San José in October
In October, San José averages 25°C (77°F) during the day and 17°C (63°F) at night, with frequent rain — about 25 days of the month see precipitation (300 mm total).
ShoulderConditions are comfortable for sightseeing without being sweltering. Expect daily rain or showers, often in heavy bursts.
October offers comfortable temperatures in San José, with some rain to plan around.
How October compares to the rest of the year in San José
October is in the middle of the year for warmth in San José (9th of 12) and one of the wettest months (1st of 12). Daytime temperature matches the city's annual average. October runs 1°C cooler than September (26°C) and stays flat into November.
October sunrise & sunset in San José
Times shown for San José local time (America/Costa_Rica), calculated for the 15th of October. They shift by a few minutes day to day across the month.
Photography light in San José — October
Golden-hour and blue-hour windows for the 15th of October, in San José's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — San José in October
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on October's tier (Shoulder) and San José's popularity.
Crowds & pricing — October in San José
San José is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Why this tier: comfortable tourism weather
Sun & mosquito risk — October in San José
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
San José in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 24°C / 75°F | 15°C / 59°F | 6 mm | 1 | — |
| February | 25°C / 77°F | 15°C / 59°F | 8 mm | 1 | — |
| March | 26°C / 79°F | 16°C / 61°F | 18 mm | 2 | — |
| April | 27°C / 81°F | 17°C / 63°F | 65 mm | 7 | — |
| May | 26°C / 79°F | 17°C / 63°F | 226 mm | 19 | — |
| June | 26°C / 79°F | 17°C / 63°F | 248 mm | 22 | — |
| July | 25°C / 77°F | 17°C / 63°F | 211 mm | 21 | — |
| August | 26°C / 79°F | 17°C / 63°F | 241 mm | 23 | — |
| September | 26°C / 79°F | 17°C / 63°F | 305 mm | 24 | — |
| October | 25°C / 77°F | 17°C / 63°F | 300 mm | 25 | — |
| November | 25°C / 77°F | 16°C / 61°F | 145 mm | 14 | — |
| December | 24°C / 75°F | 15°C / 59°F | 41 mm | 4 | — |
Other cities with similar October weather
🌍 See the full ranked list of climate twins for San José in October →
Frequently asked questions
How hot is San José in October?
In October, San José averages a high of 25°C (77°F) and a low of 17°C (63°F) — generally warm.
Does it rain a lot in San José in October?
October is quite rainy in San José, with about 25 rainy days on average.
Is October a good time to visit San José?
October is warm but on the rainy side. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for San José in October?
Pack light layers for warm days and cooler evenings, plus a compact umbrella or rain jacket. See the full October packing list for San José for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.