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San Carlos Weather in August
During August, San Carlos experiences very high daytime temperatures of 30°C (86°F) and cooler nights around 24°C (75°F). August sits within the rainy season, so expect regular and often heavy rainfall.
Rainfall in San Carlos in August
San Carlos is in the rainy season in August, with rain on around 22 days and an average of 249 mm (9.8 in). The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.
Temperature in San Carlos in August
If you're visiting San Carlos in August, expect highs of 30°C (86°F) and overnight lows around 24°C (75°F). If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. Nights are warm at 24°C (75°F). It's worth making sure your accommodation has decent ventilation or air conditioning.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January typically offers the best weather for San Carlos.
San Carlos Temperature in August
Min Temperature
24°C (75°F)
Max Temperature
30°C (86°F)
Chance of Rain
72%
Precipitation
249 mm (9.8 in)
Rainy days
22 days
Humidity
89% *
* Data from: Los Chiles, Costa Rica (12 KM, 7 Miles).
San Carlos Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in San Carlos - and find the best time to visit.
Historical weather records for San Carlos in August
Browse day-by-day weather records for San Carlos spanning 23 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
San Carlos historical weather extremes in August
Based on 20 years of weather observations (2006-2026), these are the most extreme conditions recorded in San Carlos.
- San Carlos recorded its highest August temperature of 35°C (95°F) on August 30, 2023.
- The coldest August day was on August 15, 2019, with a maximum of 25°C (77°F).
- Nighttime temperatures dropped to 21°C (70°F) on August 3, 2018, marking the coldest August night on record.
- The wettest day in August San Carlos was on August 31, 2021 with 67 mm (2.6 in) of precipitation.
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 →
perfect weather
pleasant
tolerable
unpleasant
poor
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).
What to Wear in San Carlos in August
Warm but pleasant conditions in San Carlos 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.
What To Do in San Carlos in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling7/10 -
Walking7/10 -
Camping6/10 -
Outdoor sports7/10
San Carlos 3-Day Forecast
More climate data for San Carlos
See the full San Carlos climate overview or explore weather in Nicaragua.
Popular in August
Where to go in August - average daytime high across popular destinations.
Managua
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