March Weather in San Isidro

Last updated: March 2, 2024

The weather in San Isidro, Puerto Rico, during March is characterized by an average temperature of 25°C (77°F). Highs can soar to 29°C (85°F), while lows may dip to 22°C (71°F). Typically, the humidity level in San Isidro throughout March hovers around 74%.

22°C (71°F)

Minimum temperature

25°C (77°F)

Average temperature

29°C (85°F)

Maximum temperature

74%

Humidity

Precipitation and Sunshine hours

In March, San Isidro averages 67 mm (2.6 inches) of rainfall, typically over the course of 14 rainy days. The month enjoys an average of 12 hours 2 minutes of daylight, with the sun shining for approximately 11 hours 9 minutes each day. Additionally, there is a 64% probability of sunny days during this period.

67 mm (2.6 inches)

Precipitation

14 rainy days

Rainy days

11 hours 9 minutes

Sunshine hours

64%

Chance of sun

UV Index

In March, the UV Index in San Isidro reaches a maximum of 13, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 10 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00
UVI 1 2 5 8 11 13 13 10 7 4 2 1 0
Exposure Low Moderate VeryHigh Extreme VeryHigh High Moderate Low
Time to burn 45 min 30 min 15 min 10 min 15 min 25 min 30 min 45 min

Compare San Isidro's Climate with Cities Worldwide