The month in detail
What to expect in December
In the height of summer, Asunción sees high temperatures (90°F). Heat is a factor for outdoor activities. Expect rain on 26% of days — a light raincoat in the bag is recommended. Not the best window, but acceptable if dates are constrained. September (8.6/10) is significantly better if possible.
December ranks 10 out of 12 months in Asunción. Compared to November: +2°F daytime, +0.5h of sun per day.
This month's conditions
What it's like in December
UV index
8 · very high
protection essential
Feels like
muggy at times
20°
Daylight
13.6h of daylight
Air quality
good
AQI 27
Compare
Is December the right month?
The best month in Asunción is September (8.6/10), 3.1 pts higher than December.
Book
Plan your trip
Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.
Stay
Hotels & rentals · Asunción
Expedia →
Activities
Tours, tickets, experiences
See ↓
Flights
Multi-airline comparator
Kiwi →
🎟️ Activities & tours · Asunción
GetYourGuide selection · free cancellation
Practical info
What you need to know before you go
Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a city break.
Country · Paraguay
🗣️LanguageSpanish
💶CurrencyGuaraní paraguayen (₲)
🚗DrivingRight-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘVery cheap · 1/5
🌡️ Climate
🌍Climate typeTemperate
📈Climate trend ⓘStable
🔥Hottest monthJanuary · 91°F
❄️Coolest monthJune · 72°F
🌧️Rainiest month ⓘApril · 27%
🏛️ City break
📅Tourist peak seasonJune → August
☔Indoor sights ⓘYear-round
🚇Public transportGood
Explore
Other destinations in December
If December doesn't convince you for this destination, compare with others.
Location
Where is Asunción ?
Global position + regional geographic context.
🌍 World
🔍 Geographic context
ParaguayTemperate climate with a 8.6 → 5.2 gap between best and worst month. 10 years of ERA5 data to choose by project.
25.26°S · 57.58°W
Questions
Frequently asked questions
What is the best time to visit Asunción?
September is the best month with 82°F highs, 63°F lows, 6.8h of sunshine and 20.0% rainy days. The months of September & April offer comparable conditions.
How many hours of sunshine does Asunción get in September?
Asunción averages 6.8 sunshine hours per day in September. It is the sunniest month with a climate score of 8.1/10.
What is the rainiest month in Asunción?
January is the most unfavourable month with January has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Asunción in September?
In September, overnight lows reach 63°F, while afternoon highs average 82°F.
Is Asunción good in winter?
In winter (December-February), Asunción scores 5.2/10 on average — Difficult period — prefer the peak season.. The best month overall remains September with a score of 8.1/10.
When should you avoid Asunción?
January is the most difficult month to visit Asunción, with January has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Do you need sun protection in Asunción in December?
The average UV index reaches 8 in December in Asunción (very high), with about 13.6h of daylight. Protection essential.