Climate averages 1991–2020
San Nicolás de los Arroyos weather
in March.
A warm, 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 San Nicolás de los Arroyos: daytime highs average 26.3°C and nights cool to about 17.8°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 117 mm of rain on roughly 7 days, which makes March a wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 19 min on an average March day.
The nearest other city in this atlas is Gobernador Gálvez (52 km away). In March its highs average 26.5°C, about as warm as San Nicolás de los Arroyos, with 126 mm of rain.
Among the 67 cities listed in Argentina, San Nicolás de los Arroyos ranks 24th of 67 for the warmest March highs and 50th of 67 for the driest March (rainfall, lowest first). The mean March high of those 67 cities is 25.6°C; San Nicolás de los Arroyos is 0.7°C warmer than that mean.
From March to April, average highs fall by 3.9°C to 22.4°C, and monthly rainfall falls from 117 mm to 106 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
San Nicolás de los Arroyos climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.7°C20.3°C | 20.3°C | 103 | 8.2 | 14.114 h |
| February | 28.1°C19.5°C | 19.5°C | 109 | 8.1 | 13.313 h |
| March, selected | 26.3°C17.8°C | 17.8°C | 117 | 7.4 | 12.312 h |
| April | 22.4°C14.5°C | 14.5°C | 106 | 8.1 | 11.311 h |
| May | 18.7°C11.5°C | 11.5°C | 66 | 6.0 | 10.410 h |
| June | 15.8°C8.7°C | 8.7°C | 44 | 5.2 | 10.010 h |
| July | 15.1°C7.4°C | 7.4°C | 42 | 5.1 | 10.210 h |
| August | 17.8°C8.6°C | 8.6°C | 56 | 5.0 | 10.911 h |
| September | 20.0°C10.4°C | 10.4°C | 67 | 6.3 | 11.912 h |
| October | 22.7°C13.3°C | 13.3°C | 112 | 9.7 | 12.913 h |
| November | 25.9°C16.1°C | 16.1°C | 115 | 7.6 | 13.814 h |
| December | 28.4°C18.6°C | 18.6°C | 108 | 8.6 | 14.314 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
- Gobernador Gálvez in MarchArgentina · 52 kmHigh 26.5°C · Low 17.7°C · 126 mm rain
- Rosario in MarchArgentina · 59 kmHigh 26.6°C · Low 17.5°C · 126 mm rain
- Pergamino in MarchArgentina · 70 kmHigh 25.9°C · Low 16.4°C · 100 mm rain
- Zárate in MarchArgentina · 139 kmHigh 25.9°C · Low 16.6°C · 108 mm rain
- Campana in MarchArgentina · 148 kmHigh 25.9°C · Low 16.5°C · 100 mm rain
- Junín in MarchArgentina · 156 kmHigh 25.6°C · Low 16.1°C · 100 mm rain
- Gualeguaychú in MarchArgentina · 162 kmHigh 26.4°C · Low 17.5°C · 121 mm rain
- Venado Tuerto in MarchArgentina · 169 kmHigh 25.9°C · Low 16.7°C · 113 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 San Nicolás de los Arroyos) is explained once on the San Nicolás de los Arroyos year overview and on the Sources, method and limits page.