Guatemala City weather in August
August in Guatemala City: warm, a little rain, with clean air — an excellent time to visit.
Updated September 2026 · climate normals from ERA5 reanalysis
#8 of 12 months in Guatemala City · #368 of 1413 destinations to visit in August · comfort 87/100 (tier A)
- Days
- 26°C
- Nights
- 17°C
- Wet days
- 13
- Sun
- 10.5 h
- Humidity
- 78%
- Daylight
- 13 h

Traveller notes on Guatemala City in August
Notes from nearby Panajachel (70 km away)
Guatemala City doesn't have its own notes for August yet — these are about Panajachel, close enough to share the season.
Lake Atitlán/Panajachel forum threads describe August as a genuine mixed bag - some stretches bring very little rain for weeks, other times it rains most afternoons for an hour or two, with tropical-storm-driven multi-day rain the real exception rather than the norm. The typical daily pattern posters described: gorgeous mornings, then a chance of rain arriving after around 2pm, sometimes hard but usually brief. Crucially, several regulars pointed out it's never oppressively hot here even in the rainy season, since the lake's highland elevation keeps temperatures moderate regardless of rainfall - a rain jacket was the standard packing tip rather than heat gear.
Other months in Guatemala City
Forum posters describe June mornings in Guatemala as nearly always gorgeous, with rain typically arriving in the afternoon or evening - posters describe a reliable pattern where rain shows up predictably between roughly 4pm and 6pm rather than lasting all day. Posters consistently name June through October as the rainy season, but are direct that it seldom rains continuously, describing June specifically as still an enjoyable, manageable time to visit. Posters do flag that weather patterns have grown less predictable in recent years, with some visitors reporting an unexpectedly dry June and a genuine mix of cloudy and sunny stretches throughout the month. Posters generally rate June as workable with rain gear on hand, rather than a month that seriously disrupts travel plans.
Forum posters describe December as sitting within Guatemala's dry season, with rain, if any, described as far from the 'loads' some might expect from the wider region's reputation. Posters cite typical daytime temperatures in the low 70sF with nights dropping to the upper 50sF or occasionally into the 50s, genuinely chilly by local standards - posters are consistent that November through March can turn pretty cool in Guatemala City, Antigua and the highlands specifically. Posters flag real demand pressure around Christmas, with many Guatemalans traveling home to see family, driving up both flight prices and accommodation demand - booking hotels and travel well ahead for the final days of December is standard advice given how competitive that stretch gets.
Add your own note from Guatemala City's card on the map.
Guatemala City climate normals — August
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Guatemala City in August
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusyFeria de Jocotenango, school holidays in 3 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Guatemala City's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherGuatemala City's weather peaks December–February, best around January.
Best weatherFair weatherToughest weather
What's on in Guatemala City in August
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Hazard
Volcanic activity
1 Jan – 31 DecFuego erupts more or less constantly forty kilometres west and Pacaya is closer still. A big enough ash column has shut La Aurora airport for a day at a time, and neither volcano keeps to a season. Source ↗
- Festival
Feria de Jocotenango
10–20 Aug · usuallyReligious feastCrowdedClosuresThe capital's patron day on the fifteenth is a public holiday in Guatemala City and nowhere else in the country, with a fairground and rides at the Hipódromo del Norte for a week around it. Source ↗
Nearby, and something's on
Within 300 km of Guatemala City — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Guatemala City?
Guatemala City in August — FAQ
- Is August a good time to visit Guatemala City?
- August in Guatemala City: warm, a little rain, with clean air — an excellent time to visit. It ranks #8 of 12 months for Guatemala City on SeasonMap's comfort score (87/100).
- What is the weather like in Guatemala City in August?
- In August, Guatemala City averages a daily high of 25.7°C and a low of 17.1°C, with about 62.4 mm of rain over roughly 12.7 rainy days.
- What is the air quality in Guatemala City in August?
- Guatemala City has a mean US Air Quality Index of about 48 in August.
Within 300 km: Lake Atitlán's Feast of the Assumption at Solola around 7–16 Aug, and Antigua Guatemala's Canícula, the midsummer dry spell around 1 Jul – 20 Aug.