Climate averages 1991–2020
San Antonio, Chile weather
in May.
A mild, moderately wet month: the 8th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in San Antonio, Chile: daytime highs average 16.6°C and nights cool to about 9.6°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 61 mm of rain on roughly 5 days, which makes May a moderately wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 25 min on an average May day.
The nearest other city in this atlas is Valparaíso (62 km away). In May its highs average 16.7°C, about as warm as San Antonio, Chile, with 61 mm of rain.
Among the 40 cities listed in Chile, San Antonio, Chile ranks 26th of 40 for the warmest May highs and joint 13th of 40 for the driest May (rainfall, lowest first). The mean May high of those 40 cities is 17.5°C; San Antonio, Chile is 1.0°C cooler than that mean.
From May to June, average highs fall by 1.8°C to 14.7°C, and monthly rainfall rises from 61 mm to 122 mm.
The annual picture
May 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 | 18.9°C11.3°C | 11.3°C | 18 | 2.1 | 11.311 h |
| May, selected | 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
May in nearby cities
- Valparaíso in MayChile · 62 kmHigh 16.7°C · Low 11.8°C · 61 mm rain
- Quilpué in MayChile · 63 kmHigh 18.4°C · Low 9.2°C · 51 mm rain
- Viña del Mar in MayChile · 64 kmHigh 18.2°C · Low 10.1°C · 51 mm rain
- Peñaflor in MayChile · 68 kmHigh 19.4°C · Low 6.8°C · 69 mm rain
- Lampa in MayChile · 76 kmHigh 20.2°C · Low 9.0°C · 70 mm rain
- Maipú in MayChile · 79 kmHigh 18.9°C · Low 6.7°C · 62 mm rain
- Paine in MayChile · 84 kmHigh 19.8°C · Low 6.8°C · 70 mm rain
- San Bernardo in MayChile · 84 kmHigh 18.9°C · Low 5.8°C · 62 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.