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Best
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Best
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15°
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15°
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15°
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15°
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17°
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18°
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18°
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20°
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20°
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18°
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16°
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15°
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May has average maximum temperatures of 15°C (59°F) which is a little too chilly for sunbathing. The sunshine percentage is 72% making it sunny and pleasant most of the time. The hours of sunshine per day are 10.2hrs making the days very long and bright. May has total rainfall of 0.7cm (0.3inches) making it predominantly dry with occasional light showers on very few days. There are just 5.5 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 17°C (62°F). May 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 May.
No, May is not a good time for sunbathing in San Mateo County.
May has average maximum temperatures of 15°C (59°F) which is a little too chilly for sunbathing. The sunshine percentage is 72% making it sunny and pleasant most of the time. The hours of sunshine per day are 10.2hrs making the days very long and bright. May has total rainfall of 0.7cm (0.3inches) making it predominantly dry with occasional light showers on very few days. There are just 5.5 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days.
More about May temperature and sunshine.
No, May is too cold for swimming in San Mateo County for any length of time, with the sea water at 17°C (62°F), unless you have a wetsuit.
More about May sea temperatures.
No, May is not a good time for a holiday in San Mateo County.
May has average maximum temperatures of 15°C (59°F) which is a little too chilly for sunbathing. The sunshine percentage is 72% making it sunny and pleasant most of the time. The hours of sunshine per day are 10.2hrs making the days very long and bright. May has total rainfall of 0.7cm (0.3inches) making it predominantly dry with occasional light showers on very few days. There are just 5.5 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 17°C (62°F). May is too cold for swimming in San Mateo County for any length of time, unless you have a wetsuit.
More about the May temperatures and sunshine.
No, San Mateo County is a little too chilly for sunbathing in May.
The average maximum temperature in San Mateo County in May is 15°C (59°F). The average maximum temperature is 14°C (58°) in the previous month and 16°C (60°F) in the next month.
The average temperature in San Mateo County in May is 12°C (53°F). The average temperature is 11°C (52°F) in the previous month and 13°C (55°F) in the next month.
More info about the May temperatures and sunshine.
The average day light hours per day in San Mateo County in May are 14.2. The sunshine percentage is 72% making it sunny and pleasant most of the time. The hours of sunshine per day are 10.2hrs making the days very long and bright.
More about May sunshine.
The average maximum temperature in San Mateo County in May is 15°C (59°F). The average maximum temperature is 14°C (58°F) in the previous month and 16°C (60°F) in the next month.
The average temperature in San Mateo County in May is 12°C (53°F). The average temperature is 11°C (52°F) in the previous month and 13°C (55°F) in the next month.
The average minimum temperature in San Mateo County in May is 9°C (48°F). The minimum temperature is 8°C (46°F) in the previous month and 10°C (50°F) in the next month.
During May the average day light hours are 14.2 per day in San Mateo County. The sunshine percentage is 72% making it sunny and pleasant most of the time. The hours of sunshine per day are 10.2hrs making the days very long and bright.
The ultraviolet index in San Mateo County in May is typically 9.7 during May. An ultraviolet index reading of 8 to 10 indicates a very high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 15 minutes. Take extra precautions because unprotected skin and eyes will be damaged and can burn quickly. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and 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. Watch out for relections from water that may increase ultraviolet exposure.
The average sea water temperature in San Mateo County in May is 16.8°C (62.2°F) which is cool for swimming, shorty wetsuit may help you extend your time in the water.
The average total rainfall in San Mateo County in May is 0.7cm (0.3inches) and on average there are 5.5 rainy days in May making it a quite rainy time to visit the beach.
The maximum dew point (an indicator of humidity) in San Mateo County in May is 11°C (52°F) which is very comfortable. The dew point is 10°C (51°F) in the previous month and 13°C (13°F) in the next month.
The average maximum relative humidity in San Mateo County in May is typically 96.3%. The maximum relative humidity is 96.9% in the previous month and 98% in the next month.
The average relative humidity in San Mateo County in May is typically 85%. The average relative humidity is 84.1% in the previous month and 88.9% in the next month.
The average maximum wind speed in San Mateo County in May is typically 28KM/H (18MPH). The average maximum wind speed is 29KM/H (18MPH) in the previous month and 24KM/H (15MPH) in the next month.
The average wind speed in San Mateo County in May is typically 14KM/H (9MPH). The average wind speed is 14KM/H (8MPH) in the previous month and 11KM/H (7MPH) in the next month.
The average wind direction in San Mateo County in May is from the North West.
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.
