La Fortuna
Weather by month
Current – 10-day forecastForecast

La Fortuna Weather in January

January in La Fortuna averages 26°C (79°F) during the day and 20°C (68°F) at night. Quite a bit of rainfall is typical this month, with around 113 mm (4.4 in) on average. An umbrella is a good idea.

Rainfall in La Fortuna in January

You can typically expect 12 days of rain this month, averaging around 113 mm (4.4 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in La Fortuna in January

In January, expect high temperatures in La Fortuna, with highs of 26°C (79°F) and lows of 20°C (68°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights cool down to 20°C (68°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

If your ideal day consists of dry skies and pleasant temperatures, February, March and April typically offer the best circumstances for La Fortuna.

La Fortuna Temperature in January

Min Temperature
20°C (68°F)
Max Temperature
26°C (79°F)
Chance of Rain
40%
Precipitation
113 mm (4.4 in)
Rainy days
12 days

La Fortuna Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in La Fortuna - and find the best time to visit.

Daily Historical Temperatures

46-year average (1976-2026)

Based on our historical records, temperatures in La Fortuna typically stay consistent throughout January, with daily highs averaging around 26°C (79°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 records for La Fortuna in January

Browse day-by-day weather records for La Fortuna spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

La Fortuna historical weather extremes in January

The extremes listed below come from historical weather data collected in La Fortuna from 1997 through 2025.

  • On January 13, 2001, temperatures climbed to 33°C (91°F), marking the warmest January day on record.
  • The coldest January day was on January 15, 2000, with a maximum of 20°C (68°F).
  • La Fortuna registered its coldest January night on January 11, 1997, with temperatures dropping to 13°C (55°F).
  • The wettest day in January La Fortuna was on January 31, 2004 with 52 mm (2 in) of precipitation.

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

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 La 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.

What To Do in La Fortuna in January

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Cycling
    7/10
  • Walking
    7/10
  • Camping
    6/10
  • Outdoor sports
    7/10

La Fortuna 3-Day Forecast

More climate data for La Fortuna

Popular in January

Where to go in January - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.