Climate averages 1991–2020
San Antonio, Chile weather
in January.
A mild, very dry month: the warmest and the driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
January is a mild month in San Antonio, Chile: daytime highs average 21.6°C and nights cool to about 14.5°C. By daytime temperature it is the warmest month of the year.
Rain is very rare: less than 1 mm falls in a typical January (the driest month of the year). Daylight, from sunrise to sunset, lasts about 14 h 06 min on an average January day.
The nearest other city in this atlas is Valparaíso (62 km away). In January its highs average 21.1°C, 0.5°C cooler than San Antonio, Chile, with almost no rain (under 1 mm).
Among the 40 cities listed in Chile, San Antonio, Chile ranks 35th of 40 for the warmest January highs and 8th of 40 for the driest January (rainfall, lowest first). The mean January high of those 40 cities is 25.5°C; San Antonio, Chile is 3.9°C cooler than that mean.
From January to February, average highs fall by 0.2°C to 21.4°C, and monthly rainfall rises from under 1 mm to 1.6 mm.
The annual picture
January 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, selected | 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 | 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
January in nearby cities
- Valparaíso in JanuaryChile · 62 kmHigh 21.1°C · Low 16.2°C · 0.3 mm rain
- Quilpué in JanuaryChile · 63 kmHigh 24.0°C · Low 15.0°C · 0.3 mm rain
- Viña del Mar in JanuaryChile · 64 kmHigh 23.6°C · Low 15.6°C · 0.3 mm rain
- Peñaflor in JanuaryChile · 68 kmHigh 29.6°C · Low 15.7°C · 2.6 mm rain
- Lampa in JanuaryChile · 76 kmHigh 30.3°C · Low 17.1°C · 3.7 mm rain
- Maipú in JanuaryChile · 79 kmHigh 29.0°C · Low 16.0°C · 2.7 mm rain
- Paine in JanuaryChile · 84 kmHigh 30.0°C · Low 17.6°C · 3.4 mm rain
- San Bernardo in JanuaryChile · 84 kmHigh 28.9°C · Low 16.1°C · 2.7 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.