Asunción in January

In January, Asunción averages 33°C (91°F) during the day and 24°C (76°F) at night, with frequent rain — about 21 days of the month see precipitation (151 mm total).

High season

Conditions are very hot — early-morning and evening sightseeing recommended. Expect daily rain or showers, often in heavy bursts.

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

33°C
Avg high
24°C
Avg low
21
Rain days
151 mm
Rainfall

How January compares to the rest of the year in Asunción

1st
warmest month of the 12
1st
wettest month of the 12
10%
of yearly rainfall falls in January
13 h 32 min
daylight on the 15th

January is one of the warmest months in Asunción (1st of 12) and one of the wettest months (1st of 12). Daytime temperature runs 5°C above the annual average (28°C). January runs 1°C warmer than December (32°C) and cools 1°C in February (32°C).

January sunrise & sunset in Asunción

🌅
Sunrise (15th)
6:13 AM
🌇
Sunset (15th)
7:45 PM
Day length
13 h 32 min

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

Photography light in Asunción — January

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

🌅 Blue hour (AM)
5:13 AM – 5:53 AM
🌄 Golden hour (AM)
5:53 AM – 6:53 AM
🌇 Golden hour (PM)
7:05 PM – 8:05 PM
🌆 Blue hour (PM)
8:05 PM – 8:45 PM
Milky Way galactic core
Poor
Core barely rises (or hasn't yet returned for the season). Consider a different month.

📅 When to book — Asunción in January

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 January's tier (High season) and Asunción's popularity.

✈ Flights — lead time
2-3 months
Prices are above off-season but not the absolute peak. Tuesday/Wednesday departures are usually cheaper than weekend ones.
🏨 Lodging — lead time
2-3 months
Wide selection still available at this lead time. Premium properties book first; consider 'last-minute deal' availability at 2-week mark if your dates are flexible.
⚠ 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 — January in Asunción

High season

This is a busy month in Asunción — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.

Why this tier: Southern Hemisphere summer holidays

Sun & mosquito risk — January 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 January weather

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

Frequently asked questions

How hot is Asunción in January?

In January, Asunción averages a high of 33°C (91°F) and a low of 24°C (76°F) — generally hot.

Does it rain a lot in Asunción in January?

January is quite rainy in Asunción, with about 21 rainy days on average.

Is January a good time to visit Asunción?

January 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 January?

Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full January 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.