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15°
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15°
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15°
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The weather in January is slightly warmer than the previous month. January has average maximum temperatures of 15°C (59°F) which is a little too chilly for sunbathing. The sunshine percentage is 55% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 5.4 hours of sunshine per day. It is not a good time for sunbathing in San Mateo County.
January has total rainfall of 1.2cm (0.5inches) making it predominantly dry with occasional light showers on very few days. There are just 8.7 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days.
Sea temperatures are a cold 15°C (59°F). January is too cold for swimming in San Mateo County for any length of time, unless you have a wetsuit.
Consider visiting San Mateo 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 Mateo County.
January has average maximum temperatures of 15°C (59°F) which is a little too chilly for sunbathing. The sunshine percentage is 55% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 5.4 hours of sunshine per day. January has total rainfall of 1.2cm (0.5inches) making it predominantly dry with occasional light showers on very few days. There are just 8.7 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 Mateo 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.
Probably not, January is not a good time for a holiday in San Mateo County.
January has average maximum temperatures of 15°C (59°F) which is a little too chilly for sunbathing. The sunshine percentage is 55% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 5.4 hours of sunshine per day. January has total rainfall of 1.2cm (0.5inches) making it predominantly dry with occasional light showers on very few days. There are just 8.7 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 Mateo County. Sea temperatures are a cold 15°C (59°F). January is too cold for swimming in San Mateo County for any length of time, unless you have a wetsuit.
More about the January temperatures and sunshine.
No, San Mateo County is a little too chilly for sunbathing in January.
The average maximum temperature in San Mateo County in January is 15°C (59°F). The average maximum temperature is 14°C (58°) in the previous month and 14°C (57°F) in the next month.
The average temperature in San Mateo County in January is 10°C (51°F). The average temperature is 10°C (50°F) in the previous month and 10°C (49°F) in the next month.
More info about the January temperatures and sunshine.
The average day light hours per day in San Mateo County in January are 9.9. The sunshine percentage is 55% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 5.4 hours of sunshine per day.
More about January sunshine.
The weather in January is slightly warmer than the previous month. The average maximum temperature in San Mateo County in January is 15°C (59°F). The average maximum temperature is 14°C (58°F) in the previous month and 14°C (57°F) in the next month.
The average temperature in San Mateo County in January is 10°C (51°F). The average temperature is 10°C (50°F) in the previous month and 10°C (49°F) in the next month.
The average minimum temperature in San Mateo County in January is 6°C (42°F). The minimum temperature is 6°C (43°F) in the previous month and 6°C (43°F) in the next month.
The days in January are marginally longer than the previous month and the days continue to get slightly longer into February. January has marginally more hours of sunshine than the previous month and hours of sunshine continue to rise quickly into February. During January the average day light hours are 9.9 per day in San Mateo County. The sunshine percentage is 55% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 5.4 hours of sunshine per day.
The ultraviolet index in San Mateo County in January is typically 2.6 during January. An ultraviolet index reading of 0 to 2 indicates low danger from the sun's UV rays for the average person. Most people will be able to spend several hours in the sun with out a problem, however unprotected skin risks burning in less than 1 hour. Wear sunglasses on bright days. Only those that burn easily will need to apply sunscreen. Watch out for relections from water that may increase ultraviolet exposure.
The average sea water temperature in San Mateo County in January is 15°C (59°F) which is cold for swimming, a full wet suit is required to spend any length of time in the sea.
January weather is noticeably drier than the previous month. January has fewer days of rain than the previous month. The average total rainfall in San Mateo County in January is 1.2cm (0.5inches) and on average there are 8.7 rainy days in January making it a quite rainy time to visit the beach.
The maximum dew point (an indicator of humidity) in San Mateo County in January is 9°C (49°F) which is a bit dry for some. The dew point is 9°C (49°F) in the previous month and 10°C (10°F) in the next month.
The average maximum relative humidity in San Mateo County in January is typically 93.3%. The maximum relative humidity is 93.6% in the previous month and 97.2% in the next month.
The average relative humidity in San Mateo County in January is typically 76.6%. The average relative humidity is 78% in the previous month and 83.6% in the next month.
The average maximum wind speed in San Mateo County in January is typically 26KM/H (16MPH). The average maximum wind speed is 27KM/H (17MPH) in the previous month and 29KM/H (18MPH) in the next month.
The average wind speed in San Mateo County in January is typically 9KM/H (6MPH). The average wind speed is 11KM/H (7MPH) in the previous month and 12KM/H (7MPH) in the next month.
The average wind direction in San Mateo County in January is from the North.
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.
