Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.The ultimate Interstate 10 pit stop is now even better! Welcome to the all-new Morongo Travel Center! Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. The Sun's most harmful UV rays are emitted around midday avoid staying outdoors for long during this time. Light skin individuals may get burned in less than 30 minutes. Note: The UV index of 3 during December leads to these advisories: A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals. UV index November and December, with an average maximum UV index of 3, are months with the lowest UV index in Morongo Valley. SunshineDecember has the least sunshine of the year in Morongo Valley, California, with an average of 7h of sunshine. On the last day of December, in Morongo Valley, sunrise is at 6:51 am and sunset at 4:47 pm PST. On the first day of the month, sunrise is at 6:33 am and sunset at 4:37 pm.

DaylightDecember has the shortest days of the year, with an average of 9h and 54min of daylight. Snow falls for 0.2 days and accumulates 0.35' of snow. December is the month with the most snowfall. SnowfallMonths with snowfall are February and December.

RainfallThe month with the most rainfall is December, when the rain falls for 4 days and typically aggregates up to 0.47' of precipitation. HumidityThe most humid month in Morongo Valley is December, with an average relative humidity of 47%. TemperatureIn Morongo Valley, the lowest average temperatures are observed in December, with a high of 55.9☏ and a low of 41.4☏. December, the first month of the winter in Morongo Valley, is also a moderate month, with an average temperature varying between 55.9☏ and 41.4☏.

Morongo casino weather forecast