Weather in Asuncion in December 2025
Average weather
Average temperature in Asuncion in December
The temperature in December is +91°F on average, with a range between a maximum of +100°F during the day and a minimum of +64°F at night.
The average maximum temperature goes down 15% by the end of the month, compared with the beginning of the month, from +97°F to +91°F.
Is Asuncion warm or cold in December?
Asuncion is typically hot in December.
Maximum temperatures go up compared to the previous month from +86°F to +90°F. The minimum temperature also goes up from +68°F to +72°F.
Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.
December is one of the warmest months in Asuncion, here is the comparison with other months:
Climate in Asuncion in December
| November | December | January | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +86°F | +90°F | +91°F | ||||
| Min. temperature | ||||||
| +46°F | +50°F | +57°F | ||||
| Max. temperature | ||||||
| +104°F | +102°F | +108°F | ||||
| Rainfall | ||||||
| 190 mm | 155 mm | 130 mm | ||||
| Wind | ||||||
| 3 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 72% | 72% | 72% | ||||
| Air pressure | ||||||
| 1009 HPa | 1007 HPa | 1007 HPa | ||||
| Sunny days | ||||||
| 10 | 9 | 8 | ||||
| Cloudy days | ||||||
| 4 | 4 | 4 | ||||
| Rainy days | ||||||
| 12 | 14 | 13 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
December weather is still as good as in November. It’s getting warmer as December arrives. The average maximum temperature goes up from +86°F to +90°F during the day. As December arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 190 mm to 155 mm. Humidity levels don’t change as the month goes on, averaging around 72%. Winds are calmer in comparison to November, going down from 3 m/s to 2 m/s on average. The days becoming less sunny, going from 10 sunny days in November to 9 in December.
January brings much the same weather, it remains good.
Wind
The average wind speed is 3 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Asuncion is gradually increasing during December, going from 4 m/s to 4 m/s over the course of the month.
Rain
How was the weather last December in Asuncion?
Climate Change Over the Years
The climate in Asuncion in December has not changed that much over the last 43 years.
The average temperature was the lowest in 1983 (+80°F) and the highest in 2020 (+86°F). The driest year was 2020 with only 815 mm of rainfall, and the wettest year was 1998 with 2510 mm.
FAQ
Is December a good time to visit Asuncion?
Can you sunbathe in Asuncion in December?
Is Asuncion rainy in December?
Is it sunny in Asuncion in December?
Monthly weather in Asuncion
Source of the data
For this page, we’ve looked at the typical weather in Asuncion, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
