Guatemala City weather in May
May in Guatemala City: hot, a little rain — an excellent time to visit.
Updated September 2026 · climate normals from ERA5 reanalysis
#11 of 12 months in Guatemala City · #643 of 1413 destinations to visit in May · comfort 82/100 (tier A)
- Days
- 27°C
- Nights
- 18°C
- Wet days
- 10
- Sun
- 10.7 h
- Humidity
- 74%
- Daylight
- 13 h

Traveller notes on Guatemala City in May
Notes from nearby Lake Atitlán (75 km away)
Guatemala City doesn't have its own notes for May yet — these are about Lake Atitlán, close enough to share the season.
Lake Atitlan-forum threads on May weather for Antigua and the lake describe mornings as typically clear, real rain more likely by afternoon or evening as the month progresses toward the rainy season. Regulars call a rain jacket worth packing regardless of how clear the morning sky looks, conditions shifting fast once cloud builds. Posters describe May as genuinely transitional, some days sunny throughout while others bring real cloud and rain in roughly equal measure, a single day hard to predict. Regulars call the lake still a striking sight in this shoulder-season stretch, warm daytime temperatures a real upside regardless of an occasional shower. Posters recommend real layers for the evening chill at this elevation, comfortable warmth fading fast once the sun drops. Regulars call May a reasonable window for anyone flexible about an afternoon system. The record: 24.2C days feeling like 28C, 18.3C nights, an extraordinarily high 375.6mm across nearly 28 days and 84 percent humidity.
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 — May
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Guatemala City in May
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.
Quietone of its worst months for weather(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).
Toughest weatherGuatemala City's weather peaks December–February, best around January.
May coincides with Volcanic activity.
Best weatherFair weatherToughest weather
What's on in Guatemala City in May
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 ↗
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 May — FAQ
- Is May a good time to visit Guatemala City?
- May in Guatemala City: hot, a little rain — an excellent time to visit. It ranks #11 of 12 months for Guatemala City on SeasonMap's comfort score (82/100).
- What is the weather like in Guatemala City in May?
- In May, Guatemala City averages a daily high of 27.1°C and a low of 17.8°C, with about 61.3 mm of rain over roughly 10.2 rainy days.
- What is the air quality in Guatemala City in May?
- Guatemala City has a mean US Air Quality Index of about 90 in May.
Within 300 km: Antigua Guatemala's Corpus Christi carpets around 21 May – 27 Jun.