Climate averages 1991–2020

Punta Arenas weather
in August.

A cold, moderately wet month: the 10th warmest and the 5th driest of the year.

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

Average high 4.7°C Daytime mean, August

Average low 0.7°C Night-time mean, August

Rainfall 62 mm 13 days with ≥1 mm

Daylight 10 h Sunrise to sunset, per day

August is a cold month in Punta Arenas: daytime highs average 4.7°C and nights cool to about 0.7°C. By daytime temperature it is the 10th warmest of the 12 months.

Expect about 62 mm of rain on roughly 13 days, which makes August a moderately wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 9 h 38 min on an average August day.

The nearest other city in this atlas is Río Gallegos (205 km away). In August its highs average 6.9°C, 2.2°C warmer than Punta Arenas, with 21 mm of rain.

Among the 40 cities listed in Chile, Punta Arenas ranks 40th of 40 for the warmest August highs and 14th of 40 for the driest August (rainfall, lowest first). The mean August high of those 40 cities is 15.5°C; Punta Arenas is 10.9°C cooler than that mean.

From August to September, average highs rise by 2.0°C to 6.7°C, and monthly rainfall falls from 62 mm to 54 mm.

The annual picture

August in context

30-year average

Average highAverage low°C

Monthly rainfall

Average total · mm

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Punta Arenas climate table

1991–2020

Monthly climate averages for Punta Arenas, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January	12.3°C7.1°C	7.1°C	89	20.0	16.316 h
February	12.4°C7.0°C	7.0°C	69	15.6	14.615 h
March	11.1°C6.2°C	6.2°C	83	17.4	12.613 h
April	8.8°C4.5°C	4.5°C	84	15.4	10.510 h
May	6.1°C2.5°C	2.5°C	60	13.2	8.69 h
June	3.8°C0.6°C	0.6°C	56	12.4	7.68 h
July	3.6°C0.1°C	0.1°C	56	12.8	8.18 h
August, selected	4.7°C0.7°C	0.7°C	62	13.4	9.610 h
September	6.7°C1.8°C	1.8°C	54	12.2	11.612 h
October	8.6°C3.2°C	3.2°C	69	15.5	13.714 h
November	10.2°C4.7°C	4.7°C	78	18.3	15.716 h
December	11.4°C6.1°C	6.1°C	88	20.7	16.817 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 Punta Arenas

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