Asuncion Weather in December
December in Asuncion brings very high temperatures, with daytime highs of 33°C (91°F) and nights around 22°C (72°F). Quite a bit of rainfall is expected, around 166 mm (6.5 in), so pack an umbrella.
Rainfall in Asuncion in December
You can expect rain on roughly 7 days based on historical data, averaging 166 mm (6.5 in) for the month. When rain does fall this month, it tends to come down hard. The low number of rain days makes each shower more significant.
Temperature in Asuncion in December
If you're visiting Asuncion in December, expect highs of 33°C (91°F) and overnight lows around 22°C (72°F). If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. At 22°C (72°F) overnight, nights are warm enough to sit outside comfortably in light clothing.
Sunshine in Asuncion in December
The city usually sees around 297 hours of sunlight, indicating many sunny days — a great month for sightseeing.If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Asuncion. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Paraguay, check out our Asuncion's climate page.
Asuncion Temperature in December
Min Temperature
22°C (72°F)
Max Temperature
33°C (91°F)
Chance of Rain
23%
Precipitation
166 mm (6.5 in)
Rainy days
7 days
Humidity
68%
Sunshine
297 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Asuncion typically stay consistent throughout December, with daily highs averaging around 33°C (91°F). Nights are warm, with lows around 22°C (72°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Asuncion in December
Browse day-by-day weather records for Asuncion spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Asuncion historical weather extremes in December
Based on 40 years of weather observations in Asuncion between 1985 and 2025, these are the recorded extremes.
- The hottest December day on record in Asuncion reached 41°C (106°F) (December 9, 1985).
- The lowest daytime temperature in December was 21°C (70°F), recorded on December 4, 2001.
- Nighttime temperatures dropped to 10°C (50°F) on December 14, 2010, marking the coldest December night on record.
Best Places in Paraguay in December
Find out more about the weather in Paraguay and which places have the best travel conditions in this month. See all of Paraguay in December →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Asuncion in December
Get ready for hot weather in December! Lightweight, breathable fabrics are your best friend during this month. Cotton and linen shirts, shorts, sundresses, and sandals will keep you comfortable. Light colors help reflect the heat, avoid wearing black. Also bring a poncho, it will rain a lot! Waterproof everything you can. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Asuncion in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Paraguay, check out our Asuncion's climate page.
Temperature Rainfall Sunshine Humidity
See the full Asuncion climate overview or explore weather in Paraguay.
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