Climate averages 1991–2020
Comodoro Rivadavia weather
in August.
A cool, fairly dry month: the 10th warmest and the joint 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a cool month in Comodoro Rivadavia: daytime highs average 11.0°C and nights cool to about 5.1°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 21 mm of rain on roughly 5 days, which makes August a fairly dry month (the joint 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 12 min on an average August day.
The nearest other city in this atlas is Trelew (338 km away). In August its highs average 14.5°C, 3.5°C warmer than Comodoro Rivadavia, with 14 mm of rain.
Among the 67 cities listed in Argentina, Comodoro Rivadavia ranks 65th of 67 for the warmest August highs and joint 14th of 67 for the driest August (rainfall, lowest first). The mean August high of those 67 cities is 17.2°C; Comodoro Rivadavia is 6.2°C cooler than that mean.
From August to September, average highs rise by 2.3°C to 13.3°C, and monthly rainfall stays at 21 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
Comodoro Rivadavia climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 23.2°C14.4°C | 14.4°C | 9.6 | 2.7 | 15.315 h |
| February | 22.1°C14.0°C | 14.0°C | 20 | 3.1 | 14.014 h |
| March | 20.2°C12.6°C | 12.6°C | 25 | 3.7 | 12.412 h |
| April | 16.8°C10.1°C | 10.1°C | 22 | 3.5 | 10.811 h |
| May | 12.8°C7.3°C | 7.3°C | 29 | 4.9 | 9.59 h |
| June | 9.5°C4.9°C | 4.9°C | 32 | 5.5 | 8.79 h |
| July | 9.1°C4.1°C | 4.1°C | 20 | 4.3 | 9.09 h |
| August, selected | 11.0°C5.1°C | 5.1°C | 21 | 5.0 | 10.210 h |
| September | 13.3°C6.5°C | 6.5°C | 21 | 4.4 | 11.712 h |
| October | 16.3°C8.6°C | 8.6°C | 17 | 3.9 | 13.413 h |
| November | 19.2°C10.9°C | 10.9°C | 14 | 3.2 | 14.815 h |
| December | 21.5°C12.9°C | 12.9°C | 13 | 3.0 | 15.616 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
- Trelew in AugustArgentina · 338 kmHigh 14.5°C · Low 4.3°C · 14 mm rain
- San Carlos de Bariloche in AugustArgentina · 608 kmHigh 4.9°C · Low -0.1°C · 131 mm rain
- Río Gallegos in AugustArgentina · 654 kmHigh 6.9°C · Low -0.4°C · 21 mm rain
- Puerto Montt in AugustChile · 656 kmHigh 10.4°C · Low 4.9°C · 277 mm rain
- Osorno in AugustChile · 744 kmHigh 11.2°C · Low 3.8°C · 213 mm rain
- General Roca in AugustArgentina · 759 kmHigh 15.3°C · Low 4.6°C · 14 mm rain
- Neuquén in AugustArgentina · 770 kmHigh 14.9°C · Low 4.0°C · 12 mm rain
- Cipolletti in AugustArgentina · 772 kmHigh 15.1°C · Low 4.2°C · 12 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 Comodoro Rivadavia) is explained once on the Comodoro Rivadavia year overview and on the Sources, method and limits page.