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

Guatemala City🇬🇹 Guatemala · Northern Central America · City87
  1. 97Jan
  2. 96Feb
  3. 91Mar
  4. 89Apr
  5. 82May
  6. 76Jun
  7. 88Jul
  8. 87Aug
  9. 83Sep
  10. 84Oct
  11. 93Nov
  12. 96Dec

#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
Guatemala City, Guatemala
Photo: K · Pexels

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.
LakeAtitlanRegular · August · 1 month ago · about Panajachel · Read more on Tripadvisor ↗

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.
Tripadvisor community · June · 1 month ago · Read more on Tripadvisor ↗
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.
Tripadvisor community · December · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Guatemala City's card on the map.

Guatemala City climate normals — August

Daytime high26°C / 78°F🌤 warm
Nighttime low17°C / 63°F
Feels like (high)27°C / 81°F
Rainfall62 mm / 2.5 in🌦 some rain
Rainy days13 days
Humidity78%💦 very humid
Dew point16°C / 61°F
Sunshine10.5 h/day
Daylight12.6 h
Wind11 km/h / 7 mph
Air quality (US AQI)48🍃 good

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)

JFMAMJJASOND

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.

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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 Dec

    Fuego 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 feastCrowdedClosures

    The 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 ↗

What's on around the world in August →

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?

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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.