Retalhuleu Weather in August
Retalhuleu in August averages 30°C (86°F) during the day and 22°C (72°F) at night. August is part of the rainy season, so frequent rainfall is typical.
Rainfall in Retalhuleu in August
Retalhuleu is in the rainy season in August, with rain on around 20 days and an average of 410 mm (16 in). Rainy season showers here are typically intense, often clearing quickly but coming down hard while they last.
Temperature in Retalhuleu in August
August in Retalhuleu sees highs of 30°C (86°F) and lows of 22°C (72°F) overnight. It's usually most comfortable outside during the morning and later in the day. With lows of 22°C (72°F), the nights are warm and generally comfortable.
Sunshine in Retalhuleu in August
The city usually sees around 185 hours of sunlight, indicating a moderately sunny period (despite it being part of rainy season).August in Retalhuleu has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Guatemala, check out our Retalhuleu's climate page.
Retalhuleu Temperature in August
Min Temperature
22°C (72°F)
Max Temperature
30°C (86°F)
Chance of Rain
66%
Precipitation
410 mm (16 in)
Rainy days
20 days
Humidity
78% *
Sunshine
185 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Retalhuleu typically stay consistent throughout August, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 22°C (72°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Retalhuleu in August
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.
Retalhuleu historical weather extremes in August
Based on 19 years of weather observations (2006-2025), these are the most extreme conditions recorded in Retalhuleu.
- On August 31, 2023, temperatures climbed to 36°C (97°F), marking the warmest August day on record.
- Retalhuleu experienced its chilliest August day on August 24, 2013, reaching only 28°C (82°F).
- The lowest overnight temperature recorded in August was 16°C (61°F) (August 21, 2020).
- The wettest day in August Retalhuleu was on August 16, 2008 with 276 mm (11 in) of precipitation.
Best Places in Guatemala in August
Find out more about the weather in Guatemala and which places have the best travel conditions in this month. See all of Guatemala in August →
perfect weather
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tolerable
unpleasant
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What to Wear in Retalhuleu in August
Warm but pleasant conditions in Retalhuleu in August. 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. It's going to pour! Pack a good poncho and prepare for very wet conditions. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Retalhuleu in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Guatemala, check out our Retalhuleu's climate page.
Temperature Rainfall Sunshine Humidity
See the full Retalhuleu climate overview or explore weather in Guatemala.
