Region: Quetzaltenango Department · Guatemala
San Juan Ostuncalco travel guide
San Juan Ostuncalco is a city in Quetzaltenango Department, Guatemala, home to about 62,000 people.
- Best months
- December to March
- Nearest airport
- RER40 km · Retalhuleu Airport
- Currency
- GTQquetzal
- Time zone
- America/Guatemala
- Plugs
- A, B · 120 V
- Emergency
- 110
- Language
- Spanish
When to go
The best time to visit San Juan Ostuncalco
The most comfortable months for a city stay in San Juan Ostuncalco are December to March. April is the warmest month, with average highs of 29 °C; September is the wettest, with about 478 mm of rain.
Comfortable means average daytime high between 18 °C and 29 °C and under 80 mm of rain in the month. Averages for 1991–2020 over the surrounding area, a grid square about 50 km across, so a coast or a nearby mountain can make the town itself warmer or cooler. Data: CRU TS v4.10, Climatic Research Unit, University of East Anglia (Open Database License).
Public holidays in Guatemala, 2026
Shops and offices may close on these dates.
Getting there
Getting to San Juan Ostuncalco: airports and arrival
The nearest airport with scheduled flights is Retalhuleu Airport (RER), about 40 km from the city centre in a straight line; Tapachula International Airport (TAP, 81 km) and La Aurora International Airport (GUA, 122 km) are also within reach.
RER · Retalhuleu Airport
TAP · Tapachula International Airport
GUA · La Aurora International Airport
Questions
San Juan Ostuncalco: questions travellers ask
When is the best time to visit San Juan Ostuncalco?
The most comfortable months for a city stay in San Juan Ostuncalco are December to March. April is the warmest month, with average highs of 29 °C; September is the wettest, with about 478 mm of rain.
Which airport is closest to San Juan Ostuncalco?
The nearest airport with scheduled flights is Retalhuleu Airport (RER), about 40 km from the city centre in a straight line; Tapachula International Airport (TAP, 81 km) and La Aurora International Airport (GUA, 122 km) are also within reach.
What currency is used in San Juan Ostuncalco?
quetzal (GTQ).
Nearby
Destinations near San Juan Ostuncalco
Sources: city facts from Wikidata and Wikipedia; airports from OurAirports; climate from CRU TS v4.10 (University of East Anglia Climatic Research Unit), 1991–2020 monthly means, 0.5° grid; public holidays from python-holidays (MIT); places to stay, guest scores and amenities from each operator's own public pages. How this guide is made.