Weather in Half Moon Bay, United States in April

So you're interested in going to Half Moon Bay, United States in April

April is a very cold and dry time for sunbathing in Half Moon Bay, and not recommended. April is too cold for swimming in Half Moon Bay for any length of time, unless you have a wetsuit. 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.

Temperature in Half Moon Bay in April

The average maximum temperature in Half Moon Bay in April is 14°. The average maximum temperature is 14° in the previous month and 15° in the next month.

The average temperature in Half Moon Bay in April is 11°. The average temperature ranges is 10° in the previous month and 12° in the next month.

The average minimum temperature in Half Moon Bay in April is . The minimum temperature is in the previous month and in the next month.

Sunshine in Half Moon Bay in April

The average day light hours per day in Half Moon Bay in April are 13.2 and there are 9.3 hours of sunshine per day on average during April making it a sunny month with few clouds.

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 15.4° which is cold for swimming, a full wet suit is required to spend any length of time in the sea.

Rainfall in Half Moon Bay in April

The average total rainfall in Half Moon Bay in April is 2cm and on average there are 9.7 rainy days in April making it a dry 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° which is very comfortable. The dew point is 10° in the previous month and 11° 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 29kmh. The average maximum wind speed is 28kmh in the previous month and 28kmh in the next month.

The average wind speed in Half Moon Bay in April is typically 14kmh. The average wind speed is 12kmh in the previous month and 14kmh 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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