San Marcos Weather in August
Thinking of visiting San Marcos in August? Expect very high temperatures reaching 32°C (90°F) during the day, dropping to 24°C (75°F) at night. Heavy showers are common during the rainy season.
Rainfall in San Marcos in August
San Marcos is in the rainy season in August, with rain on around 21 days and an average of 194 mm (7.6 in). Rain during the rainy season is significant rather than just light drizzle. Expect proper showers on most rainy days.
Temperature in San Marcos in August
In August, San Marcos gets very high temperatures, with highs of 32°C (90°F). Nights cool to around 24°C (75°F). Sunshine and humidity can make it feel even warmer than the raw temperature suggests. With lows around 24°C (75°F), the nights are warm enough that a sheet is usually all you need for bedding.
Sunshine in San Marcos in August
The month enjoys around 197 hours of sunshine. The wet weather tends to wait until afternoon or evening to arrive, leaving the first half of most days dry and sunny.August in San Marcos 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 Nicaragua, check out our San Marcos's climate page.
San Marcos Temperature in August
Min Temperature
24°C (75°F)
Max Temperature
32°C (90°F)
Chance of Rain
70%
Precipitation
194 mm (7.6 in)
Rainy days
21 days
Humidity
81% *
Sunshine
197 hours *
Percentage Sunshine
*
Daily Historical Temperatures
33-year average (1983-2025)
Based on our historical records, temperatures in San Marcos typically stay consistent throughout August, with daily highs averaging around 32°C (90°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in August
Historical weather for San Marcos in August
Browse day-by-day weather records for San Marcos spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
San Marcos historical weather extremes in August
Our historical data for San Marcos spans 1996 to 2025, revealing these weather extremes.
- On August 31, 2016, temperatures climbed to 36°C (97°F), marking the warmest August day on record.
- The coldest August day was on August 24, 2023, with a maximum of 25°C (77°F).
- San Marcos registered its coldest August night on August 8, 2020, with temperatures dropping to 17°C (63°F).
Best Places in Nicaragua in August
Find out more about the weather in Nicaragua and which places have the best travel conditions in this month. See all of Nicaragua in August →
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What to Wear in San Marcos in August
Warm but pleasant conditions in San Marcos 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. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in San Marcos 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 Nicaragua, check out our San Marcos's climate page.
Temperature Rainfall Sunshine Humidity
See the full San Marcos climate overview or explore weather in Nicaragua.
