Weather in Kapaa, United States in December

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Visiting Kapaa, United States in December

The weather in December is marginally cooler than the previous month and temperatures continue to drop slightly into January. December has average maximum temperatures of 27°C (80°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 47% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.1 hours of sunshine per day. It is a good time for sunbathing in Kapaa.

December has total rainfall of 9.4cm (3.7inches) making it mostly dry with only light showers. There are just 10 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days.

Sea temperatures are a warm 25°C (76°F). December is a good month for swimming in Kapaa with comfortable temperatures for most people. The sea temperature in December is slightly cooler than the previous month.

Consider visiting Kapaa in the months of May, July, August, September, for the best beach weather. Also consider one of our other suggestions for December.

Can you sunbathe in Kapaa in December?

Yes, December is a good time for sunbathing in Kapaa.

December has average maximum temperatures of 27°C (80°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 47% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.1 hours of sunshine per day. December has total rainfall of 9.4cm (3.7inches) making it mostly dry with only light showers. There are just 10 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days.

More about December temperature and sunshine.

Can you swim in Kapaa in December?

Yes, December is a good month for swimming in Kapaa with warm sea temperatures 25°C (76°F).

More about December sea temperatures.

Is December a good time to holiday in Kapaa?

Yes, December is a good time for a holiday in Kapaa.

December has average maximum temperatures of 27°C (80°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 47% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.1 hours of sunshine per day. December has total rainfall of 9.4cm (3.7inches) making it mostly dry with only light showers. There are just 10 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days. It is a good time for sunbathing in Kapaa. Sea temperatures are a warm 25°C (76°F). December is a good month for swimming in Kapaa with comfortable temperatures for most people.

More about the December temperatures and sunshine.

Is Kapaa warm in December?

Yes, Kapaa is very warm and perfect for sunbathing on clear days in December.

The average maximum temperature in Kapaa in December is 27°C (80°F). The average maximum temperature is 28°C (82°) in the previous month and 26°C (79°F) in the next month.

The average temperature in Kapaa in December is 23°C (74°F). The average temperature is 24°C (76°F) in the previous month and 22°C (72°F) in the next month.

More info about the December temperatures and sunshine.

How sunny is Kapaa in December?

The average day light hours per day in Kapaa in December are 10.8. The sunshine percentage is 47% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.1 hours of sunshine per day.

More about December sunshine.

Temperature in Kapaa in December

The weather in December is marginally cooler than the previous month and temperatures continue to drop slightly into January. The average maximum temperature in Kapaa in December is 27°C (80°F). The average maximum temperature is 28°C (82°F) in the previous month and 26°C (79°F) in the next month.

The average temperature in Kapaa in December is 23°C (74°F). The average temperature is 24°C (76°F) in the previous month and 22°C (72°F) in the next month.

The average minimum temperature in Kapaa in December is 20°C (68°F). The minimum temperature is 21°C (70°F) in the previous month and 19°C (67°F) in the next month.

Sunshine in Kapaa in December

The days in December are slightly shorter than the previous month. December has slightly less hours of sunshine than the previous month. During December the average day light hours are 10.8 per day in Kapaa. The sunshine percentage is 47% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.1 hours of sunshine per day.

The ultraviolet index in Kapaa in December is typically 6.2 during December. An ultraviolet index reading of 6 to 7 indicates a high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 20 minutes. Protection against skin and eye damage is needed. Tanning will be safest before 10am and after 4pm. 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 Kapaa in December

The average sea water temperature in Kapaa in December is 24.5°C (76.1°F) which is warm and pleasant for relaxing and swimming for long periods. The sea temperature in December is slightly cooler than the previous month.

Rainfall in Kapaa in December

December weather is slightly wetter than the previous month. December has a few more days of rain than the previous month. The average total rainfall in Kapaa in December is 9.4cm (3.7inches) and on average there are 10 rainy days in December making it a quite rainy time to visit the beach.

Humidity in Kapaa in December

The maximum dew point (an indicator of humidity) in Kapaa in December is 20°C (67°F) which is somewhat uncomfortable for most people in cities but fine on a beach. The dew point is 20°C (67°F) in the previous month and 19°C (19°F) in the next month.

The average maximum relative humidity in Kapaa in December is typically 81.8%. The maximum relative humidity is 78.1% in the previous month and 79.8% in the next month.

The average relative humidity in Kapaa in December is typically 70.4%. The average relative humidity is 64.9% in the previous month and 68.3% in the next month.

Wind Speed in Kapaa in December

The average maximum wind speed in Kapaa in December is typically 21KM/H (13MPH). The average maximum wind speed is 20KM/H (12MPH) in the previous month and 22KM/H (14MPH) in the next month.

The average wind speed in Kapaa in December is typically 9KM/H (6MPH). The average wind speed is 8KM/H (5MPH) in the previous month and 11KM/H (7MPH) in the next month.

The average wind direction in Kapaa in December is from the East-Northeast.

Monthly Averages

Suggested Beaches in December

Need Inspiration?

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.