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San Carlos Weather in October
Thinking of visiting San Carlos in October? Expect very high temperatures reaching 30°C (86°F) during the day, dropping to 24°C (75°F) at night. Heavy showers are common during the rainy season.
Rainfall in San Carlos in October
San Carlos is in the rainy season in October, with rain on around 22 days and an average of 279 mm (11 in). Rain during the rainy season is significant rather than just light drizzle. Expect proper showers on most rainy days.
Temperature in San Carlos in October
In October, San Carlos sees very high temperatures, with highs of 30°C (86°F). Nights drop to around 24°C (75°F). Mornings and evenings are often more comfortable than the peak afternoon hours. With lows around 24°C (75°F), the nights are warm enough that a sheet is usually all you need for bedding.If you prefer dry days with pleasant temperatures, October may not be the ideal month to visit San Carlos. Our weather planner can help you explore destinations with more pleasant weather conditions.
San Carlos Temperature in October
Min Temperature
24°C (75°F)
Max Temperature
30°C (86°F)
Chance of Rain
72%
Precipitation
279 mm (11 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 October
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 October
Based on weather observations in San Carlos between 2006 and 2025, these are the recorded extremes during October.
- On October 6, 2023, temperatures climbed to 34°C (93°F), marking the warmest October day on record.
- San Carlos experienced its chilliest October day on October 9, 2022, reaching only 25°C (77°F).
- The lowest overnight temperature recorded in October was 21°C (70°F) (October 28, 2021).
- The wettest October day on record brought 158 mm (6.2 in) of precipitation to San Carlos (October 11, 2024).
Best Places in Nicaragua in October
Find out more about the weather in Nicaragua and which places have the best travel conditions in this month. See all of Nicaragua in October →
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 October
Warm weather calls for comfortable, breathable clothing in October. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can.
What To Do in San Carlos in October
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 October
Where to go in October - average daytime high across popular destinations.
Managua
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