March weather forecast
Sámara, Costa Rica

Capturing the peak of Costa Rica's summer season, March accommodates a slightly warmer climate from February, with temperatures reaching as high as 32.4°C (90.3°F). The weather dynamics shift slightly, featuring a lower level of humidity relative to February. The UV index, remaining constant at 7, continues to demand sun protection precautions. While sea temperatures persistently rise, the somewhat calmer wind gusts draw the attention of sea sport enthusiasts. As March progresses, the city of Sámara endures the summer heat with relatively low cloud coverage.

Temperature

March is the warmest month, with an average high-temperature of 32.4°C (90.3°F) and an average low-temperature of 23.9°C (75°F).

Heat index

The average heat index in March is calculated to be a scorching 40°C (104°F). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.
The standards for the heat index are set for locations in shade and under light breezes. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
The physiological response of the human body to excess warmth is to perspire, thereby cooling itself through sweat evaporation. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.

Humidity

With an average relative humidity of 65%, March is the least humid month in Sámara.

Rainfall

In Sámara, in March, it is raining for 3.9 days, with typically 4mm (0.16") of accumulated precipitation. Throughout the year, there are 205 rainfall days, and 1087mm (42.8") of precipitation is accumulated.

Sea temperature

In Sámara, the average seawater temperature in March is 28.9°C (84°F).
Note: For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

The average length of the day in March is 12h and 5min.
On the first day of March, sunrise is at 05:55 and sunset at 17:52. On the last day of the month, sunrise is at 05:39 and sunset at 17:52 CST.

Sunshine

The month with the most sunshine in Sámara is March, with an average of 9.9h of sunshine.

UV index

The months with the highest UV index in Sámara 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. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 7 in March interprets into the following recommendations:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be on guard! The reflective nature of sand and water boosts UV exposure.