Climate averages 1991–2020
San Antonio, Chile weather
in April.
A mild, fairly dry month: the 6th warmest and the 7th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
April is a mild month in San Antonio, Chile: daytime highs average 18.9°C and nights cool to about 11.3°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 18 mm of rain on roughly 2 days, which makes April a fairly dry month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 17 min on an average April day.
The nearest other city in this atlas is Valparaíso (62 km away). In April its highs average 18.5°C, about as warm as San Antonio, Chile, with 16 mm of rain.
Among the 40 cities listed in Chile, San Antonio, Chile ranks joint 27th of 40 for the warmest April highs and 13th of 40 for the driest April (rainfall, lowest first). The mean April high of those 40 cities is 20.5°C; San Antonio, Chile is 1.7°C cooler than that mean.
From April to May, average highs fall by 2.3°C to 16.6°C, and monthly rainfall rises from 18 mm to 61 mm.
The annual picture
April 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 | 20.9°C13.4°C | 13.4°C | 3.5 | 0.8 | 12.312 h |
| April, selected | 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
April in nearby cities
- Valparaíso in AprilChile · 62 kmHigh 18.5°C · Low 13.5°C · 16 mm rain
- Quilpué in AprilChile · 63 kmHigh 20.6°C · Low 11.2°C · 14 mm rain
- Viña del Mar in AprilChile · 64 kmHigh 20.4°C · Low 12.1°C · 14 mm rain
- Peñaflor in AprilChile · 68 kmHigh 23.4°C · Low 10.4°C · 33 mm rain
- Lampa in AprilChile · 76 kmHigh 24.2°C · Low 12.6°C · 34 mm rain
- Maipú in AprilChile · 79 kmHigh 22.8°C · Low 10.6°C · 28 mm rain
- Paine in AprilChile · 84 kmHigh 23.6°C · Low 10.1°C · 29 mm rain
- San Bernardo in AprilChile · 84 kmHigh 22.8°C · Low 9.5°C · 28 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.