March weather forecast
Tamarindo, Costa Rica

March continues to carry the baton of pleasant weather from February. There's a minor increase in rainfall, nudging the figure upwards to 6mm (0.24"). Despite this, the majority of the month remains dry, with warm and inviting conditions prevailing. Arguably, the climatic patterns suggest March as a peak month for visiting beaches due to the optimal sea surface temperature. A noteworthy increase in daylight hours cements March's place as a prime choice for sight-seeing and outdoor expeditions.

Temperature

February through April, with an average high-temperature of 33°C (91.4°F), are marked as the warmest months in Tamarindo.

Rainfall

In Tamarindo, in March, during 5 rainfall days, 6mm (0.24") of precipitation is typically accumulated. Throughout the year, in Tamarindo, there are 171 rainfall days, and 1853mm (72.95") of precipitation is accumulated.

Sea temperature

The months with the coldest seawater are January through March and December, with an average sea temperature of 27°C (80.6°F).
Note: For swimming, diving, or other water activities, temperatures from 25°C (77°F) to 29°C (84.2°F) provide the most enjoyable experience for extended periods without discomfort.

Daylight

In March, the average length of the day in Tamarindo is 12h and 5min.
On the first day of the month, sunrise is at 05:57 and sunset at 17:53. On the last day of March, sunrise is at 05:40 and sunset at 17:54 CST.

Sunshine

The months with the most sunshine are January through April, with an average of 8h of sunshine.

UV index

February through October, with an average maximum UV index of 12, are months with the highest UV index in Tamarindo. A UV Index value of 11, and more, symbolizes an ultimate health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index of 12 during March translates into these guidelines:
Take all required precautions, as unprotected skin and eyes can burn in minutes. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Apply liberally and reapply a broad-spectrum sunscreen of SPF 30+ every two hours, and promptly after any outdoor workout or a swim. Attention! UV strength is notably upped by the reflection of sand and water.