Fortuna Weather in January
January in Fortuna averages 27°C (81°F) during the day and 19°C (66°F) at night. Quite a bit of rainfall is typical this month, with around 130 mm (5.1 in) on average. An umbrella is a good idea.
Rainfall in Fortuna in January
Analyzing past climate data, one can expect approximately 10 days of rain, averaging 130 mm (5.1 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Fortuna in January
In January, Fortuna gets high temperatures, with highs of 27°C (81°F). Nights cool to around 19°C (66°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. With lows of 19°C (66°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest. While slightly cooler, this month still offers warm and pleasant weather.
Sunshine in Fortuna in January
There are approximately 264 hours of sunshine this month, resulting in mostly clear days.Should you favor a climate that's both dry and comfortably warm, February and March typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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 January
Min Temperature
19°C (66°F)
Max Temperature
27°C (81°F)
Chance of Rain
34%
Precipitation
130 mm (5.1 in)
Rainy days
10 days
Sunshine
264 hours *
Percentage Sunshine
*
Daily Historical Temperatures
46-year average (1976-2026)
Based on our historical records, temperatures in Fortuna typically stay consistent throughout January, with daily highs averaging around 27°C (81°F). Nights are pleasant, with lows around 19°C (66°F).
Average temperatures in January
Daily Historical Precipitation
46-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather for Fortuna in January
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 January
The extremes listed below come from historical weather data collected in Fortuna from 1997 through 2025.
- The warmest day in January was on January 20, 2024, with a maximum of 34°C (93°F).
- On January 15, 2000, Fortuna saw its coldest January day with temperatures maxing out at 20°C (68°F).
- Fortuna registered its coldest January night on January 11, 1997, with temperatures dropping to 13°C (55°F).
- The heaviest January precipitation occurred on January 4, 2018, when 91 mm (3.6 in) of precipitation fell.
Best Places in Costa Rica in January
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 January →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Fortuna in January
Warm temperatures in January 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. Prepare for significant rainfall with proper waterproof clothing and shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Fortuna in January
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.
