May weather forecast
Tamarindo, Costa Rica

May witnesses a drastic shift in Tamarindo's weather with an astoundingly high precipitation of 233mm (9.17"). The weather takes a detour from the heat, offering a blend of warmth and moisture due to the escalated downpours. The months' bracing sea temperatures contribute to the appeal of the beach locale, compensating for the uptick in rain. While overcast skies become frequent, the UV index remains high, alerting residents and visitors to the need for sun protection. A surge in the duration of daylight hours is also a noticeable feature of May's weather characteristics.

Temperature

The transition into May reveals an average high-temperature of a still hot 32°C (89.6°F), mirroring a close resemblance to April. In Tamarindo, May's nights observe an average temperature dip to a warm 24°C (75.2°F).

Rainfall

In Tamarindo, in May, it is raining for 17 days, with typically 233mm (9.17") of accumulated precipitation. Throughout the year, in Tamarindo, there are 171 rainfall days, and 1853mm (72.95") of precipitation is accumulated.

Sea temperature

May and June, with an average sea temperature of 29°C (84.2°F), are months with the warmest seawater.
Note: With water temperature from 25°C (77°F) to 29°C (84.2°F), all water activities are comfortable and delightful, devoid of discomfort even for lengthened periods.

Daylight

In Tamarindo, the average length of the day in May is 12h and 36min.
On the first day of May, sunrise is at 05:25 and sunset at 17:55. On the last day of the month, sunrise is at 05:20 and sunset at 18:01 CST.

Sunshine

In May, the average sunshine is 7h.

UV index

The months with the highest UV index are February through October, with an average maximum UV index of 12. A UV Index estimate of 11, and higher, represents an extreme health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 12 in May interprets into the following recommendations:
Put into effect every essential safeguard, as unprotected skin and eyes might burn instantly. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Apply liberally and reapply a broad-spectrum sunscreen of SPF 30+ every two hours, and promptly after any outdoor workout or a swim. Heads up! UV intensity is amplified by reflections from water and sand.