Sun, sea & sand

Tamarindo, Costa Rica weather in March

Temperature, sea and sunshine in March: long-term averages from 30 years of weather data, not a forecast.

89

Holiday weather in March

Excellent

Best time to visit: December – March

What is the weather like in Tamarindo, Costa Rica in March?

In March, Tamarindo, Costa Rica is very hot: daytime highs average 33 °C, and even at night it stays warm at around 25 °C. The sea averages 28.2 °C – lovely and warm for swimming. With around 9 hours of sunshine a day, there is plenty of sun. It hardly ever rains. On about 31 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, March is an excellent month for a holiday in Tamarindo, Costa Rica.

March compared

How the weather changes from February to April. Tap a month to open it.

FebruaryFebMarchMarAprilApr
Score938980
Day32°33°33°
Night24°25°26°
Sea28°28°29°
Sun9 h9 h8 h
Rain days128

More details for March

Daylight
12 h 3 min05:51 – 17:55
UV index
13 · extremeclear sky, noon (estimate)All months
Muggy days
28 daysdew point 18 °C or more
Wind
22 km/haverage daily peak
Cloud cover
30 %on average
Hot days
31 days30 °C or more
Time zone
UTC−6America/Costa_Rica

How the score comes together

  • Temperatureweight 35 %69 %
  • Seaweight 25 %100 %
  • Sunshineweight 20 %100 %
  • Few rainy daysweight 20 %100 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in March

  • Swimwear
  • Sunscreen
  • Sunglasses & sun hat
  • Light, breathable clothes
  • Water bottle – drink plenty
  • Insect repellent

Tamarindo, Costa Rica in March: quick answers

Is Tamarindo, Costa Rica hot in March?

Yes. In March, Tamarindo, Costa Rica is very hot: daytime highs average 33 °C and nights stay around 25 °C. On about 31 days the thermometer climbs to 30 °C or more.

Can you swim in Tamarindo, Costa Rica in March?

Yes. In March the sea averages 28.2 °C – lovely and warm for swimming.

Does it rain much in Tamarindo, Costa Rica in March?

It hardly ever rains.

Tamarindo, Costa Rica month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)