Climate averages 1991–2020
Santa Rosa, Argentina weather
in March.
A warm, moderately wet month: the 5th warmest and the wettest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
March is a warm month in Santa Rosa, Argentina: daytime highs average 25.6°C and nights cool to about 15.8°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 86 mm of rain on roughly 8 days, which makes March a moderately wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 20 min on an average March day.
The nearest other city in this atlas is Bahía Blanca (294 km away). In March its highs average 25.3°C, about as warm as Santa Rosa, Argentina, with 67 mm of rain.
Among the 67 cities listed in Argentina, Santa Rosa, Argentina ranks joint 37th of 67 for the warmest March highs and 28th of 67 for the driest March (rainfall, lowest first). The mean March high of those 67 cities is 25.6°C; Santa Rosa, Argentina is level with that mean.
From March to April, average highs fall by 4.6°C to 21.0°C, and monthly rainfall falls from 86 mm to 67 mm.
The annual picture
March 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, selected | 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 | 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
March in nearby cities
- Bahía Blanca in MarchArgentina · 294 kmHigh 25.3°C · Low 16.0°C · 67 mm rain
- Villa Mercedes, Argentina in MarchArgentina · 344 kmHigh 26.0°C · Low 16.0°C · 87 mm rain
- Olavarría in MarchArgentina · 355 kmHigh 23.9°C · Low 13.9°C · 81 mm rain
- Junín in MarchArgentina · 377 kmHigh 25.6°C · Low 16.1°C · 100 mm rain
- Venado Tuerto in MarchArgentina · 383 kmHigh 25.9°C · Low 16.7°C · 113 mm rain
- Río Cuarto in MarchArgentina · 388 kmHigh 25.4°C · Low 16.3°C · 88 mm rain
- General Roca in MarchArgentina · 395 kmHigh 26.6°C · Low 15.0°C · 25 mm rain
- San Luis in MarchArgentina · 414 kmHigh 26.0°C · Low 16.4°C · 80 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.