La Fortuna weather in July

July in La Fortuna: hot, soaked, with clean air — a gamble, with 28 rainy days.

Updated September 2026 · climate normals from ERA5 reanalysis

La Fortuna🇨🇷 Costa Rica · Costa Rica & Panama · Trekking61
  1. 75Jan
  2. 81Feb
  3. 80Mar
  4. 76Apr
  5. 58May
  6. 52Jun
  7. 61Jul
  8. 60Aug
  9. 57Sep
  10. 51Oct
  11. 56Nov
  12. 68Dec

#6 of 12 months in La Fortuna · #1051 of 1413 destinations to visit in July · comfort 61/100 (tier C)

Days
27°C
Nights
21°C
Wet days
28
Sun
7.7 h
Humidity
93%
Daylight
13 h
La Fortuna, Costa Rica
Photo: Osmany Mederos · Pexels

Traveller notes on La Fortuna in July

La Fortuna-forum threads on mid-July weather describe a familiar daily pattern, posters calling on-and-off showers several times a day standard alongside genuinely hot, humid conditions at midday. Regulars call a heavy afternoon downpour the most likely single event, though some days stay largely sunny throughout with no real disruption. Posters recommend a real umbrella and rain jacket regardless of forecast, conditions here capable of shifting within the hour. Regulars call nearly every tour still running in this weather, zip-lining the main exception when conditions turn genuinely severe. Posters describe July as still worth visiting despite the wetter pattern, the volcano and hot springs both rewarding regardless of a passing shower. Regulars recommend flexible daily plans given how unpredictable the exact timing runs this time of year. The record: 26.6C days feeling like 31C, 21.4C nights, an extraordinarily high 251.2mm across nearly 28 days and 93 percent humidity.
LaFortunaJulyRegular · July · 1 month ago · Read more on Tripadvisor ↗

Other months in La Fortuna

La Fortuna-forum threads on a January visit describe this as genuinely the start of the more favorable season, posters naming it one of the better months for a real shot at seeing the Arenal volcano's peak. Regulars call the summit genuinely elusive regardless of month, several posters naming roughly sixty clear-view days a year as the honest baseline. Posters call fast-drying clothes and rain gear worth packing no matter the month, several regulars naming this standard advice given how much cloud cover varies day to day. Regulars call January still genuinely warm and humid, several threads naming this a real contrast to how the season's reputation sounds. Posters recommend real flexible plans around volcano viewing, several regulars calling this standard given how unpredictable cloud cover remains even in January. The record: 25.7C days, 19.7C nights, 101.7mm across over 15 days and 89 percent humidity.
LaFortunaJanuaryRegular · January · 1 month ago · Read more on tripadvisor.co.nz ↗
La Fortuna-forum threads on April weather describe conditions as genuinely intense in town, posters citing readings near ninety-five Fahrenheit on the hottest days. Regulars call Arenal National Park itself noticeably cooler, highs there typically running in the upper seventies to low eighties even when La Fortuna proper feels considerably warmer. Posters recommend the La Fortuna Waterfall, the 1968 Park, El Silencio Trail and the Mistico Hanging Bridges as strong April picks, several regulars naming all four in the same itinerary. Regulars recommend a Rio Celeste day tour as a real addition for anyone with an extra day, the drive there considered worthwhile on its own. Posters recommend Don Rufino for a nicer dinner and Soda La Parada for a casual, local option, both named repeatedly across April trip reports. The record: 28.9C days feeling like 33C, 21C nights, an extraordinarily high 58.8mm across over 11 days and 78 percent humidity.
LaFortunaAprilRegular · April · 1 month ago · Read more on Tripadvisor ↗
La Fortuna-forum threads on September weather confirm this sits within the wettest stretch of the local year, mornings generally the more reliable window before cloud and a real system build through the afternoon. Posters call the Arenal volcano itself genuinely hit-or-miss for visibility, cloud cover and showers frequently obscuring the peak for stretches at a time. Regulars describe humidity as staying close to saturated throughout, laundry famously refusing to fully air out and a warm afternoon feeling considerably heavier than the same reading in a drier month. Posters recommend scheduling hikes for the morning, afternoon plans genuinely riskier. Regulars call the hot springs and waterfalls worth the trip regardless of volcano visibility, both largely unaffected by a passing shower. Posters recommend real rain gear. The record: 27.5C days feeling like a punishing 33C, 21.4C nights, an extraordinarily high 270mm across nearly 29 days and 92 percent humidity.
LaFortunaSeptemberRegular · September · 1 month ago · Read more on Tripadvisor ↗
La Fortuna-forum threads on whether the wetter season is really that bad are consistent the answer is no, one poster direct nobody can reliably predict exactly when a shower hits, beyond March running noticeably calmer than the rest of the year. Regulars describe a typical June day as clear through the morning, with heavier activity building through afternoon and evening before clearing again, most operators running tours on a morning schedule to work around this pattern. Posters call waterfall visits and nature walks genuinely excellent in June, the surrounding rainforest at its greenest, with hotel and tour prices noticeably lower than peak season. A poncho and fast-drying clothing are standing advice regardless of forecast. Regulars call June entirely workable for a first-time visitor willing to plan mornings around outdoor activities. The record: 27.3C days feeling like a punishing 32C, 21.7C nights, an extraordinarily high 258mm across 29 days and 93 percent humidity.
LaFortunaJuneRegular · June · 1 month ago · Read more on Tripadvisor ↗

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La Fortuna climate normals — July

Daytime high27°C / 80°F🥵 hot
Nighttime low21°C / 71°F
Feels like (high)31°C / 88°F
Rainfall251 mm / 9.9 in⛈ soaked
Rainy days28 days
Humidity93%💦 very humid
Dew point22°C / 72°F
Sunshine7.7 h/day
Daylight12.7 h
Wind13 km/h / 8 mph
Air quality (US AQI)19🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in La Fortuna in July

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

Shoulder seasonschool holidays in 3 of the markets that fill it, an ordinary month(estimated)

JFMAMJJASOND

Peak crowdsBusyShoulder seasonQuiet

Best months for La Fortuna's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Fair weatherLa Fortuna's weather peaks February–April.

JFMAMJJASOND

Best weatherFair weatherToughest weather

What's on in La Fortuna in July

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Season

    Green season

    1 May – 30 Nov · usuallyMonsoon

    Rain most afternoons, rates down, waterfalls at full noise. Arenal makes its own cloud, so the volcano is a lottery in these months whatever the forecast for the town says.

  • Season

    Wet season

    MonsoonRisk

    28 rainy days and about 251 mm in the month — the real kind of rainy season, not afternoon showers.

    from the climate normals

What's on around the world in July →

Nearby, and something's on

Within 300 km of La Fortuna — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is La Fortuna?

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La Fortuna in July — FAQ

Is July a good time to visit La Fortuna?
July in La Fortuna: hot, soaked, with clean air — a gamble, with 28 rainy days. It ranks #6 of 12 months for La Fortuna on SeasonMap's comfort score (61/100).
What is the weather like in La Fortuna in July?
In July, La Fortuna averages a daily high of 26.6°C and a low of 21.4°C, with about 251.2 mm of rain over roughly 27.6 rainy days.
What is the air quality in La Fortuna in July?
La Fortuna has a mean US Air Quality Index of about 19 in July.

Within 300 km: Jacó's Humpback whales around 15 Jul – 15 Nov, and Nosara's Arribada at Ostional around 1 Jul – 31 Dec.