Climate averages 1991–2020
Río Gallegos weather
in August.
A cold, fairly dry month: the 10th warmest and the joint 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a cold month in Río Gallegos: daytime highs average 6.9°C and nights cool to about -0.4°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 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 9 h 46 min on an average August day.
The nearest other city in this atlas is Punta Arenas (205 km away). In August its highs average 4.7°C, 2.2°C cooler than Río Gallegos, with 62 mm of rain.
Among the 67 cities listed in Argentina, Río Gallegos ranks 66th 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; Río Gallegos is 10.3°C cooler than that mean.
From August to September, average highs rise by 3.1°C to 10.0°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
Río Gallegos climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 18.3°C8.5°C | 8.5°C | 42 | 10.9 | 16.116 h |
| February | 17.9°C8.2°C | 8.2°C | 34 | 8.3 | 14.514 h |
| March | 15.7°C6.8°C | 6.8°C | 37 | 9.0 | 12.513 h |
| April | 12.1°C4.1°C | 4.1°C | 29 | 7.4 | 10.511 h |
| May | 7.9°C1.3°C | 1.3°C | 26 | 5.9 | 8.89 h |
| June | 4.5°C-1.2°C | -1.2°C | 22 | 5.7 | 7.98 h |
| July | 4.6°C-1.6°C | -1.6°C | 20 | 5.5 | 8.38 h |
| August, selected | 6.9°C-0.4°C | -0.4°C | 21 | 5.3 | 9.810 h |
| September | 10.0°C1.4°C | 1.4°C | 21 | 6.1 | 11.712 h |
| October | 13.6°C3.6°C | 3.6°C | 22 | 6.5 | 13.614 h |
| November | 16.0°C5.8°C | 5.8°C | 31 | 9.2 | 15.515 h |
| December | 17.2°C7.5°C | 7.5°C | 48 | 12.1 | 16.517 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
- Punta Arenas in AugustChile · 205 kmHigh 4.7°C · Low 0.7°C · 62 mm rain
- Comodoro Rivadavia in AugustArgentina · 654 kmHigh 11.0°C · Low 5.1°C · 21 mm rain
- Stanley in AugustFalkland Islands · 785 kmHigh 5.4°C · Low 1.8°C · 39 mm rain
- Trelew in AugustArgentina · 977 kmHigh 14.5°C · Low 4.3°C · 14 mm rain
- San Carlos de Bariloche in AugustArgentina · 1176 kmHigh 4.9°C · Low -0.1°C · 131 mm rain
- General Roca in AugustArgentina · 1406 kmHigh 15.3°C · Low 4.6°C · 14 mm rain
- Neuquén in AugustArgentina · 1412 kmHigh 14.9°C · Low 4.0°C · 12 mm rain
- Cipolletti in AugustArgentina · 1415 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 Río Gallegos) is explained once on the Río Gallegos year overview and on the Sources, method and limits page.