December is a slightly cold and slightly rainy time for sunbathing in Oceanside. December is a little too cold to enjoy swimming in Oceanside for any length of time. Consider visiting Oceanside in the months of June, July, August, September, for the best beach weather. Also consider one of our other suggestions for December.
The average maximum temperature in Oceanside in December is 19°. The average maximum temperature is 22° in the previous month and 19° in the next month.
The average temperature in Oceanside in December is 12°. The average temperature ranges is 15° in the previous month and 12° in the next month.
The average minimum temperature in Oceanside in December is 5°. The minimum temperature is 8° in the previous month and 5° in the next month.
The average day light hours per day in Oceanside in December are 10 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 Oceanside in December is typically 3.5 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.
The average sea water temperature in Oceanside in December is 19.1° which is comfortable for swimming though some may prefer warmer water.
The average total rainfall in Oceanside in December is 54.5cm and on average there are 8.2 rainy days in December making it a slightly wet time to visit the beach.
The maximum dew point (an indicator of humidity) in Oceanside in December is 10° which is very comfortable. The dew point is 12° in the previous month and 9° in the next month.
The average maximum relative humidity in Oceanside in December is typically 92.2%. The maximum relative humidity is 90.2% in the previous month and 89.3% in the next month.
The average relative humidity in Oceanside in December is typically 70.2%. The average relative humidity is 68.6% in the previous month and 66.6% in the next month.
The average maximum wind speed in Oceanside in December is typically 21kmh. The average maximum wind speed is 20kmh in the previous month and 20kmh in the next month.
The average wind speed in Oceanside in December is typically 5kmh. The average wind speed is 5kmh in the previous month and 5kmh in the next month.
The average wind direction in Oceanside in December is from the North West.
