May Weather in Crystal Lake

Last updated: March 2, 2024

The weather in Crystal Lake, United States, during May is characterized by an average temperature of 15°C (59°F). Highs can soar to 31°C (88°F), while lows may dip to 3°C (39°F). Typically, the humidity level in Crystal Lake throughout May hovers around 69%.

3°C (39°F)

Minimum temperature

15°C (59°F)

Average temperature

31°C (88°F)

Maximum temperature

69%

Humidity

Precipitation and Sunshine hours

In May, Crystal Lake averages 110 mm (4.3 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 14 hours 35 minutes of daylight, with the sun shining for approximately 8 hours 38 minutes each day. Additionally, there is a 38% probability of sunny days during this period.

110 mm (4.3 inches)

Precipitation

12 rainy days

Rainy days

8 hours 38 minutes

Sunshine hours

38%

Chance of sun

UV Index

In May, the UV Index in Crystal Lake reaches a maximum of 9, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 15 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 6 8 9 9 8 7 5 3 1 1
Exposure Low Moderate High VeryHigh High Moderate Low
Time to burn 45 min 30 min 25 min 15 min 25 min 30 min 45 min

Compare Crystal Lake's Climate with Cities Worldwide