San Marcos Weather in October
San Marcos in October sees very high daytime temperatures of 31°C (88°F) and nighttime lows of 23°C (73°F). With the highest rainfall of the year it is wise to pack an umbrella and expect frequent showers.
Rainfall in San Marcos in October
San Marcos is in the rainy season in October, with rain on around 22 days and an average of 297 mm (12 in). Rainfall this month is frequent and tends to be fairly heavy when it does fall. Packing waterproofs is a good idea.
Temperature in San Marcos in October
If you're visiting San Marcos in October, expect highs of 31°C (88°F) and overnight lows around 23°C (73°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 23°C (73°F). It's worth making sure your accommodation has decent ventilation or air conditioning. On average, it features the lowest temperatures of the year but it is still a warm month.
Sunshine in San Marcos in October
The month enjoys around 225 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.If you're looking for dry conditions and comfortable temperatures, October may not be the ideal month to visit San Marcos. Our weather planner can help you explore destinations with more pleasant weather conditions.
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 October
Min Temperature
23°C (73°F)
Max Temperature
31°C (88°F)
Chance of Rain
72%
Precipitation
297 mm (12 in)
Rainy days
22 days
Humidity
82% *
Sunshine
225 hours *
Percentage Sunshine
*
Daily Historical Temperatures
30-year average (1996-2025)
Based on our historical records, temperatures in San Marcos typically stay consistent throughout October, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 23°C (73°F).
Average temperatures in October
Historical weather for San Marcos in October
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 October
The extremes listed below come from historical weather data collected in San Marcos from 1996 through 2025.
- On October 3, 2023, temperatures climbed to 36°C (97°F), marking the warmest October day on record.
- The lowest daytime temperature in October was 24°C (75°F), recorded on October 30, 1998.
- Nighttime temperatures dropped to 18°C (64°F) on October 1, 2019, marking the coldest October night on record.
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 →
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What to Wear in San Marcos in October
Warm temperatures in October make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in San Marcos in October
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.
