Asunción in December

In December, Asunción averages 32°C (89°F) during the day and 23°C (73°F) at night, with frequent rain — about 17 days of the month see precipitation (170 mm total).

Shoulder

Conditions are warm and beach-friendly. Expect daily rain or showers, often in heavy bursts.

December is one of the wetter and less comfortable months in Asunción. If your dates are flexible, consider a different time of year.

32°C
Avg high
23°C
Avg low
17
Rain days
170 mm
Rainfall

How December compares to the rest of the year in Asunción

3rd
warmest month of the 12
4th
wettest month of the 12
11%
of yearly rainfall falls in December
13 h 42 min
daylight on the 15th

December is one of the warmest months in Asunción (3rd of 12) and moderately rainy compared to the rest of the year (4th of 12). Daytime temperature runs 4°C above the annual average (28°C). December runs 2°C warmer than November (30°C) and warms a further 1°C into January (33°C).

December sunrise & sunset in Asunción

🌅
Sunrise (15th)
5:54 AM
🌇
Sunset (15th)
7:36 PM
Day length
13 h 42 min

Times shown for Asunción local time (America/Asuncion), calculated for the 15th of December. They shift by a few minutes day to day across the month.

Photography light in Asunción — December

Golden-hour and blue-hour windows for the 15th of December, in Asunción's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
4:54 AM – 5:34 AM
🌄 Golden hour (AM)
5:34 AM – 6:34 AM
🌇 Golden hour (PM)
6:56 PM – 7:56 PM
🌆 Blue hour (PM)
7:56 PM – 8:36 PM

📅 When to book — Asunción in December

Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on December's tier (Shoulder) and Asunción's popularity.

✈ Flights — lead time
6-10 weeks
Sweet spot for value. Major fare-sales (US: Black Friday, EU: post-Easter) hit hardest in shoulder months for shoulder travel.
🏨 Lodging — lead time
4-8 weeks
Lots of selection. Look for shoulder-season packages — many hotels add value (free breakfast, spa credit) to fill rooms.
⚠ Christmas / New Year travel is a global premium-pricing event — many destinations 30-50% above normal. Book 4+ months ahead if your dates are Dec 20 - Jan 2.

Crowds & pricing — December in Asunción

Shoulder

Asunción is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.

Sun & mosquito risk — December in Asunción

☀️ UV Index (noon, 15th)
13
Extreme
Stay indoors during midday hours; SPF 50+ even briefly outside, UPF clothing, wide-brim hat, sunglasses essential.
🦟 Mosquito risk
●●●●●
Severe
Severe mosquito season with active disease transmission risk. DEET 30%+, picaridin 20%, long sleeves day and night, treated nets, and check CDC/WHO travel advisories before going.

UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.

Asunción in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 33°C / 91°F 24°C / 76°F 151 mm 21
February 32°C / 89°F 23°C / 74°F 101 mm 17
March 30°C / 86°F 22°C / 71°F 130 mm 17
April 28°C / 82°F 19°C / 67°F 160 mm 13
May 23°C / 74°F 16°C / 61°F 138 mm 15
June 22°C / 72°F 14°C / 58°F 82 mm 12
July 23°C / 73°F 14°C / 58°F 72 mm 9
August 25°C / 78°F 16°C / 60°F 68 mm 9
September 28°C / 82°F 18°C / 64°F 81 mm 12
October 29°C / 84°F 20°C / 68°F 202 mm 16
November 30°C / 86°F 21°C / 69°F 202 mm 16
December 32°C / 89°F 23°C / 73°F 170 mm 17

Other cities with similar December weather

🌍 See the full ranked list of climate twins for Asunción in December →

Frequently asked questions

How hot is Asunción in December?

In December, Asunción averages a high of 32°C (89°F) and a low of 23°C (73°F) — generally hot.

Does it rain a lot in Asunción in December?

December is quite rainy in Asunción, with about 17 rainy days on average.

Is December a good time to visit Asunción?

December is hot but on the rainy side. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Asunción in December?

Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full December packing list for Asunción for a complete, climate-based checklist.

Open Asunción on the interactive map

Check the live 10-day forecast and sunrise/sunset.