April in Retalhuleu brings very high temperatures, with highs of 32°C (90°F) and nights dropping to 22°C (72°F). Rainfall is on the higher side this month, averaging around 136 mm (5.4 in), so keep a rain jacket handy.
If your ideal day consists of dry skies and pleasant temperatures, January and February typically offer the best circumstances for Retalhuleu.
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Pick a month to see the average temperature, rainfall and sunshine in Retalhuleu - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Retalhuleu typically stay consistent throughout April, with daily highs averaging around 32°C (90°F). Nights are warm, with lows around 23°C (73°F).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Retalhuleu spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on 24 years of weather observations (2002-2026), these are the most extreme conditions recorded in Retalhuleu.
Find out more about the weather in Guatemala and which places have the best travel conditions in this month. See all of Guatemala in April →
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 but pleasant conditions in Retalhuleu in April. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Retalhuleu climate overview or explore weather in Guatemala.
Where to go in April - average daytime high across popular destinations.
Flores
38°C (100°F) Rio Dulce Town33°C (91°F) Guatemala City
29°C (84°F) Cobán
28°C (82°F) Antigua Guatemala27°C (81°F) Panajachel24°C (75°F) Quetzaltenango
23°C (73°F) Need travel inspiration? Check out our bucket list articles and be inspired.
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