Costa Rica in August

August is one of Costa Rica's weaker months (rank 11 of 12): its 10 destinations average 57/100, led by Monteverde at 61 — 24°C and 26 rainy days — while La Fortuna is warmer at 32°C and scores 54.

#11 of 12 months for Costa Rica · 10 destinations · updated September 2026 · climate normals from ERA5 reanalysis

Where in Costa Rica in August

#PlaceTypeFeels-like highRainComfortAt its best
1MonteverdeTrekking hub24°C300 mm · 26 days61 tier C
2Puerto ViejoBeach28°C379 mm · 29 days61 tier C
3San JoséCity24°C373 mm · 28 days58 tier D
4NosaraBeach30°C438 mm · 30 days57 tier D
5Santa TeresaBeach28°C386 mm · 29 days57 tier D
6TamarindoBeach30°C332 mm · 27 days57 tier D
7JacóBeach28°C845 mm · 31 days56 tier D
8Manuel AntonioBeach27°C1026 mm · 31 days56 tier D
9La FortunaTrekking hub32°C312 mm · 28 days54 tier D
10TortugueroNational park29°C428 mm · 29 days49 tier F

Comfort is SeasonMap's 0–100 score; each place is judged through the lens that suits it — beaches on beach weather, ski resorts on snow. "At its best" means August is one of that place's own top three months. Feels-like highs fold in humidity, wind and sun.

What's on in Costa Rica in August

  • Arribada at Ostional · Nosara · 1 Jul – 31 Dec (usually)
  • Humpback whales · Jacó · 15 Jul – 15 Nov (usually)
  • Olive ridley nesting · Jacó · 15 Aug – 15 Dec (usually)
  • Green turtle nesting · Tortuguero · 1 Jul – 31 Oct
  • Humpbacks off the headland · Manuel Antonio · 15 Jul – 31 Oct (usually)

Seasons in force

Better months for Costa Rica

More about August