Climate averages 1991–2020
Ovalle weather
in December.
A hot, very dry month: the 3rd warmest and one of the driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Ovalle: daytime highs average 28.7°C and nights cool to about 15.6°C. By daytime temperature it is the 3rd warmest of the 12 months.
Rain is very rare: less than 1 mm falls in a typical December (one of the driest months of the year). Daylight, from sunrise to sunset, lasts about 14 h 05 min on an average December day.
The nearest other city in this atlas is Coquimbo (73 km away). In December its highs average 23.1°C, 5.6°C cooler than Ovalle, with almost no rain (under 1 mm).
Among the 40 cities listed in Chile, Ovalle ranks 1st of 40 for the warmest December highs and 1st of 40 for the driest December (rainfall, lowest first). The mean December high of those 40 cities is 23.8°C; Ovalle is 4.9°C warmer than that mean.
From December to January, average highs rise by 1.0°C to 29.7°C, and monthly rainfall stays under 1 mm.
The annual picture
December 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
Ovalle climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.7°C16.9°C | 16.9°C | 0.3 | 0.1 | 13.914 h |
| February | 29.4°C17.0°C | 17.0°C | 0.6 | 0.1 | 13.213 h |
| March | 28.2°C16.3°C | 16.3°C | 5.1 | 0.6 | 12.312 h |
| April | 25.5°C14.2°C | 14.2°C | 5.1 | 1.0 | 11.411 h |
| May | 22.6°C11.5°C | 11.5°C | 29 | 2.9 | 10.611 h |
| June | 20.2°C8.8°C | 8.8°C | 47 | 3.2 | 10.210 h |
| July | 19.6°C7.5°C | 7.5°C | 23 | 2.6 | 10.410 h |
| August | 21.0°C8.6°C | 8.6°C | 26 | 2.5 | 11.011 h |
| September | 22.8°C10.3°C | 10.3°C | 7.9 | 1.5 | 11.912 h |
| October | 25.2°C12.4°C | 12.4°C | 6.3 | 1.0 | 12.813 h |
| November | 27.3°C14.2°C | 14.2°C | 1.1 | 0.3 | 13.614 h |
| December, selected | 28.7°C15.6°C | 15.6°C | 0.3 | 0.1 | 14.114 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
December in nearby cities
- Coquimbo in DecemberChile · 73 kmHigh 23.1°C · Low 15.8°C · 0.5 mm rain
- La Serena in DecemberChile · 77 kmHigh 24.6°C · Low 16.6°C · 0.5 mm rain
- Viña del Mar in DecemberChile · 272 kmHigh 22.4°C · Low 14.1°C · 2.5 mm rain
- Quilpué in DecemberChile · 273 kmHigh 22.8°C · Low 13.5°C · 2.5 mm rain
- Valparaíso in DecemberChile · 274 kmHigh 19.9°C · Low 14.9°C · 2.8 mm rain
- San Juan, Argentina in DecemberArgentina · 275 kmHigh 30.3°C · Low 17.7°C · 22 mm rain
- Rawson in DecemberArgentina · 275 kmHigh 29.8°C · Low 16.9°C · 22 mm rain
- Colina in DecemberChile · 294 kmHigh 27.9°C · Low 16.3°C · 13 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 Ovalle) is explained once on the Ovalle year overview and on the Sources, method and limits page.