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
| # | Place | Type | Feels-like high | Rain | Comfort | At its best |
|---|---|---|---|---|---|---|
| 1 | Monteverde | Trekking hub | 24°C | 300 mm · 26 days | 61 tier C | — |
| 2 | Puerto Viejo | Beach | 28°C | 379 mm · 29 days | 61 tier C | — |
| 3 | San José | City | 24°C | 373 mm · 28 days | 58 tier D | — |
| 4 | Nosara | Beach | 30°C | 438 mm · 30 days | 57 tier D | — |
| 5 | Santa Teresa | Beach | 28°C | 386 mm · 29 days | 57 tier D | — |
| 6 | Tamarindo | Beach | 30°C | 332 mm · 27 days | 57 tier D | — |
| 7 | Jacó | Beach | 28°C | 845 mm · 31 days | 56 tier D | — |
| 8 | Manuel Antonio | Beach | 27°C | 1026 mm · 31 days | 56 tier D | — |
| 9 | La Fortuna | Trekking hub | 32°C | 312 mm · 28 days | 54 tier D | — |
| 10 | Tortuguero | National park | 29°C | 428 mm · 29 days | 49 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)