March weather forecast
Santo Domingo, Dominican Republic

As Santo Domingo transitions into the month of March, an insightful watch over the weather patterns reveals increasing temperatures and prolonged daylight. Equinox's influence can be seen from longer daylight hours and a progressive swing towards a warm spectrum. March ushers in the highest UV index of 12, indicating substantial surge in sunlight intensity. Visitors and locals are advised to carry sunblock and sunglasses to protect from potential sunburn. As the month progresses, the shift towards a hotter band continues, reminding that the tropical summer is setting in.

Temperature

As February transitions into March, the average high-temperature in Santo Domingo rests at a still warm 29.6°C (85.3°F), maintaining a close resemblance to the previous month. Santo Domingo in March anticipates an average nighttime temperature of 20.2°C (68.4°F).

Heat index

For March, the heat index is computed to be a sweltering 36°C (96.8°F). Adopt heightened safety measures, heat cramps and heat exhaustion may occur. Sustained activity might cause heatstroke.
Note that heat index values are valued for light wind and location in the shade. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. When body heat isn't effectively managed, risks of dehydration and overheating amplify.

Humidity

In March, the average relative humidity is 79.3%.

Rainfall

March is the month with the least rainfall. Rain falls for 6.3 days and accumulates 54mm (2.13") of precipitation.

Sea temperature

February and March, with an average sea temperature of 26.3°C (79.3°F), are months with the coldest seawater.
Note: Swimming, diving, and similar water activities in temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are seen as very agreeable and pleasurable for lengthy periods without discomfort.

Daylight

In Santo Domingo, the average length of the day in March is 12h and 3min.
On the first day of March in Santo Domingo, sunrise is at 06:57 and sunset at 18:45. On the last day of the month, sunrise is at 06:34 and sunset at 18:53 AST.

Sunshine

The month with the most sunshine in Santo Domingo is March, with an average of 7.4h of sunshine.

UV index

The months with the highest UV index in Santo Domingo, Dominican Republic, are March through September, with an average maximum UV index of 12. A UV Index reading of 11, and higher, represents an extreme health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 12 during March translates into the following guidance:
Utilize all necessary safety measures, unprotected skin could suffer burns instantly. 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. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Despite the cloudy weather, sunscreen with a sun protection factor of at least 30 should be liberally applied and reapplied, including after a swim or outdoor activity. Stay cautious! Sand and water reflections increase UV radiation potency.