
A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. On bright days sunglasses that block both UVA and UVB rays should be worn. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Take precautions - Protection against sun damage is advised. Note: In December, the average maximum UV index of 3 translate into the following recommendations: A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to the Sun's UV rays for the ordinary person. Weather overview for Rancho Mirage (Riverside County, California, United States): detailed weather forecasts, 14 days trend, current rain/snow radar, storm tracking, current observations, satellite images, model charts and much more. UV indexWith an average maximum UV index of 3, December is the month with the lowest UV index in Rancho Mirage. SunshineWith an average of 7h of sunshine, December has the least sunshine of the year in Rancho Mirage, California. DaylightWith an average of 9.9h of daylight, December has the shortest days of the year. In Rancho Mirage, during the entire year, the rain falls for 54 days and collects up to 6.57" (167mm) of precipitation. Rainfall In Rancho Mirage, during December, the rain falls for 5.4 days and regularly aggregates up to 0.91" (23mm) of precipitation. HumidityThe most humid month in Rancho Mirage is December, with an average relative humidity of 47%. TemperatureWith an average high-temperature of 58.1☏ (14.5☌) and an average low-temperature of 42.8☏ (6☌), December is the coldest month. December, the first month of the winter, in Rancho Mirage, is still a mild month, with average temperature ranging between max 58.1☏ (14.5☌) and min 42.8☏ (6☌).
