Weather in San Luis Obispo County, United States in May

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Visiting San Luis Obispo County, United States in May

The weather in May is warmer than the previous month and temperatures continue to rise slightly into June. May has average maximum temperatures of 25°C (76°F) which is nice and warm and makes sunbathing pleasant on clear days. The sunshine percentage is 72.7% 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. It is a great time for sunbathing in San Luis Obispo County.

May has total rainfall of 1cm (0.4inches) making it extremely dry with very few light showers and most days are rain free. There are just 2.5 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 cold 16°C (61°F). May is too cold for swimming in San Luis Obispo County for any length of time, unless you have a wetsuit. The sea temperature in May is marginally warmer than the previous month and temperatures continue to rise slightly into June.

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 May.

Can you sunbathe in San Luis Obispo County in May?

Yes, May is a great time for sunbathing in San Luis Obispo County.

May has average maximum temperatures of 25°C (76°F) which is nice and warm and makes sunbathing pleasant on clear days. The sunshine percentage is 72.7% 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 1cm (0.4inches) making it extremely dry with very few light showers and most days are rain free. There are just 2.5 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 May temperature and sunshine.

Can you swim in San Luis Obispo County in May?

No, May is too cold for swimming in San Luis Obispo County for any length of time, with the sea water at 16°C (61°F), unless you have a wetsuit.

More about May sea temperatures.

Is May a good time to holiday in San Luis Obispo County?

Yes, May is a good time for a holiday in San Luis Obispo County.

May has average maximum temperatures of 25°C (76°F) which is nice and warm and makes sunbathing pleasant on clear days. The sunshine percentage is 72.7% 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 1cm (0.4inches) making it extremely dry with very few light showers and most days are rain free. There are just 2.5 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. It is a great time for sunbathing in San Luis Obispo County. Sea temperatures are a cold 16°C (61°F). May is too cold for swimming in San Luis Obispo County for any length of time, unless you have a wetsuit.

More about the May temperatures and sunshine.

Is San Luis Obispo County warm in May?

Yes, San Luis Obispo County is nice and warm and makes sunbathing pleasant on clear days in May.

The average maximum temperature in San Luis Obispo County in May is 25°C (76°F). The average maximum temperature is 22°C (71°) in the previous month and 27°C (80°F) in the next month.

The average temperature in San Luis Obispo County in May is 17°C (62°F). The average temperature is 14°C (57°F) in the previous month and 19°C (65°F) in the next month.

More info about the May temperatures and sunshine.

How sunny is San Luis Obispo County in May?

The average day light hours per day in San Luis Obispo County in May are 14. The sunshine percentage is 72.7% 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.

Temperature in San Luis Obispo County in May

The weather in May is warmer than the previous month and temperatures continue to rise slightly into June. The average maximum temperature in San Luis Obispo County in May is 25°C (76°F). The average maximum temperature is 22°C (71°F) in the previous month and 27°C (80°F) in the next month.

The average temperature in San Luis Obispo County in May is 17°C (62°F). The average temperature is 14°C (57°F) in the previous month and 19°C (65°F) in the next month.

The average minimum temperature in San Luis Obispo County in May is 9°C (48°F). The minimum temperature is 7°C (45°F) in the previous month and 11°C (52°F) in the next month.

Sunshine in San Luis Obispo County in May

The days in May are longer than the previous month and the days continue to get marginally longer into June. May has slightly more hours of sunshine than the previous month and hours of sunshine continue to rise into June. During May the average day light hours are 14 per day in San Luis Obispo County. The sunshine percentage is 72.7% 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 Luis Obispo County in May is typically 10.4 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.

Sea Temperature in San Luis Obispo County in May

The average sea water temperature in San Luis Obispo County in May is 16.1°C (61.0°F) which is cool for swimming, shorty wetsuit may help you extend your time in the water. The sea temperature in May is marginally warmer than the previous month and temperatures continue to rise slightly into June.

Rainfall in San Luis Obispo County in May

May weather is marginally drier than the previous month and rainfall continues to drop slightly into June. May has fewer days of rain than the previous month and rainy days continue to drop slightly into June. The average total rainfall in San Luis Obispo County in May is 1cm (0.4inches) and on average there are 2.5 rainy days in May making it a very dry time to visit the beach.

Humidity in San Luis Obispo County in May

The maximum dew point (an indicator of humidity) in San Luis Obispo County in May is 10°C (50°F) which is a bit dry for some. The dew point is 9°C (49°F) in the previous month and 11°C (11°F) in the next month.

The average maximum relative humidity in San Luis Obispo County in May is typically 88.6%. The maximum relative humidity is 90.8% in the previous month and 88.4% in the next month.

The average relative humidity in San Luis Obispo County in May is typically 65.7%. The average relative humidity is 69% in the previous month and 66% in the next month.

Wind Speed in San Luis Obispo County in May

The average maximum wind speed in San Luis Obispo County in May is typically 32KM/H (20MPH). The average maximum wind speed is 30KM/H (19MPH) in the previous month and 31KM/H (20MPH) in the next month.

The average wind speed in San Luis Obispo County in May is typically 12KM/H (7MPH). The average wind speed is 10KM/H (6MPH) in the previous month and 11KM/H (7MPH) in the next month.

The average wind direction in San Luis Obispo County in May is from the West-Northwest.

Monthly Averages

Suggested Beaches in May

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Need Inspiration?

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