San José in March

In March, San José averages 26°C (79°F) during the day and 16°C (61°F) at night, with only about 2 rainy days.

High season

Conditions are warm and beach-friendly. Skies are generally dry and clear.

March is a great month to visit San José: pleasant temperatures and relatively few wet days.

26°C
Avg high
16°C
Avg low
2
Rain days
18 mm
Rainfall

How March compares to the rest of the year in San José

2nd
warmest month of the 12
10th
wettest month of the 12
1%
of yearly rainfall falls in March
12 h 4 min
daylight on the 15th

March is one of the warmest months in San José (2nd of 12) and one of the driest months (10th of 12). Daytime temperature runs 1°C above the annual average (25°C). March runs 1°C warmer than February (25°C) and warms a further 1°C into April (27°C).

March sunrise & sunset in San José

🌅
Sunrise (15th)
5:43 AM
🌇
Sunset (15th)
5:47 PM
Day length
12 h 4 min

Times shown for San José local time (America/Costa_Rica), calculated for the 15th of March. They shift by a few minutes day to day across the month.

Photography light in San José — March

Golden-hour and blue-hour windows for the 15th of March, in San José's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
4:43 AM – 5:23 AM
🌄 Golden hour (AM)
5:23 AM – 6:23 AM
🌇 Golden hour (PM)
5:07 PM – 6:07 PM
🌆 Blue hour (PM)
6:07 PM – 6:47 PM
Milky Way galactic core
Fair
Core only briefly above the horizon — a marginal month even from dark sites near San José.

📅 When to book — San José in March

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 March's tier (High season) and San José's popularity.

✈ Flights — lead time
2-3 months
Prices are above off-season but not the absolute peak. Tuesday/Wednesday departures are usually cheaper than weekend ones.
🏨 Lodging — lead time
2-3 months
Wide selection still available at this lead time. Premium properties book first; consider 'last-minute deal' availability at 2-week mark if your dates are flexible.

Crowds & pricing — March in San José

High season

This is a busy month in San José — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.

Why this tier: excellent tourism weather

Sun & mosquito risk — March in San José

☀️ UV Index (noon, 15th)
12.6
Extreme
Stay indoors during midday hours; SPF 50+ even briefly outside, UPF clothing, wide-brim hat, sunglasses essential.
🦟 Mosquito risk
●●●○○
Moderate
Active mosquito season. DEET 25-30% repellent recommended, especially at dawn/dusk.

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

MonthAvg highAvg lowRainfallRain daysSnow 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 March weather

🌍 See the full ranked list of climate twins for San José in March →

Frequently asked questions

How hot is San José in March?

In March, San José averages a high of 26°C (79°F) and a low of 16°C (61°F) — generally warm.

Does it rain a lot in San José in March?

March is generally dry in San José, with about 2 rainy days on average.

Is March a good time to visit San José?

March is warm and mostly dry. 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 March?

Pack light layers for warm days and cooler evenings. See the full March packing list for San José for a complete, climate-based checklist.

Open San José on the interactive map

Check the live 10-day forecast and sunrise/sunset.