May Weather in Santa Cruz

Last updated: March 2, 2024

The weather in Santa Cruz, United States, during May is characterized by an average temperature of 13°C (55°F). Highs can soar to 18°C (64°F), while lows may dip to 10°C (50°F). Typically, the humidity level in Santa Cruz throughout May hovers around 71%.

10°C (50°F)

Minimum temperature

13°C (55°F)

Average temperature

18°C (64°F)

Maximum temperature

71%

Humidity

Precipitation and Sunshine hours

In May, Santa Cruz averages 23 mm (0.9 inches) of rainfall, typically over the course of 3 rainy days. The month enjoys an average of 14 hours 9 minutes of daylight, with the sun shining for approximately 11 hours 37 minutes each day. Additionally, there is a 72% probability of sunny days during this period.

23 mm (0.9 inches)

Precipitation

3 rainy days

Rainy days

11 hours 37 minutes

Sunshine hours

72%

Chance of sun

UV Index

In May, the UV Index in Santa Cruz 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 3 6 8 10 11 10 8 6 3 2 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 Santa Cruz's Climate with Cities Worldwide