March weather forecast
Puerto Jiménez, Costa Rica

March in Puerto Jiménez, Costa Rica portrays a gradual shift from the semi-dry conditions of February to a damper environment. The temperature begins to ascend further this month, echoing an arrival of summer. The most observable meteorological alteration in March, compared to its neighboring months, is the increment in rainfall, indicating the onset of the wet season. March also serves as the pivot for daylight hours, with the amount of sunshine hovering around 9.5 hours daily. As the month progresses, the weather folds in a blend of increased temperature and rainfall that continues into April.

Temperature

March, recognised by an average high temperature of 31.7°C (89.1°F) and a low of 21.6°C (70.9°F), is Puerto Jiménez's warmest month.

Heat index

The heat index for March is evaluated at a blistering 40°C (104°F). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
Perspiring is a crucial mechanism for the human body, allowing it to release excessive warmth through evaporating sweat. When the air holds a significant amount of moisture, the efficiency of the evaporation process is decreased, preventing the body from cooling down efficiently, leading to the sensation of overheating. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

With an average relative humidity of 72%, March is the least humid month.

Rainfall

In Puerto Jiménez, during March, the rain falls for 20.8 days and regularly aggregates up to 43mm (1.69") of precipitation. Throughout the year, there are 309.5 rainfall days, and 2106mm (82.91") of precipitation is accumulated.

Daylight

In March, the average length of the day is 12h and 5min.
On the first day of March in Puerto Jiménez, sunrise is at 05:46 and sunset at 17:44. On the last day of the month, sunrise is at 05:30 and sunset at 17:43 CST.

Sunshine

In Puerto Jiménez, the average sunshine in March is 9.5h.

UV index

The months with the highest UV index are March through May, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high daily UV index of 7 during March translates into the following directions:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.