Valparaíso weather in December
Temperature, sea and sunshine in December: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in December
Excellent
Best time to visit: October – April
What is the weather like in Valparaíso in December?
In December, Valparaíso is warm: daytime highs average 21 °C, and nights cool down to about 14 °C. The sea averages 15.5 °C – swimming is only for the hardy. With around 10 hours of sunshine a day, there is plenty of sun. It hardly ever rains. All in all, December is an excellent month for a holiday in Valparaíso.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 100 | 100 | 100 |
| Day | 20° | 21° | 22° |
| Night | 12° | 14° | 15° |
| Sea | 14° | 16° | 17° |
| Sun | 10 h | 10 h | 11 h |
| Rain days | 1 | 0 | 0 |
More details for December
- Daylight
- 14 h 19 min06:32 – 20:51
- UV index
- 11 · extremeclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 20 km/haverage daily peakAll months
- Cloud cover
- 22 %on averageAll months
- Hot days
- 0 days30 °C or more
- Time zone
- UTC−3America/Santiago
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %100 %
- Few rainy daysweight 30 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in December
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
Valparaíso in December: quick answers
Is Valparaíso hot in December?
Warm rather than hot: in December, daytime highs in Valparaíso average 21 °C and nights cool to about 14 °C.
Can you swim in Valparaíso in December?
Only if you don't mind cold water: in December the sea averages just 15.5 °C. Comfortable swimming temperatures are not reached at any time of year.
Does it rain much in Valparaíso in December?
It hardly ever rains.
Valparaíso month by month
The whole year in ValparaísoAll destinations: ChileWhere to go in DecemberSea temperature in December
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences