Antigua Guatemala weather in May

May in Antigua Guatemala: hot, soaked, with muggy air — fine if you can take 28 rainy days.

Updated September 2026 · climate normals from ERA5 reanalysis

Antigua Guatemala🇬🇹 Guatemala · Northern Central America · City65
  1. 94Jan
  2. 91Feb
  3. 85Mar
  4. 78Apr
  5. 65May
  6. 58Jun
  7. 77Jul
  8. 70Aug
  9. 59Sep
  10. 68Oct
  11. 86Nov
  12. 93Dec

#10 of 12 months in Antigua Guatemala · #1103 of 1413 destinations to visit in May · comfort 65/100 (tier C)

Days
27°C
Nights
19°C
Wet days
28
Sun
10.3 h
Humidity
76%
Daylight
13 h
Antigua Guatemala, Guatemala
Photo: Mario Spencer · Pexels

Traveller notes on Antigua Guatemala in May

Notes from nearby Lake Atitlán (53 km away)

Antigua Guatemala 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.
LakeAtitlanMayRegular · May · 1 month ago · about Lake Atitlán · Read more on Tripadvisor ↗

Other months in Antigua Guatemala

Regulars are specific this highland city at roughly 5,200 feet enjoys what's locally called an eternal spring climate, late April marking the very beginning of the rainy season with genuinely wide variability - some years bringing no rain at all through the month, others bringing a lot. Our row backs that mild, genuinely wet read, 27.9C reading as a hot 30C, over 17.8C nights feeling 19C, with a substantial 98.8mm of rain across 17.9 days and humidity at 67 percent. Regulars are consistent daytime highs commonly cited around 26C with nights in the high teens, comfortable enough that heavy layers aren't needed even as the rainy season approaches. Air quality here can also be a real factor this time of year given regional burning season. The record: 11.3 hours of sun, an 8.7 kph wind and AQI 88.
EternalSpringVariableRainyStart · April · 1 month ago · Read more on Tripadvisor ↗
Regulars call this a fantastic month, sunny and warm by day with genuinely cool to cold nights as dry-season cold air masses reach the highlands - the wet season here runs May to October, placing March squarely in the dry, reliable half of the year. Our row backs both halves of that swing, 27.6C over 16.9C, with rain a minor presence at 30.5mm across 9.9 days. One caution some visitors raise for the back half of the month into April is poor visibility, a haze that settles over the highlands as the dry season wears on - agricultural burning is the usual cause across this region, worth knowing before planning a view-dependent day trip. The air quality column already shows the season's toll, AQI 81. The record: humidity 64 percent, 11.1 hours of sun and a 9.6 kph wind.
SunnyWarmDaysColdNightsLittleRain · March · 1 month ago · Read more on Tripadvisor ↗
November is the handover month and regulars put the line at its start: the rains are generally done by the beginning of November, so early in the month still carries a decent chance of one and late in the month barely any. What they value is the overlap - the dry season starting while the countryside is still lush from the rains just finished. They add that it can be windy and cool, and that the town's 5,000 feet of altitude is why the temperature barely moves across the year. Our row gives 24.9C over 16.8C with 60.1mm across 9 days. The figure to check is the air at AQI 73. The record: humidity 77 percent, 9.7 hours of sun and a 9.1 kph wind.
GreenFromTheRainsJustGone · November · 1 month ago · Read more on Tripadvisor ↗
January and February are the months regulars name for Antigua: good weather, not overrun, and rain maybe once or twice across a four or five week stay - our row gives 13.1mm across 3.8 precipitation days. The qualification is about sight rather than comfort. Three volcanoes stand over the town and only Fuego is active, but the view is never guaranteed: cloud rolls in even in the dry season and can lift again just as suddenly, and a storm is possible whatever the label says. What they do promise is that mornings are usually the gorgeous part, so plan the view and the Acatenango start early. Our 26.5C day over a 15.8C night is the altitude. The record: humidity 64 percent, 10.7 hours of sun, a 10.6 kph wind and AQI 66.
MorningsAreTheGorgeousPart · February · 1 month ago · Read more on Tripadvisor ↗

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

Antigua Guatemala climate normals — May

Daytime high27°C / 81°F🥵 hot
Nighttime low19°C / 66°F
Feels like (high)30°C / 86°F
Rainfall218 mm / 8.6 in⛈ soaked
Rainy days28 days
Humidity76%💦 very humid
Dew point18°C / 64°F
Sunshine10.3 h/day
Daylight12.8 h
Wind7 km/h / 4 mph
Air quality (US AQI)100🙂 moderate

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Antigua Guatemala 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)

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Peak crowdsBusyShoulder seasonQuiet

Best months for Antigua Guatemala'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 weatherAntigua Guatemala's weather peaks December–February, best around January.

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Best weatherFair weatherToughest weather

What's on in Antigua Guatemala in May

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Festival

    Corpus Christi carpets

    21 May – 27 Jun · usuallyReligious feast

    The Corpus Christi procession leaves the churches over streets laid with sawdust and flower carpets, the tradition Holy Week borrowed. Smaller and far less crowded than Semana Santa. Source ↗

What's on around the world in May →

Where is Antigua Guatemala?

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Antigua Guatemala in May — FAQ

Is May a good time to visit Antigua Guatemala?
May in Antigua Guatemala: hot, soaked, with muggy air — fine if you can take 28 rainy days. It ranks #10 of 12 months for Antigua Guatemala on SeasonMap's comfort score (65/100).
What is the weather like in Antigua Guatemala in May?
In May, Antigua Guatemala averages a daily high of 27.4°C and a low of 18.8°C, with about 218.2 mm of rain over roughly 27.5 rainy days.
What is the air quality in Antigua Guatemala in May?
Antigua Guatemala has a mean US Air Quality Index of about 100 in May.