Climate averages 1991–2020
Viacha weather
in August.
A cool, fairly dry month: the 5th warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a cool month in Viacha: daytime highs average 14.5°C and nights cool to about -0.7°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 16 mm of rain on roughly 5 days, which makes August a fairly dry month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 33 min on an average August day.
The nearest other city in this atlas is La Paz (23 km away). In August its highs average 13.7°C, 0.8°C cooler than Viacha, with 21 mm of rain.
Among the 14 cities listed in Bolivia, Viacha ranks 12th of 14 for the warmest August highs and 5th of 14 for the driest August (rainfall, lowest first). The mean August high of those 14 cities is 21.5°C; Viacha is 7.0°C cooler than that mean.
From August to September, average highs rise by 0.7°C to 15.2°C, and monthly rainfall rises from 16 mm to 32 mm.
The annual picture
August in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Viacha climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 13.8°C4.5°C | 4.5°C | 143 | 24.8 | 13.013 h |
| February | 13.8°C4.2°C | 4.2°C | 124 | 22.7 | 12.613 h |
| March | 13.7°C3.7°C | 3.7°C | 96 | 22.4 | 12.212 h |
| April | 13.8°C2.2°C | 2.2°C | 46 | 13.5 | 11.712 h |
| May | 14.1°C0.2°C | 0.2°C | 14 | 4.7 | 11.311 h |
| June | 13.7°C-1.2°C | -1.2°C | 8.2 | 2.5 | 11.211 h |
| July | 13.5°C-1.6°C | -1.6°C | 10 | 3.0 | 11.211 h |
| August, selected | 14.5°C-0.7°C | -0.7°C | 16 | 4.5 | 11.612 h |
| September | 15.2°C0.7°C | 0.7°C | 32 | 9.6 | 12.012 h |
| October | 15.7°C2.4°C | 2.4°C | 53 | 13.2 | 12.512 h |
| November | 16.1°C3.4°C | 3.4°C | 58 | 13.9 | 12.913 h |
| December | 14.8°C4.2°C | 4.2°C | 110 | 20.8 | 13.113 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
August in nearby cities
- La Paz in AugustBolivia · 23 kmHigh 13.7°C · Low 1.1°C · 21 mm rain
- Oruro in AugustBolivia · 195 kmHigh 14.2°C · Low -1.7°C · 12 mm rain
- Puno in AugustPeru · 205 kmHigh 15.3°C · Low 0.4°C · 20 mm rain
- Quillacollo in AugustBolivia · 230 kmHigh 21.7°C · Low 8.2°C · 19 mm rain
- Juliaca in AugustPeru · 234 kmHigh 15.4°C · Low -0.8°C · 18 mm rain
- Cochabamba in AugustBolivia · 242 kmHigh 21.0°C · Low 8.1°C · 19 mm rain
- Sacaba in AugustBolivia · 254 kmHigh 19.5°C · Low 7.7°C · 49 mm rain
- Tacna in AugustPeru · 257 kmHigh 19.4°C · Low 12.9°C · 3.6 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Viacha) is explained once on the Viacha year overview and on the Sources, method and limits page.