March weather forecast
Herradura, Costa Rica

As we move into March, Costa Rica experiences a raise of temperatures with the hottest day seeing a peak of 30.3°C (86.5°F). The light rain amounting to 17mm (0.67") dissolves any potential discomfort of the heat. Come March, weather conditions yield to a perfect setting for those seeking to picnic by the seashore or take a dip in the aquamarine waters, as sea temperatures hit a warm 29°C (84.2°F). In addition, the rise in daylight hours extends outdoor activities while soaking up the sun. Be prepared for a mix of sunshine, warmth, and freshness when visiting Herradura this month.

Temperature

March in Herradura observes an average high-temperature of a tropical 30.3°C (86.5°F), marking an insignificant difference from February's 29.9°C (85.8°F). In Herradura, the average low-temperature during March nights tends to settle at a moderately hot 25.3°C (77.5°F), indicating a slight drop from the daytime peak.

Heat index

For March, the heat index is computed to be a fiery hot 35°C (95°F). Exercise heightened safety, heat cramps and heat exhaustion are probable. Persistent activity may provoke heatstroke.
Be aware that heat index ratings are designed for shaded locations and minor breezes. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.
In the face of high temperatures, the human body's reflex is to perspire, leveraging sweat evaporation for cooling. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. As the body gains more heat than it can dissipate, there's a risk of increasing temperatures and resultant overheating.

Humidity

February and March, with an average relative humidity of 68%, are the least humid months in Herradura.

Rainfall

In March, the rain falls for 10.4 days. Throughout March, 17mm (0.67") of precipitation is accumulated. Throughout the year, there are 236.2 rainfall days, and 1501mm (59.09") of precipitation is accumulated.

Sea temperature

March through August, with an average sea temperature of 29°C (84.2°F), are months with the warmest seawater.
Note: Swimming, diving, and other water endeavors at temperatures between 25°C (77°F) and 29°C (84.2°F) are considered enjoyable and satisfying for extended periods without discomfort.

Daylight

In March, the average length of the day in Herradura is 12h and 5min.
On the first day of March, sunrise is at 05:52 and sunset at 17:49. On the last day of the month, sunrise is at 05:36 and sunset at 17:49 CST.

Sunshine

In March, the average sunshine in Herradura is 9.8h.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Herradura. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: In March, the maximum UV index of 7 suggests this advice:
Guard against overexposure. Protection from sun-induced harm is essential. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Take note! Sand and water reflections strengthen the Sun's UV exposure.