Weather in San Mateo County, United States in June

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Visiting San Mateo County, United States in June

June is one of the best months to visit San Mateo County for the best beach weather. It has the most sunshine and best sunbathing and swimming conditions of the year.

The weather in June is marginally warmer than the previous month and temperatures continue to rise slightly into July. June has average maximum temperatures of 16°C (60°F) which is a little too chilly for sunbathing. The sunshine percentage is 75% making it sunny and pleasant most of the time. The hours of sunshine per day are 11.1hrs making the days very long and bright.

June has total rainfall of 0.3cm (0.1inches) making it extremely dry with very few light showers and most days are rain free. There are just 4.3 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days and rainy days are few and far between.

Sea temperatures are a chilly 18°C (64°F). June is a little too cold to enjoy swimming in San Mateo County for prolonged periods of time. The sea temperature in June is marginally warmer than the previous month and temperatures continue to rise slightly into July.

Also consider visiting San Mateo County in one of the other best months of July, August, September, for the best beach weather. Also consider one of our other suggestions for June.

Can you sunbathe in San Mateo County in June?

No, June is not a good time for sunbathing in San Mateo County.

June has average maximum temperatures of 16°C (60°F) which is a little too chilly for sunbathing. The sunshine percentage is 75% making it sunny and pleasant most of the time. The hours of sunshine per day are 11.1hrs making the days very long and bright. June has total rainfall of 0.3cm (0.1inches) making it extremely dry with very few light showers and most days are rain free. There are just 4.3 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days and rainy days are few and far between.

More about June temperature and sunshine.

Can you swim in San Mateo County in June?

Probably not, June is a little too cold to enjoy swimming in San Mateo County for prolonged periods of time with the sea water at 18°C (64°F).

More about June sea temperatures.

Is June a good time to holiday in San Mateo County?

Probably not, June is not a good time for a holiday in San Mateo County.

June has average maximum temperatures of 16°C (60°F) which is a little too chilly for sunbathing. The sunshine percentage is 75% making it sunny and pleasant most of the time. The hours of sunshine per day are 11.1hrs making the days very long and bright. June has total rainfall of 0.3cm (0.1inches) making it extremely dry with very few light showers and most days are rain free. There are just 4.3 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days and rainy days are few and far between. Sea temperatures are a chilly 18°C (64°F). June is a little too cold to enjoy swimming in San Mateo County for prolonged periods of time.

More about the June temperatures and sunshine.

Is San Mateo County warm in June?

No, San Mateo County is a little too chilly for sunbathing in June.

The average maximum temperature in San Mateo County in June is 16°C (60°F). The average maximum temperature is 15°C (59°) in the previous month and 16°C (62°F) in the next month.

The average temperature in San Mateo County in June is 13°C (55°F). The average temperature is 12°C (53°F) in the previous month and 14°C (57°F) in the next month.

More info about the June temperatures and sunshine.

How sunny is San Mateo County in June?

The average day light hours per day in San Mateo County in June are 14.7. The sunshine percentage is 75% making it sunny and pleasant most of the time. The hours of sunshine per day are 11.1hrs making the days very long and bright.

More about June sunshine.

Temperature in San Mateo County in June

The weather in June is marginally warmer than the previous month and temperatures continue to rise slightly into July. The average maximum temperature in San Mateo County in June is 16°C (60°F). The average maximum temperature is 15°C (59°F) in the previous month and 16°C (62°F) in the next month.

The average temperature in San Mateo County in June is 13°C (55°F). The average temperature is 12°C (53°F) in the previous month and 14°C (57°F) in the next month.

The average minimum temperature in San Mateo County in June is 10°C (50°F). The minimum temperature is 9°C (48°F) in the previous month and 12°C (53°F) in the next month.

Sunshine in San Mateo County in June

The days in June are longer than the previous month. June has a slightly more hours of sunshine than the previous month. During June the average day light hours are 14.7 per day in San Mateo County. The sunshine percentage is 75% making it sunny and pleasant most of the time. The hours of sunshine per day are 11.1hrs making the days very long and bright.

The ultraviolet index in San Mateo County in June is typically 10.6 during June. 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.

Sea Temperature in San Mateo County in June

The average sea water temperature in San Mateo County in June is 17.7°C (63.9°F) which is cool for swimming, shorty wetsuit may help you extend your time in the water. The sea temperature in June is marginally warmer than the previous month and temperatures continue to rise slightly into July.

Rainfall in San Mateo County in June

June weather is marginally drier than the previous month and rainfall continues to drop slightly into July. June has a couple of less days of rain than the previous month and rainy days continue to drop slightly into July. The average total rainfall in San Mateo County in June is 0.3cm (0.1inches) and on average there are 4.3 rainy days in June making it a very dry time to visit the beach.

Humidity in San Mateo County in June

The maximum dew point (an indicator of humidity) in San Mateo County in June is 13°C (55°F) which is very comfortable. The dew point is 11°C (52°F) in the previous month and 14°C (14°F) in the next month.

The average maximum relative humidity in San Mateo County in June is typically 98%. The maximum relative humidity is 96.3% in the previous month and 98.8% in the next month.

The average relative humidity in San Mateo County in June is typically 88.9%. The average relative humidity is 85% in the previous month and 91.5% in the next month.

Wind Speed in San Mateo County in June

The average maximum wind speed in San Mateo County in June is typically 24KM/H (15MPH). The average maximum wind speed is 28KM/H (18MPH) in the previous month and 19KM/H (12MPH) in the next month.

The average wind speed in San Mateo County in June is typically 11KM/H (7MPH). The average wind speed is 14KM/H (9MPH) in the previous month and 10KM/H (6MPH) in the next month.

The average wind direction in San Mateo County in June is from the West-Northwest.

Monthly Averages

Suggested Beaches in June

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Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.

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Need Inspiration?

Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.