Fortuna Weather in October
October in Fortuna averages 28°C (82°F) during the day and 21°C (70°F) at night. It is the wettest month of the year, with 331 mm (13 in) of rainfall on average, so waterproof gear is a must.
Rainfall in Fortuna in October
Fortuna is in the rainy season in October, with rain on around 22 days and an average of 331 mm (13 in). Rain during the rainy season here tends to be intense rather than just persistent drizzle. Expect significant downpours, often in the late afternoon.
Temperature in Fortuna in October
Fortuna in October gets highs of 28°C (82°F) during the day and drops to 21°C (70°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. With lows of 21°C (70°F), the nights are warm and generally comfortable.
Sunshine in Fortuna in October
You can expect a moderate amount of sunlight, with approximately 167 hours. Even though this month is part of the wet season, you can still see the sun occasionally.October in Fortuna 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 Costa Rica, check out our Fortuna's climate page.
Fortuna Temperature in October
Min Temperature
21°C (70°F)
Max Temperature
28°C (82°F)
Chance of Rain
73%
Precipitation
331 mm (13 in)
Rainy days
22 days
Sunshine
167 hours *
Percentage Sunshine
*
Daily Historical Temperatures
46-year average (1976-2025)
Based on our historical records, temperatures in Fortuna typically stay consistent throughout October, with daily highs averaging around 28°C (82°F). Nights are pleasant, with lows around 19°C (66°F).
Average temperatures in October
Daily Historical Precipitation
46-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in October
Historical weather for Fortuna in October
Browse day-by-day weather records for Fortuna spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Fortuna historical weather extremes in October
Based on 31 years of weather observations in Fortuna between 1994 and 2025, these are the recorded extremes.
- On October 1, 2012, temperatures climbed to 35°C (95°F), marking the warmest October day on record.
- The coldest October day was on October 9, 2022, with a maximum of 20°C (68°F).
- The coldest night in October in Fortuna was on October 12, 2011, with a minimum of 15°C (59°F).
- The wettest October day on record brought 174 mm (6.9 in) of precipitation to Fortuna (October 5, 2017).
Best Places in Costa Rica in October
Find out more about the weather in Costa Rica and which places have the best travel conditions in this month. See all of Costa Rica in October →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Fortuna 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. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Fortuna 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 Costa Rica, check out our Fortuna's climate page.
See the full Fortuna climate overview or explore weather in Costa Rica.
