Climate averages 1991–2020
Santa Rosa, Argentina weather
in October.
A mild, moderately wet month: the 6th warmest and the joint 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a mild month in Santa Rosa, Argentina: daytime highs average 21.9°C and nights cool to about 11.2°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 82 mm of rain on roughly 10 days, which makes October a moderately wet month (the joint 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 00 min on an average October day.
The nearest other city in this atlas is Bahía Blanca (294 km away). In October its highs average 20.6°C, 1.3°C cooler than Santa Rosa, Argentina, with 64 mm of rain.
Among the 67 cities listed in Argentina, Santa Rosa, Argentina ranks joint 34th of 67 for the warmest October highs and joint 20th of 67 for the driest October (rainfall, lowest first). The mean October high of those 67 cities is 22.2°C; Santa Rosa, Argentina is 0.3°C cooler than that mean.
From October to November, average highs rise by 3.8°C to 25.7°C, and monthly rainfall falls from 82 mm to 74 mm.
The annual picture
October 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
Santa Rosa, Argentina climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.1°C19.0°C | 19.0°C | 82 | 9.0 | 14.314 h |
| February | 28.3°C17.7°C | 17.7°C | 81 | 7.9 | 13.513 h |
| March | 25.6°C15.8°C | 15.8°C | 86 | 8.0 | 12.312 h |
| April | 21.0°C11.8°C | 11.8°C | 67 | 6.3 | 11.211 h |
| May | 17.0°C8.6°C | 8.6°C | 30 | 5.0 | 10.210 h |
| June | 13.9°C5.1°C | 5.1°C | 16 | 3.3 | 9.710 h |
| July | 13.3°C4.1°C | 4.1°C | 19 | 3.7 | 9.910 h |
| August | 16.2°C5.7°C | 5.7°C | 27 | 4.0 | 10.711 h |
| September | 18.9°C8.0°C | 8.0°C | 48 | 5.8 | 11.812 h |
| October, selected | 21.9°C11.2°C | 11.2°C | 82 | 9.6 | 13.013 h |
| November | 25.7°C14.5°C | 14.5°C | 74 | 8.0 | 14.014 h |
| December | 28.9°C17.5°C | 17.5°C | 85 | 8.5 | 14.615 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
- Bahía Blanca in OctoberArgentina · 294 kmHigh 20.6°C · Low 10.9°C · 64 mm rain
- Villa Mercedes, Argentina in OctoberArgentina · 344 kmHigh 23.3°C · Low 12.0°C · 82 mm rain
- Olavarría in OctoberArgentina · 355 kmHigh 19.7°C · Low 9.2°C · 90 mm rain
- Junín in OctoberArgentina · 377 kmHigh 21.9°C · Low 11.8°C · 119 mm rain
- Venado Tuerto in OctoberArgentina · 383 kmHigh 22.8°C · Low 12.6°C · 111 mm rain
- Río Cuarto in OctoberArgentina · 388 kmHigh 23.0°C · Low 12.5°C · 84 mm rain
- General Roca in OctoberArgentina · 395 kmHigh 22.4°C · Low 10.3°C · 36 mm rain
- San Luis in OctoberArgentina · 414 kmHigh 23.9°C · Low 12.5°C · 66 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 Santa Rosa) is explained once on the Santa Rosa, Argentina year overview and on the Sources, method and limits page.