January is a slightly cold and slightly rainy time for sunbathing in San Luis Obispo County. January is too cold for swimming in San Luis Obispo County for any length of time, unless you have a wetsuit. Consider visiting San Luis Obispo County in the months of June, July, August, September, for the best beach weather.
Also consider one of our other suggestions for January.
The average maximum temperature in San Luis Obispo County in January is 18°. The average maximum temperature is 17° in the previous month and 18° in the next month.
The average temperature in San Luis Obispo County in January is 11°. The average temperature ranges is 11° in the previous month and 11° in the next month.
The average minimum temperature in San Luis Obispo County in January is 4°. The minimum temperature is 4° in the previous month and 5° in the next month.
The average day light hours per day in San Luis Obispo County in January are 10 and there are 6.1 hours of sunshine per day on average during January making it a quite sunny month with some cloud cover.
The ultraviolet index in San Luis Obispo County in January is typically 3.2 during January. 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 San Luis Obispo County in January is 14.7° which is cold for swimming, a full wet suit is required to spend any length of time in the sea.
The average total rainfall in San Luis Obispo County in January is 60cm and on average there are 8.1 rainy days in January making it a slightly wet time to visit the beach.
The maximum dew point (an indicator of humidity) in San Luis Obispo County in January is 7° which is a bit dry for some. The dew point is 7° in the previous month and 8° in the next month.
The average maximum relative humidity in San Luis Obispo County in January is typically 88.9%. The maximum relative humidity is 89.6% in the previous month and 92.7% in the next month.
The average relative humidity in San Luis Obispo County in January is typically 68.9%. The average relative humidity is 70.5% in the previous month and 73.6% in the next month.
The average maximum wind speed in San Luis Obispo County in January is typically 23kmh. The average maximum wind speed is 23kmh in the previous month and 25kmh in the next month.
The average wind speed in San Luis Obispo County in January is typically 7kmh. The average wind speed is 7kmh in the previous month and 8kmh in the next month.
The average wind direction in San Luis Obispo County in January is from the West-Southwest.