Month by month
| Month | Afternoon | Sea | Rain | Verdict |
|---|---|---|---|---|
| January | 32.6 °C | — | 13 days | Pleasant — a good time to go |
| February | 32.1 °C | — | 10 days | Pleasant — a good time to go |
| March | 30.7 °C | — | 11 days | Pleasant — a good time to go |
| April | 28 °C | — | 9 days | Ideal — one of the best times of year |
| May | 23.5 °C | — | 11 days | Pleasant — a good time to go |
| June | 22.5 °C | — | 7 days | Pleasant — a good time to go |
| July | 22.7 °C | — | 6 days | Pleasant — a good time to go |
| August | 25.2 °C | — | 6 days | Ideal — one of the best times of year |
| September | 27.7 °C | — | 8 days | Ideal — one of the best times of year |
| October | 29 °C | — | 12 days | Pleasant — a good time to go |
| November | 30.4 °C | — | 12 days | Pleasant — a good time to go |
| December | 31.7 °C | — | 12 days | Pleasant — a good time to go |
Nearby in May
Before you go
Three things to check once you have picked your dates.
Entry
No visa needed for stays of up to 90 days. Passport valid until your return date. Make sure an immigration official stamps your passport on arrival, especially at land borders; without an entry stamp you will be fined when leaving.
For a British passport, per the UK Foreign Office on 21 January 2026. Rules change: check before booking.
Safety
No specific restrictions
Usual precautions apply.
Official advice updated 21 January 2026
Health
Vaccines · hepatitis A and hepatitis B if you are not already vaccinated; rabies depending on activities and areas visited. Routine vaccines up to date (measles in particular).
Yellow fever · Vaccine recommended for parts of the country (not recommended for the city of Asunción (the capital)). No entry requirement.
Malaria · None.
Mosquitoes · dengue and Zika reported: protect yourself from bites.
Per the CDC (page reviewed 3 September 2026); see a travel clinic a few weeks before departure.
Beau Fixe is not a safety or health authority. These notes summarise dated public texts and link to their source: France Diplomatie (Licence Ouverte 2.0), Foreign, Commonwealth & Development Office (gov.uk, Open Government Licence v3.0), Centers for Disease Control and Prevention (Source: CDC). Only the competent authorities are authoritative.
FAQ
Can you swim in Asunción in May?
Asunción is not a seaside destination (no sea data).
How hot is Asunción in May?
Expect 23.5°C in the afternoon and 16.1°C at night, averaged over the last 10 years.
Does it rain a lot in Asunción in May?
Around 11 days with rain (≥ 1 mm) in the month — 36% of days.