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Best
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Best
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Best
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Best
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Tan
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Tan
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Tan
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Tan
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Tan
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Tan
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Tan
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Sea
15°
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Sea
15°
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Sea
15°
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Sea
16°
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Sea
16°
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Sea
18°
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Sea
19°
Swim
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Sea
20°
Swim
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Sea
19°
Swim
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Sea
17°
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Sea
16°
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Sea
15°
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January has average maximum temperatures of 19°C (66°F) which is not that warm but sunbathing may be possible on some clear days. The sunshine percentage is 70.5% making it sunny and pleasant most of the time. The hours of sunshine per day are 7.2hrs making the days quite long and bright. January has total rainfall of 3.9cm (1.5inches) making it predominantly dry with occasional light showers on very few days. There are just 7.6 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days. It is not a good time for sunbathing in San Diego County. Sea temperatures are a cold 15°C (59°F). January is too cold for swimming in San Diego County for any length of time, unless you have a wetsuit.
Consider visiting San Diego County in the months of June, July, August, September, for the best beach weather.
Also consider one of our other suggestions for January.
No, January is not a good time for sunbathing in San Diego County.
January has average maximum temperatures of 19°C (66°F) which is not that warm but sunbathing may be possible on some clear days. The sunshine percentage is 70.5% making it sunny and pleasant most of the time. The hours of sunshine per day are 7.2hrs making the days quite long and bright. January has total rainfall of 3.9cm (1.5inches) making it predominantly dry with occasional light showers on very few days. There are just 7.6 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days.
More about January temperature and sunshine.
No, January is too cold for swimming in San Diego County for any length of time, with the sea water at 15°C (59°F), unless you have a wetsuit.
More about January sea temperatures.
Yes, January is a good time for a holiday in San Diego County.
January has average maximum temperatures of 19°C (66°F) which is not that warm but sunbathing may be possible on some clear days. The sunshine percentage is 70.5% making it sunny and pleasant most of the time. The hours of sunshine per day are 7.2hrs making the days quite long and bright. January has total rainfall of 3.9cm (1.5inches) making it predominantly dry with occasional light showers on very few days. There are just 7.6 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days. It is not a good time for sunbathing in San Diego County. Sea temperatures are a cold 15°C (59°F). January is too cold for swimming in San Diego County for any length of time, unless you have a wetsuit.
More about the January temperatures and sunshine.
Yes, San Diego County is not that warm but sunbathing may be possible on some clear days in January.
The average maximum temperature in San Diego County in January is 19°C (66°F). The average maximum temperature is 18°C (65°) in the previous month and 18°C (65°F) in the next month.
The average temperature in San Diego County in January is 13°C (56°F). The average temperature is 13°C (55°F) in the previous month and 13°C (55°F) in the next month.
More info about the January temperatures and sunshine.
The average day light hours per day in San Diego County in January are 10.2. The sunshine percentage is 70.5% making it sunny and pleasant most of the time. The hours of sunshine per day are 7.2hrs making the days quite long and bright.
More about January sunshine.
The average maximum temperature in San Diego County in January is 19°C (66°F). The average maximum temperature is 18°C (65°F) in the previous month and 18°C (65°F) in the next month.
The average temperature in San Diego County in January is 13°C (56°F). The average temperature is 13°C (55°F) in the previous month and 13°C (55°F) in the next month.
The average minimum temperature in San Diego County in January is 8°C (46°F). The minimum temperature is 8°C (46°F) in the previous month and 8°C (47°F) in the next month.
During January the average day light hours are 10.2 per day in San Diego County. The sunshine percentage is 70.5% making it sunny and pleasant most of the time. The hours of sunshine per day are 7.2hrs making the days quite long and bright.
The ultraviolet index in San Diego County in January is typically 3.8 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 Diego County in January is 14.8°C (58.6°F) 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 Diego County in January is 3.9cm (1.5inches) and on average there are 7.6 rainy days in January making it a quite rainy time to visit the beach.
The maximum dew point (an indicator of humidity) in San Diego County in January is 8°C (47°F) which is a bit dry for some. The dew point is 9°C (49°F) in the previous month and 9°C (9°F) in the next month.
The average maximum relative humidity in San Diego County in January is typically 81.6%. The maximum relative humidity is 85.2% in the previous month and 86.7% in the next month.
The average relative humidity in San Diego County in January is typically 61.8%. The average relative humidity is 66.1% in the previous month and 68.3% in the next month.
The average maximum wind speed in San Diego County in January is typically 18KM/H (11MPH). The average maximum wind speed is 18KM/H (11MPH) in the previous month and 20KM/H (12MPH) in the next month.
The average wind speed in San Diego County in January is typically 7KM/H (5MPH). The average wind speed is 8KM/H (5MPH) in the previous month and 8KM/H (5MPH) in the next month.
The average wind direction in San Diego County in January is from the East-Southeast.
Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.
Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.
