SeasonMapCosta Rica in October
October is Costa Rica's weakest month (rank 12 of 12): its 10 destinations average 54/100, led by Puerto Viejo at 60 — 34°C and 30 rainy days — while Monteverde is cooler at 26°C and scores 58.
#12 of 12 months for Costa Rica · 10 destinations · updated September 2026 · climate normals from ERA5 reanalysis
Where in Costa Rica in October
| # | Place | Type | Feels-like high | Rain | Comfort | At its best |
|---|---|---|---|---|---|---|
| 1 | Puerto Viejo | Beach | 34°C | 463 mm · 30 days | 60 tier C | — |
| 2 | Monteverde | Trekking hub | 26°C | 401 mm · 28 days | 58 tier D | — |
| 3 | San José | City | 31°C | 513 mm · 30 days | 56 tier D | — |
| 4 | Nosara | Beach | 35°C | 508 mm · 31 days | 55 tier D | — |
| 5 | Santa Teresa | Beach | 33°C | 444 mm · 29 days | 55 tier D | — |
| 6 | Tamarindo | Beach | 34°C | 387 mm · 29 days | 54 tier D | — |
| 7 | Jacó | Beach | 33°C | 829 mm · 31 days | 53 tier D | — |
| 8 | Manuel Antonio | Beach | 32°C | 1006 mm · 31 days | 53 tier D | — |
| 9 | La Fortuna | Trekking hub | 32°C | 366 mm · 30 days | 51 tier D | — |
| 10 | Tortuguero | National park | 35°C | 389 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 October 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 October
- 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
- Leatherback nesting at Las Baulas · Tamarindo · 20 Oct – 15 Feb
- Humpbacks off the headland · Manuel Antonio · 15 Jul – 31 Oct (usually)