.5 | 0.9 | 11.4 | 5.7 |
| Sep | 16° / 1° | 32 | 9.6 | 0.6 | 11.9 | 5.4 |
| Oct | 17° / 3° | 53 | 13.3 | 0.5 | 12.4 | 5.0 |
| Nov | 17° / 4° | 58 | 13.9 | 0.1 | 12.8 | 4.8 |
| Dec | 16° / 5° | 110 | 20.9 | 0.5 | 13 | 3.5 |
Cloud cover in Fall
The sky is clear or mostly clear about 29% of the time across fall.
Chance of precipitation in Fall
Viacha gets around 156 mm of rain over 41 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 5 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 24 min in early March to 11 h 06 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 6.0 kWh/m².
Hazard calendar for Viacha
In fall, Viacha overlaps 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.
Is fall a good time to visit Viacha?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a reasonable time to visit Viacha for sightseeing.
What to pack for Viacha in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Viacha sees daytime highs around 15°C and nights near 2°C. Pack rain gear and sun protection. Worth having: a warm layer. About 41 days see rain.
UV index in Viacha in Fall
Clear-sky midday UV across fall averages around 14 (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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 19 | 19 | 17 | 14 | 11 | 9 | 9 | 13 | 15 | 17 | 17 | 18 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 19 | Extreme |
| Feb | 19 | Extreme |
| Mar | 17 | Extreme |
| Apr | 14 | Extreme |
| May | 11 | Extreme |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 13 | Extreme |
| Sep | 15 | Extreme |
| Oct | 17 | Extreme |
| Nov | 17 | Extreme |
| Dec | 18 | Extreme |
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.
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.
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
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.