Climate averages 1991–2020

Valparaíso weather
in August.

A cool, moderately wet month: the 11th warmest and the 9th driest of the year.

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

Average high 14.9°C Daytime mean, August
Average low 9.8°C Night-time mean, August
Rainfall 57 mm 5 days with ≥1 mm
Daylight 11 h Sunrise to sunset, per day
Every month in Valparaíso · average highYear overview

August is a cool month in Valparaíso: daytime highs average 14.9°C and nights cool to about 9.8°C. By daytime temperature it is the 11th warmest of the 12 months.

Expect about 57 mm of rain on roughly 5 days, which makes August a moderately wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 54 min on an average August day.

The nearest other city in this atlas is Viña del Mar (7 km away). In August its highs average 16.2°C, 1.3°C warmer than Valparaíso, with 53 mm of rain.

Among the 40 cities listed in Chile, Valparaíso ranks joint 23rd of 40 for the warmest August highs and 12th of 40 for the driest August (rainfall, lowest first). The mean August high of those 40 cities is 15.5°C; Valparaíso is 0.6°C cooler than that mean.

From August to September, average highs rise by 0.7°C to 15.6°C, and monthly rainfall falls from 57 mm to 27 mm.

The annual picture

August 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. 510152025 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

Valparaíso climate table

1991–2020
Monthly climate averages for Valparaíso, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 21.1°C16.2°C16.2°C0.30.114.114 h
February 21.1°C16.2°C16.2°C1.20.213.313 h
March 20.4°C15.4°C15.4°C2.30.612.312 h
April 18.5°C13.5°C13.5°C161.911.311 h
May 16.7°C11.8°C11.8°C614.410.410 h
June 15.3°C10.4°C10.4°C1216.910.010 h
July 14.5°C9.5°C9.5°C675.610.210 h
August, selected 14.9°C9.8°C9.8°C574.710.911 h
September 15.6°C10.8°C10.8°C272.911.912 h
October 16.8°C11.9°C11.9°C131.612.913 h
November 18.4°C13.4°C13.4°C2.60.413.814 h
December 19.9°C14.9°C14.9°C2.80.314.314 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

Distance from Valparaíso

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 Valparaíso) is explained once on the Valparaíso year overview and on the Sources, method and limits page.