May Weather in Rancho Santa Margarita

Last updated: March 2, 2024

The weather in Rancho Santa Margarita, United States, during May is characterized by an average temperature of 18°C (65°F). Highs can soar to 31°C (89°F), while lows may dip to 10°C (50°F). Typically, the humidity level in Rancho Santa Margarita throughout May hovers around 70%.

10°C (50°F)

Minimum temperature

18°C (65°F)

Average temperature

31°C (89°F)

Maximum temperature

70%

Humidity

Precipitation and Sunshine hours

In May, Rancho Santa Margarita averages 21 mm (0.8 inches) of rainfall, typically over the course of 4 rainy days. The month enjoys an average of 13 hours 55 minutes of daylight, with the sun shining for approximately 11 hours 23 minutes each day. Additionally, there is a 61% probability of sunny days during this period.

21 mm (0.8 inches)

Precipitation

4 rainy days

Rainy days

11 hours 23 minutes

Sunshine hours

61%

Chance of sun

UV Index

In May, the UV Index in Rancho Santa Margarita reaches a maximum of 11, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, 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 4 7 9 10 11 9 7 5 3 1 1
Exposure Low Moderate High VeryHigh Extreme VeryHigh High Moderate Low
Time to burn 45 min 30 min 25 min 15 min 10 min 15 min 25 min 30 min 45 min

Compare Rancho Santa Margarita's Climate with Cities Worldwide