Climate averages 1991–2020
San Antonio, Chile weather
in March.
A mild, very dry month: the 3rd warmest and the joint 4th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
March is a mild month in San Antonio, Chile: daytime highs average 20.9°C and nights cool to about 13.4°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 3.5 mm of rain on fewer than one day, which makes March a very dry month (the joint 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 19 min on an average March day.
The nearest other city in this atlas is Valparaíso (62 km away). In March its highs average 20.4°C, about as warm as San Antonio, Chile, with 2.3 mm of rain.
Among the 40 cities listed in Chile, San Antonio, Chile ranks joint 34th of 40 for the warmest March highs and joint 6th of 40 for the driest March (rainfall, lowest first). The mean March high of those 40 cities is 23.9°C; San Antonio, Chile is 3.0°C cooler than that mean.
From March to April, average highs fall by 2.0°C to 18.9°C, and monthly rainfall rises from 3.5 mm to 18 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 Antonio, Chile climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 21.6°C14.5°C | 14.5°C | 0.4 | 0.1 | 14.114 h |
| February | 21.4°C14.4°C | 14.4°C | 1.6 | 0.3 | 13.313 h |
| March, selected | 20.9°C13.4°C | 13.4°C | 3.5 | 0.8 | 12.312 h |
| April | 18.9°C11.3°C | 11.3°C | 18 | 2.1 | 11.311 h |
| May | 16.6°C9.6°C | 9.6°C | 61 | 4.7 | 10.410 h |
| June | 14.7°C8.0°C | 8.0°C | 122 | 7.0 | 10.010 h |
| July | 14.0°C6.9°C | 6.9°C | 67 | 5.6 | 10.110 h |
| August | 14.7°C7.4°C | 7.4°C | 59 | 5.1 | 10.911 h |
| September | 15.8°C8.6°C | 8.6°C | 28 | 3.0 | 11.912 h |
| October | 17.3°C10.0°C | 10.0°C | 14 | 1.8 | 12.913 h |
| November | 19.1°C11.7°C | 11.7°C | 3.5 | 0.7 | 13.814 h |
| December | 20.4°C13.2°C | 13.2°C | 2.9 | 0.4 | 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
- Valparaíso in MarchChile · 62 kmHigh 20.4°C · Low 15.4°C · 2.3 mm rain
- Quilpué in MarchChile · 63 kmHigh 22.9°C · Low 13.7°C · 2.9 mm rain
- Viña del Mar in MarchChile · 64 kmHigh 22.6°C · Low 14.4°C · 2.9 mm rain
- Peñaflor in MarchChile · 68 kmHigh 27.5°C · Low 14.1°C · 10 mm rain
- Lampa in MarchChile · 76 kmHigh 28.2°C · Low 15.8°C · 11 mm rain
- Maipú in MarchChile · 79 kmHigh 26.9°C · Low 14.5°C · 8.6 mm rain
- Paine in MarchChile · 84 kmHigh 27.7°C · Low 14.7°C · 7.2 mm rain
- San Bernardo in MarchChile · 84 kmHigh 26.9°C · Low 14.0°C · 8.6 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 Antonio) is explained once on the San Antonio, Chile year overview and on the Sources, method and limits page.