Asunción in May

In May, Asunción averages 23°C (74°F) during the day and 16°C (61°F) at night, with frequent rain — about 15 days of the month see precipitation (138 mm total).

High season

Conditions are comfortable for sightseeing without being sweltering. Plan for unsettled weather and bring rain gear.

May offers comfortable temperatures in Asunción, with some rain to plan around.

23°C
Avg high
16°C
Avg low
15
Rain days
138 mm
Rainfall

How May compares to the rest of the year in Asunción

10th
warmest month of the 12
7th
wettest month of the 12
9%
of yearly rainfall falls in May
10 h 54 min
daylight on the 15th

May is one of the coolest months in Asunción (10th of 12) and moderately rainy compared to the rest of the year (7th of 12). Daytime temperature runs 5°C below the annual average (28°C). May runs 4°C cooler than April (28°C) and cools 1°C in June (22°C).

May sunrise & sunset in Asunción

🌅
Sunrise (15th)
7:19 AM
🌇
Sunset (15th)
6:13 PM
Day length
10 h 54 min

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

Photography light in Asunción — May

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

🌅 Blue hour (AM)
6:19 AM – 6:59 AM
🌄 Golden hour (AM)
6:59 AM – 7:59 AM
🌇 Golden hour (PM)
5:33 PM – 6:33 PM
🌆 Blue hour (PM)
6:33 PM – 7:13 PM
Milky Way galactic core
Good
Galactic core is up but lower on the horizon; head well outside city limits for a clean view.

📅 When to book — Asunción in May

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 May'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.

Crowds & pricing — May 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: excellent tourism weather

Sun & mosquito risk — May in Asunción

☀️ UV Index (noon, 15th)
8.4
Very high
Limit sun exposure between 11 AM and 3 PM; SPF 30-50, reapply every 90 minutes outdoors.
🦟 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 May weather

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

Frequently asked questions

How hot is Asunción in May?

In May, Asunción averages a high of 23°C (74°F) and a low of 16°C (61°F) — generally mild and pleasant.

Does it rain a lot in Asunción in May?

May is quite rainy in Asunción, with about 15 rainy days on average.

Is May a good time to visit Asunción?

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

What should I pack for Asunción in May?

Pack light layers for warm days and cooler evenings, plus a compact umbrella or rain jacket. See the full May 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.