Weather in Half Moon Bay, United States in April

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Visiting Half Moon Bay, United States in April

The weather in April is marginally warmer than the previous month and temperatures continue to rise slightly into May. April has average maximum temperatures of 14°C (58°F) which is a little too chilly for sunbathing. The sunshine percentage is 71% making it sunny and pleasant most of the time. The hours of sunshine per day are 9.3hrs making the days long and bright. It is not a good time for sunbathing in Half Moon Bay.

April has total rainfall of 2cm (0.8inches) making it predominantly dry with occasional light showers on very few days. There are just 9.7 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). April is too cold for swimming in Half Moon Bay for any length of time, unless you have a wetsuit. The sea temperature in April is marginally warmer than the previous month and temperatures continue to rise slightly into May.

Consider visiting Half Moon Bay in the months of June, July, August, September, for the best beach weather. Also consider one of our other suggestions for April.

Can you sunbathe in Half Moon Bay in April?

No, April is not a good time for sunbathing in Half Moon Bay.

April has average maximum temperatures of 14°C (58°F) which is a little too chilly for sunbathing. The sunshine percentage is 71% making it sunny and pleasant most of the time. The hours of sunshine per day are 9.3hrs making the days long and bright. April has total rainfall of 2cm (0.8inches) making it predominantly dry with occasional light showers on very few days. There are just 9.7 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days.

More about April temperature and sunshine.

Can you swim in Half Moon Bay in April?

No, April is too cold for swimming in Half Moon Bay for any length of time, with the sea water at 15°C (59°F), unless you have a wetsuit.

More about April sea temperatures.

Is April a good time to holiday in Half Moon Bay?

No, April is not a good time for a holiday in Half Moon Bay.

April has average maximum temperatures of 14°C (58°F) which is a little too chilly for sunbathing. The sunshine percentage is 71% making it sunny and pleasant most of the time. The hours of sunshine per day are 9.3hrs making the days long and bright. April has total rainfall of 2cm (0.8inches) making it predominantly dry with occasional light showers on very few days. There are just 9.7 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 Half Moon Bay. Sea temperatures are a cold 15°C (59°F). April is too cold for swimming in Half Moon Bay for any length of time, unless you have a wetsuit.

More about the April temperatures and sunshine.

Is Half Moon Bay warm in April?

No, Half Moon Bay is a little too chilly for sunbathing in April.

The average maximum temperature in Half Moon Bay in April is 14°C (58°F). The average maximum temperature is 14°C (57°) in the previous month and 15°C (59°F) in the next month.

The average temperature in Half Moon Bay in April is 11°C (52°F). The average temperature is 10°C (51°F) in the previous month and 12°C (53°F) in the next month.

More info about the April temperatures and sunshine.

How sunny is Half Moon Bay in April?

The average day light hours per day in Half Moon Bay in April are 13.2. The sunshine percentage is 71% making it sunny and pleasant most of the time. The hours of sunshine per day are 9.3hrs making the days long and bright.

More about April sunshine.

Temperature in Half Moon Bay in April

The weather in April is marginally warmer than the previous month and temperatures continue to rise slightly into May. The average maximum temperature in Half Moon Bay in April is 14°C (58°F). The average maximum temperature is 14°C (57°F) in the previous month and 15°C (59°F) in the next month.

The average temperature in Half Moon Bay in April is 11°C (52°F). The average temperature is 10°C (51°F) in the previous month and 12°C (53°F) in the next month.

The average minimum temperature in Half Moon Bay in April is 8°C (46°F). The minimum temperature is 7°C (44°F) in the previous month and 9°C (48°F) in the next month.

Sunshine in Half Moon Bay in April

The days in April are much longer than the previous month and the days continue to get slightly longer into May. April has more hours of sunshine than the previous month and hours of sunshine continue to rise into May. During April the average day light hours are 13.2 per day in Half Moon Bay. The sunshine percentage is 71% making it sunny and pleasant most of the time. The hours of sunshine per day are 9.3hrs making the days long and bright.

The ultraviolet index in Half Moon Bay in April is typically 8.2 during April. 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 Half Moon Bay in April

The average sea water temperature in Half Moon Bay in April 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. The sea temperature in April is marginally warmer than the previous month and temperatures continue to rise slightly into May.

Rainfall in Half Moon Bay in April

April weather is drier than the previous month and rainfall continues to drop slightly into May. April has fewer days of rain than the previous month and rainy days continue to drop into May. The average total rainfall in Half Moon Bay in April is 2cm (0.8inches) and on average there are 9.7 rainy days in April making it a quite rainy time to visit the beach.

Humidity in Half Moon Bay in April

The maximum dew point (an indicator of humidity) in Half Moon Bay in April is 10°C (51°F) which is very comfortable. The dew point is 10°C (51°F) in the previous month and 11°C (11°F) in the next month.

The average maximum relative humidity in Half Moon Bay in April is typically 96.9%. The maximum relative humidity is 97.3% in the previous month and 96.3% in the next month.

The average relative humidity in Half Moon Bay in April is typically 84.1%. The average relative humidity is 84.9% in the previous month and 85% in the next month.

Wind Speed in Half Moon Bay in April

The average maximum wind speed in Half Moon Bay in April is typically 29KM/H (18MPH). The average maximum wind speed is 28KM/H (18MPH) in the previous month and 28KM/H (18MPH) in the next month.

The average wind speed in Half Moon Bay in April is typically 14KM/H (8MPH). The average wind speed is 12KM/H (8MPH) in the previous month and 14KM/H (9MPH) in the next month.

The average wind direction in Half Moon Bay in April is from the North West.

Monthly Averages

Suggested Beaches in April

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