Climate averages 1991–2020

Viacha weather
in October.

A mild, moderately wet month: the 2nd warmest and the 7th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 15.7°C Daytime mean, October
Average low 2.4°C Night-time mean, October
Rainfall 53 mm 13 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Viacha · average highYear overview

October is a mild month in Viacha: daytime highs average 15.7°C and nights cool to about 2.4°C. By daytime temperature it is the 2nd warmest of the 12 months.

Expect about 53 mm of rain on roughly 13 days, which makes October a moderately wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 28 min on an average October day.

The nearest other city in this atlas is La Paz (23 km away). In October its highs average 15.0°C, 0.7°C cooler than Viacha, with 55 mm of rain.

Among the 14 cities listed in Bolivia, Viacha ranks 13th of 14 for the warmest October highs and 5th of 14 for the driest October (rainfall, lowest first). The mean October high of those 14 cities is 23.2°C; Viacha is 7.5°C cooler than that mean.

From October to November, average highs rise by 0.4°C to 16.1°C, and monthly rainfall rises from 53 mm to 58 mm.

The annual picture

October in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. -505101520 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 1500

Averages 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

1991–2020
Monthly climate averages for Viacha, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 13.8°C4.5°C4.5°C14324.813.013 h
February 13.8°C4.2°C4.2°C12422.712.613 h
March 13.7°C3.7°C3.7°C9622.412.212 h
April 13.8°C2.2°C2.2°C4613.511.712 h
May 14.1°C0.2°C0.2°C144.711.311 h
June 13.7°C-1.2°C-1.2°C8.22.511.211 h
July 13.5°C-1.6°C-1.6°C103.011.211 h
August 14.5°C-0.7°C-0.7°C164.511.612 h
September 15.2°C0.7°C0.7°C329.612.012 h
October, selected 15.7°C2.4°C2.4°C5313.212.512 h
November 16.1°C3.4°C3.4°C5813.912.913 h
December 14.8°C4.2°C4.2°C11020.813.113 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

October in nearby cities

Distance from Viacha

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 limits

How 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.