# Bariloche in May: weather

Bariloche, Argentina (South America). Ten-year climatology (2015-2024), not a forecast. Page: https://beaufixe.net/en/weather/bariloche/may

## Key figures

| Indicator | Value |
|---|---|
| Afternoon (mean daily max) | 8.8 °C |
| Night (mean daily min) | 3.2 °C |
| Rainy days (≥ 1 mm) | 13 / month |
| Relative humidity | 83 % |
| Probability of a 25 °C+ afternoon | 0 % |

## Month by month

| Month | Afternoon | Night | Sea | Rain (d) |
|---|---|---|---|---|
| January | 21.9 °C | 9.8 °C | – | 3 |
| February | 22.2 °C | 10.5 °C | – | 4 |
| March | 18.6 °C | 8.4 °C | – | 6 |
| April | 13.4 °C | 5.9 °C | – | 10 |
| May | 8.8 °C | 3.2 °C | – | 13 |
| June | 5.5 °C | 1.1 °C | – | 16 |
| July | 4.7 °C | -0.2 °C | – | 16 |
| August | 6 °C | 0.5 °C | – | 16 |
| September | 8.3 °C | 1.1 °C | – | 10 |
| October | 11.9 °C | 2.9 °C | – | 9 |
| November | 15.9 °C | 5.7 °C | – | 8 |
| December | 19.7 °C | 8 °C | – | 5 |

Best months : January, February, December.

## Before you go

- **Safety** : No specific restrictions. Usual precautions apply. (official advice updated 7 May 2026 — https://www.gov.uk/foreign-travel-advice/argentina)
- **Entry** (British passport) : No visa needed for stays of up to 90 days. Passport valid until your return date. Passports are no longer stamped on entry; contact the Argentine Migration Office if you need proof of entry or exit. (per the UK Foreign Office, 7 May 2026)
- **Vaccines** : hepatitis A and hepatitis B if you are not already vaccinated. Routine vaccines up to date (measles in particular).
- **Yellow fever** : Vaccine recommended for the whole country. No entry requirement.
- **Malaria** : None.
- **Mosquitoes** : dengue and Zika reported: protect yourself from bites.
  (per the CDC, page reviewed 3 September 2026 — https://wwwnc.cdc.gov/travel/destinations/traveler/none/argentina)

## Sources

Air, rain, humidity: ERA5-Land reanalysis (Copernicus) served by Open-Meteo (CC BY 4.0). Sea: NOAA OISST. Safety: FCDO (OGL v3), zones reviewed by Beau Fixe. Entry: France Diplomatie (Licence Ouverte 2.0) / FCDO. Health: CDC (public domain). Details: https://beaufixe.net/en/legal#sources

Beau Fixe — https://beaufixe.net — not a forecast; only the authorities are authoritative for safety, entry rules and health.