March weather forecast
Guarumal, Costa Rica

The first month of the spring, March, is a tropical month in Guarumal, Costa Rica, with temperature in the range of an average high of 30.3°C (86.5°F) and an average low of 25.3°C (77.5°F).

Temperature

March's presence records an average high-temperature of a tropical 30.3°C (86.5°F), closely mirroring February's climate. The temperature in Guarumal during March experiences a small drop from daytime peaks, recording an average of 25.3°C (77.5°F) at night.

Heat index

March's mean heat index is estimated at a sweltering 35°C (95°F). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.
Be informed that the heat index values are oriented around shady conditions and gentle breezes. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
Evaporating sweat, an outcome of perspiration, is key in assisting the human body to moderate its temperature. In conditions of both high temperature and humidity (a high heat index), sweating is limited and the perception of heat is enhanced. The body is at risk of dehydration and related complications when it fails to shed excessive heat.

Humidity

The months with the lowest humidity are February and March, with an average relative humidity of 68%.

Rainfall

In Guarumal, during March, the rain falls for 10.4 days and regularly aggregates up to 17mm (0.67") of precipitation. In Guarumal, during the entire year, the rain falls for 236.2 days and collects up to 1501mm (59.09") of precipitation.

Daylight

In Guarumal, the average length of the day in March is 12h and 5min.
On the first day of March, sunrise is at 05:51 and sunset at 17:48. On the last day of the month, sunrise is at 05:35 and sunset at 17:48 CST.

Sunshine

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

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index in Guarumal, Costa Rica. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Guarumal. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index, 7 during March, leads to the following recommendations:
Fend off overexposure. Sun protection 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. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.