San José in April
In April, San José averages 27°C (81°F) during the day and 17°C (63°F) at night, with around 7 days of rain (65 mm total).
ShoulderConditions are warm and beach-friendly. Occasional showers are likely but won't dominate.
April is a great month to visit San José: pleasant temperatures and relatively few wet days.
How April compares to the rest of the year in San José
April is one of the warmest months in San José (1st of 12) and moderately rainy compared to the rest of the year (8th of 12). Daytime temperature runs 2°C above the annual average (25°C). April runs 1°C warmer than March (26°C) and cools 1°C in May (26°C).
April sunrise & sunset in San José
Times shown for San José local time (America/Costa_Rica), calculated for the 15th of April. They shift by a few minutes day to day across the month.
Photography light in San José — April
Golden-hour and blue-hour windows for the 15th of April, in San José's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — San José in April
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 April's tier (Shoulder) and San José's popularity.
Crowds & pricing — April 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 — April 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 April weather
🌍 See the full ranked list of climate twins for San José in April →
Frequently asked questions
How hot is San José in April?
In April, San José averages a high of 27°C (81°F) and a low of 17°C (63°F) — generally warm.
Does it rain a lot in San José in April?
April sees occasional rain in San José, with about 7 rainy days on average.
Is April a good time to visit San José?
April is warm. 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 April?
Pack lightweight, breathable clothing, sunglasses and sunscreen. See the full April packing list for San José for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.