Weather in Cape Cod Beach, Cape Cod, United States in May

So you're interested in going to Cape Cod Beach, Cape Cod, United States in May

May is a cold and rainy time for sunbathing in Cape Cod Beach and not really recommended. May is too cold for swimming in Cape Cod Beach for any length of time, unless you have a wetsuit. Consider visiting Cape Cod Beach in the months of June, July, August, September, for the best beach weather. Also consider one of our other suggestions for May.

Temperature in Cape Cod Beach in May

The average maximum temperature in Cape Cod Beach in May is 17°. The average maximum temperature is 12° in the previous month and 22° in the next month.

The average temperature in Cape Cod Beach in May is 13°. The average temperature ranges is in the previous month and 18° in the next month.

The average minimum temperature in Cape Cod Beach in May is 10°. The minimum temperature is in the previous month and 15° in the next month.

Sunshine in Cape Cod Beach in May

The average day light hours per day in Cape Cod Beach in May are 14.6 and there are 6.4 hours of sunshine per day on average during May making it a quite sunny month with some cloud cover.

The ultraviolet index in Cape Cod Beach in May is typically 8.4 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 Cape Cod Beach in May

The average sea water temperature in Cape Cod Beach in May is 10.8° which is very cold and bracing, it's not recommended you swim with out a full wet suit.

Rainfall in Cape Cod Beach in May

The average total rainfall in Cape Cod Beach in May is 9.4cm and on average there are 15.5 rainy days in May making it a wet time to visit the beach.

Humidity in Cape Cod Beach in May

The maximum dew point (an indicator of humidity) in Cape Cod Beach in May is 11° which is very comfortable. The dew point is in the previous month and 16° in the next month.

The average maximum relative humidity in Cape Cod Beach in May is typically 93.3%. The maximum relative humidity is 89.5% in the previous month and 94.2% in the next month.

The average relative humidity in Cape Cod Beach in May is typically 79.4%. The average relative humidity is 73.6% in the previous month and 81.4% in the next month.

Wind Speed in Cape Cod Beach in May

The average maximum wind speed in Cape Cod Beach in May is typically 22kmh. The average maximum wind speed is 24kmh in the previous month and 20kmh in the next month.

The average wind speed in Cape Cod Beach in May is typically 11kmh. The average wind speed is 13kmh in the previous month and 10kmh in the next month.

The average wind direction in Cape Cod Beach in May is from the South-Southwest.

Monthly Averages

Suggested Beaches in May

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