Climate averages 1991–2020
Bahía Blanca weather
in March.
A warm, moderately wet month: the 4th 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 Bahía Blanca: daytime highs average 25.3°C and nights cool to about 16.0°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 67 mm of rain on roughly 7 days, which makes March a moderately wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 22 min on an average March day.
The nearest other city in this atlas is Olavarría (265 km away). In March its highs average 23.9°C, 1.3°C cooler than Bahía Blanca, with 81 mm of rain.
Among the 67 cities listed in Argentina, Bahía Blanca ranks joint 48th of 67 for the warmest March highs and 13th of 67 for the driest March (rainfall, lowest first). The mean March high of those 67 cities is 25.6°C; Bahía Blanca is 0.4°C cooler than that mean.
From March to April, average highs fall by 4.6°C to 20.7°C, and monthly rainfall falls from 67 mm to 55 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
Bahía Blanca climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.7°C18.7°C | 18.7°C | 54 | 7.1 | 14.515 h |
| February | 28.0°C17.7°C | 17.7°C | 65 | 6.7 | 13.614 h |
| March, selected | 25.3°C16.0°C | 16.0°C | 67 | 6.7 | 12.412 h |
| April | 20.7°C12.2°C | 12.2°C | 55 | 6.0 | 11.111 h |
| May | 16.7°C9.2°C | 9.2°C | 38 | 5.4 | 10.110 h |
| June | 13.4°C6.2°C | 6.2°C | 28 | 4.4 | 9.510 h |
| July | 12.7°C5.0°C | 5.0°C | 34 | 5.0 | 9.710 h |
| August | 15.1°C6.4°C | 6.4°C | 35 | 4.7 | 10.611 h |
| September | 17.6°C8.0°C | 8.0°C | 45 | 6.2 | 11.812 h |
| October | 20.6°C10.9°C | 10.9°C | 64 | 7.7 | 13.113 h |
| November | 24.5°C14.0°C | 14.0°C | 63 | 7.0 | 14.214 h |
| December | 28.0°C16.9°C | 16.9°C | 57 | 6.2 | 14.815 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
- Olavarría in MarchArgentina · 265 kmHigh 23.9°C · Low 13.9°C · 81 mm rain
- Santa Rosa, Argentina in MarchArgentina · 294 kmHigh 25.6°C · Low 15.8°C · 86 mm rain
- Necochea in MarchArgentina · 307 kmHigh 22.3°C · Low 15.8°C · 73 mm rain
- Tandil in MarchArgentina · 315 kmHigh 23.3°C · Low 13.2°C · 74 mm rain
- Mar del Plata in MarchArgentina · 418 kmHigh 22.5°C · Low 15.5°C · 72 mm rain
- General Roca in MarchArgentina · 462 kmHigh 26.6°C · Low 15.0°C · 25 mm rain
- Junín in MarchArgentina · 473 kmHigh 25.6°C · Low 16.1°C · 100 mm rain
- Cipolletti in MarchArgentina · 496 kmHigh 26.6°C · Low 14.8°C · 19 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 Bahía Blanca) is explained once on the Bahía Blanca year overview and on the Sources, method and limits page.