March weather forecast
Calamba, Philippines

March, the first month of the spring in Calamba, is a tropical month, with an average temperature varying between 23°C (73.4°F) and 30.1°C (86.2°F).

Temperature

The average high-temperature is a hot 30.1°C (86.2°F) in March, hardly different from the 28.6°C (83.5°F) recorded in February. Nightly temperatures drop to an average low of 23°C (73.4°F) in March.

Heat index

March's mean heat index is calculated to be a very hot 37°C (98.6°F). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.
Observations indicate that the heat index values are for shady locations with light wind. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. Overheating and potential dehydration arise when body heat gain eclipses its release capability.

Humidity

The average relative humidity in March is 76%.

Rainfall

In Calamba, in March, it is raining for 11.9 days, with typically 11mm (0.43") of accumulated precipitation. Throughout the year, in Calamba, there are 216.4 rainfall days, and 476mm (18.74") of precipitation is accumulated.

Daylight

The average length of the day in March in Calamba, Philippines, is 12h and 4min.
On the first day of March in Calamba, Philippines, sunrise is at 6:11 am and sunset at 6:03 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 6:07 pm PST.

Sunshine

In Calamba, the average sunshine in March is 9.2h.

UV index

February through July, September and November, with an average maximum UV index of 7, are months with the highest UV index. 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, an average UV index of 7 transforms into the following instructions:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.