March weather forecast
Boca Barranca, Costa Rica

The first month of the spring, March, is also a hot month in Boca Barranca, Costa Rica, with an average temperature ranging between min 23°C (73.4°F) and max 32.8°C (91°F).

Temperature

In Boca Barranca, the highest average temperatures are observed in March, with a high of 32.8°C (91°F) and a low of 23°C (73.4°F).

Heat index

The heat index for March is evaluated at a blistering 40°C (104°F). Adopt heightened safety measures, heat cramps and heat exhaustion may occur. Sustained activity might cause heatstroke.
Understand that the heat index values take into account shaded locations and mild winds. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'feels like', integrates the air's temperature and its humidity to showcase the felt temperature by people. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. 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 especially vital to children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
To offset high temperatures, the human body releases sweat which, upon evaporation, cools it down. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. When body temperature rises due to excess heat gain beyond its removal capability, one might experience heat-related disorders.

Humidity

The least humid month in Boca Barranca is March, with an average relative humidity of 63%.

Rainfall

In Boca Barranca, Costa Rica, during March, the rain falls for 4.5 days and regularly aggregates up to 5mm (0.2") of precipitation. Throughout the year, in Boca Barranca, Costa Rica, there are 218.6 rainfall days, and 1456mm (57.32") of precipitation is accumulated.

Daylight

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

Sunshine

With an average of 9.9h of sunshine, March has the most sunshine of the year.

UV index

The months with the highest UV index in Boca Barranca are January through September and December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In March, the average maximum UV index of 7 translates into the following recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Stay sun-safe with clothing that is both closely woven and worn loosely.