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Best time to visit · Costa Rica
For the most comfortable weather in La Fortuna, aim for January – March. February tops our comfort score at 79/100, with highs around 83°F (28°C) and 0.9 in (22 mm) of rain. April and December are good shoulder-season months. The toughest months are May and September & October, mainly because of rain.
Highs run from 81°F to 89°F across the year, and the yearly total is about 63.2 in (1605 mm) of rain.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 81°F27°C | 83°F28°C | 87°F30°C | 89°F32°C | 87°F30°C | 83°F29°C | 82°F28°C | 83°F28°C | 83°F28°C | 82°F28°C | 81°F27°C | 81°F27°C |
| Avg low | 69°F21°C | 69°F20°C | 69°F21°C | 71°F21°C | 72°F22°C | 73°F23°C | 73°F23°C | 72°F22°C | 72°F22°C | 72°F22°C | 71°F22°C | 70°F21°C |
| Rain | 1.3 in34 mm | 0.9 in22 mm | 1.0 in26 mm | 2.4 in60 mm | 7.7 in195 mm | 7.2 in183 mm | 6.0 in153 mm | 7.0 in177 mm | 9.2 in233 mm | 11.1 in283 mm | 7.0 in179 mm | 2.4 in60 mm |
| Humidity | 85% | 81% | 75% | 74% | 82% | 90% | 90% | 90% | 91% | 92% | 92% | 89% |
| Cloud | 59% | 51% | 51% | 66% | 83% | 86% | 87% | 84% | 83% | 84% | 79% | 66% |
| Comfort | 78 | 79 | 76 | 64 | 41 | 43 | 49 | 46 | 40 | 40 | 52 | 71 |
Source: NASA POWER (public domain), 2001–2025 monthly averages on a ~50 km satellite and reanalysis grid, so coasts and valleys can differ from what's shown. Temperatures were adjusted from the grid cell's ~506 m (1,660 ft) to La Fortuna's ~253 m (830 ft) elevation using the standard lapse rate of 6.5°C per 1,000 m. Precipitation includes snow as melted water; daylight is calculated from latitude. Check a forecast before you go.
Temperatures barely move through the year in La Fortuna (highs stay between 81°F and 89°F), so rain is what really separates the seasons.
Expect steady highs of 81–89°F (27–32°C). It's the driest half, with only about 14.0 in (355 mm) of rain, 22% of the year's total. July and December – March feel humid, with humidity near 85%. January – March are among the best-scoring months (season average 70/100).
Temperatures slide from 87°F highs in May to 81°F by November. It's the wettest half, with about 49.2 in (1250 mm) of rain, 78% of the year's total. May & June and August – November feel humid, with humidity near 82%. Comfort scores bottom out in May and September & October; the season averages 44/100.
By comfort score: 3 Great, 2 Good, 3 Fair and 4 Tough. Great months: January – March. Tap a month for its own guide.
For the most comfortable weather in La Fortuna, aim for January – March. February tops our comfort score at 79/100, with highs around 83°F (28°C) and 0.9 in (22 mm) of rain. April and December are good shoulder-season months. The toughest months are May and September & October, mainly because of rain.
October is the wettest month, averaging about 11.1 in (283 mm) of rain. February is the driest, with about 0.9 in (22 mm). The yearly total is around 63.2 in (1605 mm).
February is the coldest, with average lows of 69°F (20°C) and highs of 83°F (28°C). The warmest is April, with average highs of 89°F (32°C).
Yes for much of the year: humidity averages 86% annually, and May – March combine warmth with 75%+ humidity, which feels sticky.
The wettest three-month stretch is September – November, with about 27.4 in (695 mm) of rain combined. The driest stretch is January – March, with about 3.2 in (82 mm).
Poll the group on January – March dates, then plan the days, packing and costs together.
