Weather in Orange County, United States in December

So you're interested in going to Orange County, United States in December

December is a slightly cold and slightly rainy time for sunbathing in Orange County. December is a little too cold to enjoy swimming in Orange County for any length of time. Consider visiting Orange County in the months of June, July, August, September, for the best beach weather. Also consider one of our other suggestions for December.

Temperature in Orange County in December

The average maximum temperature in Orange County in December is 19°. The average maximum temperature is 22° in the previous month and 20° in the next month.

The average temperature in Orange County in December is 14°. The average temperature ranges is 17° in the previous month and 14° in the next month.

The average minimum temperature in Orange County in December is . The minimum temperature is 12° in the previous month and in the next month.

Sunshine in Orange County in December

The average day light hours per day in Orange County in December are 9.9 and there are 7.1 hours of sunshine per day on average during December making it a quite sunny month with some cloud cover.

The ultraviolet index in Orange County in December is typically 3.3 during December. An ultraviolet index reading of 3 to 5 indicates there is a moderate risk of harm from unprotected sun exposure. Keep out of the sun during the strongest hours around midday when unprotected skin risks burning in less than 30 minutes. For the sensitive wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days, and after swimming or sweating. Tanning for hours is possible with the right application of sun cream. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in Orange County in December

The average sea water temperature in Orange County in December is 18.7° which is cool for swimming, shorty wetsuit may help you extend your time in the water.

Rainfall in Orange County in December

The average total rainfall in Orange County in December is 43.5cm and on average there are 8.9 rainy days in December making it a slightly wet time to visit the beach.

Humidity in Orange County in December

The maximum dew point (an indicator of humidity) in Orange County in December is which is a bit dry for some. The dew point is 11° in the previous month and in the next month.

The average maximum relative humidity in Orange County in December is typically 81.1%. The maximum relative humidity is 78.8% in the previous month and 79% in the next month.

The average relative humidity in Orange County in December is typically 62.6%. The average relative humidity is 59.5% in the previous month and 59.4% in the next month.

Wind Speed in Orange County in December

The average maximum wind speed in Orange County in December is typically 20kmh. The average maximum wind speed is 20kmh in the previous month and 21kmh in the next month.

The average wind speed in Orange County in December is typically 6kmh. The average wind speed is 6kmh in the previous month and 7kmh in the next month.

The average wind direction in Orange County in December is from the South.

Monthly Averages

Suggested Beaches in December

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