Weather in Hilo, Hawaii Island, United States in December

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Visiting Hilo, Hawaii Island, 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 66% making it sunny but overcast at times. The hours of sunshine per day are 7.2hrs making the days quite long and bright. It is a good time for sunbathing in Hilo.

December has total rainfall of 24.3cm (9.6inches) making it quite rainy but mostly with moderate tropical showers. There are 17.1 days with some rainfall so you can still enjoy the beach on the clear days.

Sea temperatures are a very warm 25°C (78°F). December is an excellent month for swimming in Hilo with very comfortable temperatures for bathing all day. The sea temperature in December is marginally cooler than the previous month and temperatures continue to drop slightly into January.

December sees a continuation of the wet season, with frequent rain showers and occasional sunny days. The ocean remains calm, making it suitable for swimming and snorkeling. Surfing conditions may not be ideal, but windsurfing and kitesurfing can still be enjoyed on windier days. Consider visiting Hilo in the months of May, June, July, September, for the best beach weather. Also consider one of our other suggestions for December.

Can you sunbathe in Hilo in December?

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

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 66% making it sunny but overcast at times. The hours of sunshine per day are 7.2hrs making the days quite long and bright. December has total rainfall of 24.3cm (9.6inches) making it quite rainy but mostly with moderate tropical showers. There are 17.1 days with some rainfall so you can still enjoy the beach on the clear days.

More about December temperature and sunshine.

Can you swim in Hilo in December?

Yes, December is an excellent month for swimming in Hilo with very warm sea temperatures 25°C (78°F).

More about December sea temperatures.

Is December a good time to holiday in Hilo?

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

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 66% making it sunny but overcast at times. The hours of sunshine per day are 7.2hrs making the days quite long and bright. December has total rainfall of 24.3cm (9.6inches) making it quite rainy but mostly with moderate tropical showers. There are 17.1 days with some rainfall so you can still enjoy the beach on the clear days. It is a good time for sunbathing in Hilo. Sea temperatures are a very warm 25°C (78°F). December is an excellent month for swimming in Hilo with very comfortable temperatures for bathing all day.

More about the December temperatures and sunshine.

Is Hilo warm in December?

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

The average maximum temperature in Hilo in December is 27°C (80°F). The average maximum temperature is 27°C (81°) in the previous month and 26°C (80°F) in the next month.

The average temperature in Hilo in December is 23°C (73°F). The average temperature is 23°C (74°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 Hilo in December?

The average day light hours per day in Hilo in December are 10.9. The sunshine percentage is 66% making it sunny but overcast at times. The hours of sunshine per day are 7.2hrs making the days quite long and bright.

More about December sunshine.

Crowds in Hilo in December

December experiences an increase in visitors as people take holiday vacations. The beaches can become moderately crowded, especially during the Christmas and New Year's holidays. Despite this, the overall crowds are not as intense as during the peak summer months.

Temperature in Hilo 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 Hilo in December is 27°C (80°F). The average maximum temperature is 27°C (81°F) in the previous month and 26°C (80°F) in the next month.

The average temperature in Hilo in December is 23°C (73°F). The average temperature is 23°C (74°F) in the previous month and 22°C (72°F) in the next month.

The average minimum temperature in Hilo in December is 19°C (65°F). The minimum temperature is 19°C (67°F) in the previous month and 18°C (64°F) in the next month.

Sunshine in Hilo 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 10.9 per day in Hilo. The sunshine percentage is 66% making it sunny but overcast at times. The hours of sunshine per day are 7.2hrs making the days quite long and bright.

The ultraviolet index in Hilo in December is typically 7 during December. 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 Hilo in December

The average sea water temperature in Hilo in December is 25.3°C (77.5°F) which is warm and pleasant for relaxing and swimming for long periods. The sea temperature in December is marginally cooler than the previous month and temperatures continue to drop slightly into January.

Rainfall in Hilo in December

December weather is marginally drier than the previous month and rainfall continues to drop into January. December has a few more days of rain than the previous month. The average total rainfall in Hilo in December is 24.3cm (9.6inches) and on average there are 17.1 rainy days in December making it a wet time to visit the beach.

Humidity in Hilo in December

The maximum dew point (an indicator of humidity) in Hilo 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 21°C (69°F) in the previous month and 19°C (19°F) in the next month.

The average maximum relative humidity in Hilo in December is typically 90.5%. The maximum relative humidity is 91.2% in the previous month and 89.4% in the next month.

The average relative humidity in Hilo in December is typically 76.5%. The average relative humidity is 77.3% in the previous month and 74.5% in the next month.

Wind Speed in Hilo in December

The average maximum wind speed in Hilo in December is typically 24KM/H (15MPH). The average maximum wind speed is 23KM/H (14MPH) in the previous month and 25KM/H (16MPH) in the next month.

The average wind speed in Hilo in December is typically 10KM/H (6MPH). The average wind speed is 9KM/H (6MPH) in the previous month and 10KM/H (6MPH) in the next month.

The average wind direction in Hilo in December is from the South West.

Monthly Averages

Suggested Beaches in December

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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.