Measured, not vibes
Best Time to Visit La Fortuna
By measured weather comfort, the top months for La Fortuna are December, January, November — and RouteVerdict's editorial pick, which also weighs crowds and prices, is January, February, March, April, July, August, December. The table below is computed from ERA5 reanalysis data for 2020–2024, measured at La Fortuna (256 m elevation).
Month by month
La Fortuna weather and comfort, 2020–2024
| Month | Avg high | Wet days | Comfort | Season |
|---|---|---|---|---|
| January | 26.1°C / 79°F | 24.2 | 61 | Best |
| February | 26.5°C / 80°F | 21.5 | 60 | |
| March | 27.9°C / 82°F | 22.7 | 56 | |
| April | 28.5°C / 83°F | 19 | 54 | |
| May | 28.7°C / 84°F | 22 | 53 | |
| June | 27.4°C / 81°F | 24.7 | 58 | Shoulder |
| July | 27°C / 81°F | 25.7 | 59 | |
| August | 27.5°C / 82°F | 25 | 57 | |
| September | 28°C / 82°F | 23.5 | 56 | |
| October | 27.4°C / 81°F | 24.7 | 58 | Shoulder |
| November | 26.3°C / 79°F | 24.8 | 61 | Best |
| December | 25.8°C / 78°F | 24.7 | 62 | Best |
Comfort is RouteVerdict's 0–100 score: 100·exp(−(high−23)²/162) × (1 − min(0.35, wet days × 0.02)). The full method is on the methodology page. Weather data by Open-Meteo.com (ERA5, CC BY 4.0), 2020–2024 normals. Wet day = ≥1 mm precipitation.
What the seasons are actually like
Traveling to La Fortuna month by month
La Fortuna's comfort score peaks in December at 61.9, with an average high of 25.8°C and 24.7 wet days, narrowly ahead of January's 61.3 and November's 60.8 — modest scores reflecting consistently heavy rainfall year-round. April is the least wet month, at 19 wet days, with comfort at 53.9 — still substantially rainy by most standards. July is the wettest, at 25.7 wet days. RouteVerdict's editorial pick spans January through April, July, August, and December — scattered months reflecting how marginal the real differences are.
FAQ
La Fortuna timing questions
What is the best month to visit La Fortuna?
By measured weather comfort (ERA5 2020–2024), the top months are December, January, and November, with December scoring highest. RouteVerdict's editorial pick is January, February, March, April, July, August, and December, which also weighs crowds, prices, and events.
What is the hottest month in La Fortuna?
May, with an average daily high of 28.7°C (84°F).
What is the rainiest month in La Fortuna?
July, averaging 25.7 days with at least 1 mm of precipitation.
When is shoulder season in La Fortuna?
June and October — the best-scoring months outside both the measured top three and RouteVerdict's editorial peak-season pick.
Is there ever a dry month in La Fortuna?
Not really — even April, the least wet month, still averages 19 wet days. July is the wettest, at 25.7.
What is La Fortuna's single best month for weather?
December, with an average high of 25.8°C, 24.7 wet days, and a comfort score of 61.9 — the highest measured for any month, though modest given the consistently heavy rainfall.