Climate averages 1991–2020
Lampa weather
in December.
A hot, very dry month: the 3rd warmest and the 2nd 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 Lampa: daytime highs average 28.5°C and nights cool to about 15.3°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 6.0 mm of rain on roughly 1 day, which makes December a very dry month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 18 min on an average December day.
The nearest other city in this atlas is Quilicura (18 km away). In December its highs average 26.7°C, 1.8°C cooler than Lampa, with 13 mm of rain.
Among the 40 cities listed in Chile, Lampa ranks 3rd of 40 for the warmest December highs and 15th of 40 for the driest December (rainfall, lowest first). The mean December high of those 40 cities is 23.8°C; Lampa is 4.7°C warmer than that mean.
From December to January, average highs rise by 1.7°C to 30.3°C, and monthly rainfall falls from 6.0 mm to 3.7 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
Lampa climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.3°C17.1°C | 17.1°C | 3.7 | 0.8 | 14.114 h |
| February | 29.8°C16.9°C | 16.9°C | 6.1 | 0.9 | 13.313 h |
| March | 28.2°C15.8°C | 15.8°C | 11 | 1.3 | 12.312 h |
| April | 24.2°C12.6°C | 12.6°C | 34 | 3.1 | 11.311 h |
| May | 20.2°C9.0°C | 9.0°C | 70 | 5.7 | 10.410 h |
| June | 16.9°C6.0°C | 6.0°C | 132 | 7.2 | 10.010 h |
| July | 16.1°C5.0°C | 5.0°C | 85 | 6.1 | 10.210 h |
| August | 17.6°C6.2°C | 6.2°C | 71 | 5.9 | 10.911 h |
| September | 19.5°C8.1°C | 8.1°C | 39 | 4.8 | 11.912 h |
| October | 22.1°C10.5°C | 10.5°C | 28 | 3.4 | 12.913 h |
| November | 25.7°C13.1°C | 13.1°C | 11 | 2.1 | 13.814 h |
| December, selected | 28.5°C15.3°C | 15.3°C | 6.0 | 1.0 | 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
December in nearby cities
- Quilicura in DecemberChile · 18 kmHigh 26.7°C · Low 14.8°C · 13 mm rain
- Colina in DecemberChile · 21 kmHigh 27.9°C · Low 16.3°C · 13 mm rain
- Maipú in DecemberChile · 27 kmHigh 27.3°C · Low 14.1°C · 6.3 mm rain
- Santiago in DecemberChile · 28 kmHigh 26.2°C · Low 14.1°C · 6.3 mm rain
- Peñaflor in DecemberChile · 36 kmHigh 28.0°C · Low 14.0°C · 4.8 mm rain
- Peñalolén in DecemberChile · 38 kmHigh 24.9°C · Low 13.6°C · 25 mm rain
- San Bernardo in DecemberChile · 38 kmHigh 27.2°C · Low 13.9°C · 6.3 mm rain
- Puente Alto in DecemberChile · 46 kmHigh 25.9°C · Low 13.2°C · 25 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 Lampa) is explained once on the Lampa year overview and on the Sources, method and limits page.