Climate guide for La Fortuna, Costa Rica

Best Time to Visit
La Fortuna

How to read the score (0–10)
05810
UnfavorableGoodOptimal

About La Fortuna

La Fortuna is a nature and wildlife destination in Costa Rica. Plan around the drier months outside peak monsoon for more reliable conditions, then drill into monthly scores when you need finer timing for nature travel. Use the monthly scores to plan outdoor time around temperature, rainfall, humidity, daylight and sunny days.

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Travel Tips

Timing & weather
Check La Fortuna's monthly climate scores before locking flights - tropical patterns shift comfort for nature trips across the year.
Getting around
In La Fortuna, pair a walkable core day with one transit or transfer buffer - crowds and traffic vary by season in Costa Rica.
Tickets & access
Reserve popular museums and day trips from La Fortuna ahead in peak months; shoulder seasons are more flexible.
Pack for the profile
Bring broken-in footwear, a rain layer, and offline maps for La Fortuna. Check trail, road, and weather conditions before setting out, because outdoor access can change quickly.

Things to do in La Fortuna

La Fortuna, Costa Rica. Live activities and tours from GetYourGuide, matched to this destination.

When to visit La Fortuna: the short answer

The best time to visit La Fortuna is February, followed by January, March. Those months combine the most usable temperatures with the fewest lost days to rain: February averages 24°C with 12 mm of rain and about 19 sunny days. The months to avoid unless you have a specific reason are November, October. If budget matters more than perfect weather, June is the strongest of the low-rate months at 4.5/10.

Across the year La Fortuna swings from 23°C in January to 26°C in May, a 3-degree spread, while rainfall ranges from 8 mm in January to 472 mm in November. That is the whole planning problem in one sentence: La Fortuna is not equally good year-round, and the difference between the best and worst month here is 4.6 points on a 10-point scale.

Warmest month: May (26°C). Coolest: January (23°C). Driest: January (8 mm). Wettest: November (472 mm).

La Fortuna month by month

January in La Fortuna — reliably good (2nd best month)

Good · 8.2/10

January averages 23°C (73°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.

Rain is a non-issue at 8 mm for the month, with about 16 sunny days and 11.5 hours of daylight to work with.

It scores 8.2/10 here, 2nd of 12 months, against 8.5/10 in the destination's best month.

Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

Pack light clothing, swimwear and real sun protection, footwear you can get muddy.

February in La Fortuna — the year's strongest window

Best window · 8.5/10

February averages 24°C (74°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.

Rain is a non-issue at 12 mm for the month, with about 19 sunny days and 11.7 hours of daylight to work with.

On our climate-comfort scale this is the top-ranked month of the year for La Fortuna at 8.5/10 — the reference point every other month on this page is measured against.

Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

Pack light clothing, swimwear and real sun protection, footwear you can get muddy.

March in La Fortuna — reliably good (3rd best month)

Good · 7.4/10

March averages 25°C (76°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.

Rainfall runs 71 mm, so plan one flexible day in three; you still get about 23 sunny days and 11.9 hours of daylight.

It scores 7.4/10 here, 3rd of 12 months, against 8.5/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack light clothing, swimwear and real sun protection, a packable rain layer, footwear you can get muddy.

April in La Fortuna — reliably good (5th best month)

Good · 7.2/10

April averages 25°C (78°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.

Rainfall runs 65 mm, so plan one flexible day in three; you still get about 21 sunny days and 12.2 hours of daylight.

It scores 7.2/10 here, 5th of 12 months, against 8.5/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack light clothing, swimwear and real sun protection, a packable rain layer, footwear you can get muddy.

May in La Fortuna — the hardest end of the year

Hardest · 4.4/10

May averages 26°C (78°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.

467 mm of rain puts this in monsoon territory — about 19 sunny days across the whole month, and multi-day washouts are normal.

It scores 4.4/10 here, 8th of 12 months, against 8.5/10 in the destination's best month.

Expect low-season pricing, and crowds are light for this destination.

Pack light clothing, swimwear and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.

If your dates are flexible, February is materially better in La Fortuna — 4.1 points higher on the same scale.

June in La Fortuna — the hardest end of the year

Hardest · 4.5/10

June averages 24°C (76°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.

356 mm of rain puts this in monsoon territory — about 16 sunny days across the whole month, and multi-day washouts are normal.

It scores 4.5/10 here, 7th of 12 months, against 8.5/10 in the destination's best month.

Expect low-season pricing, and crowds are light for this destination.

Pack light clothing, swimwear and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.

If your dates are flexible, February is materially better in La Fortuna — 4 points higher on the same scale.

July in La Fortuna — the hardest end of the year

Hardest · 4.3/10

July averages 24°C (76°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.

210 mm of rain puts this in monsoon territory — about 12 sunny days across the whole month, and multi-day washouts are normal.

It scores 4.3/10 here, 10th of 12 months, against 8.5/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack light clothing, swimwear and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.

If your dates are flexible, February is materially better in La Fortuna — 4.2 points higher on the same scale.

August in La Fortuna — workable with trade-offs

Trade-offs · 5.2/10

August averages 24°C (76°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.

At 138 mm this is a genuinely wet month: about 15 sunny days in total, and outdoor plans need an indoor fallback.

It scores 5.2/10 here, 6th of 12 months, against 8.5/10 in the destination's best month.

Expect mid-season pricing, and crowds are moderate.

Pack light clothing, swimwear and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.

If your dates are flexible, February is materially better in La Fortuna — 3.3 points higher on the same scale.

September in La Fortuna — the hardest end of the year

Hardest · 4.4/10

September averages 24°C (76°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.

248 mm of rain puts this in monsoon territory — about 16 sunny days across the whole month, and multi-day washouts are normal.

It scores 4.4/10 here, 9th of 12 months, against 8.5/10 in the destination's best month.

Expect low-season pricing, and crowds are light for this destination.

Pack light clothing, swimwear and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.

If your dates are flexible, February is materially better in La Fortuna — 4.1 points higher on the same scale.

October in La Fortuna — the hardest end of the year

Hardest · 4.3/10

October averages 24°C (75°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.

262 mm of rain puts this in monsoon territory — about 15 sunny days across the whole month, and multi-day washouts are normal.

It scores 4.3/10 here, 11th of 12 months, against 8.5/10 in the destination's best month.

Expect low-season pricing, and crowds are light for this destination.

Pack light clothing, swimwear and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.

If your dates are flexible, February is materially better in La Fortuna — 4.2 points higher on the same scale.

November in La Fortuna — the hardest end of the year

Hardest · 3.9/10

November averages 23°C (74°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.

472 mm of rain puts this in monsoon territory — about 9 sunny days across the whole month, and multi-day washouts are normal.

It scores 3.9/10 here, 12th of 12 months, against 8.5/10 in the destination's best month.

Expect low-season pricing, and crowds are light for this destination.

Pack light clothing, swimwear and real sun protection, a proper rain shell rather than an umbrella, footwear you can get muddy.

If your dates are flexible, February is materially better in La Fortuna — 4.6 points higher on the same scale.

December in La Fortuna — reliably good (4th best month)

Good · 7.3/10

December averages 23°C (74°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.

Expect 43 mm of rain — occasional showers rather than washed-out days — alongside about 12 sunny days and 11.4 daylight hours.

It scores 7.3/10 here, 4th of 12 months, against 8.5/10 in the destination's best month.

Expect peak pricing, and crowds are moderate.

Pack light clothing, swimwear and real sun protection, footwear you can get muddy.

Frequently asked

When is the best time to visit La Fortuna, Costa Rica?
In Ideal Weather mode, the best months to visit La Fortuna are February, January. February is the single peak month with an Ideal Weather score of 8.5/10 based on temperature, rainfall, humidity, daylight and historical sunny days.
What is the weather like in La Fortuna year-round?
La Fortuna has a climate profile suited to nature and wildlife travel. Average monthly temperatures range from 23°C in January to 26°C in May, with Ideal Weather scores between 3.9 and 8.5 out of 10.
Which months should I avoid in La Fortuna?
The lowest Ideal Weather-scoring months in La Fortuna are November (3.9/10), July (4.3/10), October (4.3/10). These months typically combine less comfortable temperatures, higher rainfall or fewer sunny days.
When is the rainy season in La Fortuna?
November is the wettest month in La Fortuna, averaging about 472 mm of rainfall. January is the driest, at roughly 8 mm.
Which is the sunniest month in La Fortuna?
March sees the most sun in La Fortuna, with about 23 sunny days on average - ideal for outdoor plans.
Is La Fortuna a good destination for nature and wildlife travel?
La Fortuna is well suited to nature and wildlife travel. Its highest Ideal Weather window (February, January) aligns with the conditions travelers usually look for in this style of trip.
How is the bestime.to score for La Fortuna calculated?
Each month receives an Ideal Weather score from 0-10 using ERA5 climate normals for La Fortuna: temperature comfort, precipitation, humidity, daylight hours, and historical sunny days - weighted for nature and wildlife travel.

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Curated in La Fortuna

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