May in Monterrico brings very high temperatures, with daytime highs of 31°C (88°F) and nights around 25°C (77°F). It's part of the rainy season, with 188 mm (7.4 in) of rainfall on average, so an umbrella or poncho is a good idea.
If you're looking for dry conditions and comfortable temperatures, May may not be the ideal month to visit Monterrico. Our weather planner can help you explore destinations with more pleasant weather conditions.
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Pick a month to see the average temperature, rainfall and sunshine in Monterrico - and find the best time to visit.
41-year average (1977-2025)
Based on our historical records, temperatures in Monterrico typically stay consistent throughout May, with daily highs averaging around 31°C (88°F). Nights are pleasant, with lows around 20°C (68°F).
41-year average (1977-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Monterrico spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
According to our 29 years of weather records for Monterrico, the following extremes were recorded between 1997 and 2026.
Find out more about the weather in Guatemala and which places have the best travel conditions in this month. See all of Guatemala in May →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Warm temperatures in May make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything!
We rated the following activities from 1 (least suitable) to 10 (best) to do.
See the full Monterrico climate overview or explore weather in Guatemala.
Where to go in May - average daytime high across popular destinations.
Flores
37°C (99°F) Rio Dulce Town
33°C (91°F) Lívingston33°C (91°F) Cobán28°C (82°F) Guatemala City28°C (82°F) Antigua Guatemala26°C (79°F) Quetzaltenango23°C (73°F) Panajachel23°C (73°F) Need travel inspiration? Check out our bucket list articles and be inspired.
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