Weather in Kailua, United States in January

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Visiting Kailua, United States in January

The weather in January is marginally cooler than the previous month and temperatures continue to drop slightly into February. January has average maximum temperatures of 26°C (78°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 50% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.5 hours of sunshine per day. It is not an optimal time for sunbathing but it is possible on clearer days in Kailua.

January has total rainfall of 9.5cm (3.7inches) making it often dry with only light showers. There are 19.3 days with some rainfall so you can still enjoy the beach on the clear days.

Sea temperatures are a very warm 26°C (78°F). January is an excellent month for swimming in Kailua with very comfortable temperatures for bathing all day. The sea temperature in January is slightly warmer than the previous month.

Consider visiting Kailua in the months of June, July, August, September, for the best beach weather. Also consider one of our other suggestions for January.

Can you sunbathe in Kailua in January?

Yes, January is not an optimal time for sunbathing but it is possible on clearer days in Kailua.

January has average maximum temperatures of 26°C (78°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 50% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.5 hours of sunshine per day. January has total rainfall of 9.5cm (3.7inches) making it often dry with only light showers. There are 19.3 days with some rainfall so you can still enjoy the beach on the clear days.

More about January temperature and sunshine.

Can you swim in Kailua in January?

Yes, January is an excellent month for swimming in Kailua with very warm sea temperatures 26°C (78°F).

More about January sea temperatures.

Is January a good time to holiday in Kailua?

Yes, January is a good time for a holiday in Kailua.

January has average maximum temperatures of 26°C (78°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 50% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.5 hours of sunshine per day. January has total rainfall of 9.5cm (3.7inches) making it often dry with only light showers. There are 19.3 days with some rainfall so you can still enjoy the beach on the clear days. It is not an optimal time for sunbathing but it is possible on clearer days in Kailua. Sea temperatures are a very warm 26°C (78°F). January is an excellent month for swimming in Kailua with very comfortable temperatures for bathing all day.

More about the January temperatures and sunshine.

Is Kailua warm in January?

Yes, Kailua is very warm and perfect for sunbathing on clear days in January.

The average maximum temperature in Kailua in January is 26°C (78°F). The average maximum temperature is 26°C (79°) in the previous month and 25°C (78°F) in the next month.

The average temperature in Kailua in January is 23°C (73°F). The average temperature is 24°C (74°F) in the previous month and 23°C (73°F) in the next month.

More info about the January temperatures and sunshine.

How sunny is Kailua in January?

The average day light hours per day in Kailua in January are 11. The sunshine percentage is 50% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.5 hours of sunshine per day.

More about January sunshine.

Temperature in Kailua in January

The weather in January is marginally cooler than the previous month and temperatures continue to drop slightly into February. The average maximum temperature in Kailua in January is 26°C (78°F). The average maximum temperature is 26°C (79°F) in the previous month and 25°C (78°F) in the next month.

The average temperature in Kailua in January is 23°C (73°F). The average temperature is 24°C (74°F) in the previous month and 23°C (73°F) in the next month.

The average minimum temperature in Kailua in January is 21°C (69°F). The minimum temperature is 22°C (71°F) in the previous month and 21°C (69°F) in the next month.

Sunshine in Kailua in January

The days in January are marginally longer than the previous month and the days continue to get marginally longer into February. January has a slightly more hours of sunshine than the previous month. During January the average day light hours are 11 per day in Kailua. The sunshine percentage is 50% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.5 hours of sunshine per day.

The ultraviolet index in Kailua in January is typically 7 during January. 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 Kailua in January

The average sea water temperature in Kailua in January is 25.5°C (77.9°F) which is warm and pleasant for relaxing and swimming for long periods. The sea temperature in January is slightly warmer than the previous month.

Rainfall in Kailua in January

January weather is marginally drier than the previous month and rainfall continues to drop slightly into February. The average total rainfall in Kailua in January is 9.5cm (3.7inches) and on average there are 19.3 rainy days in January making it a wet time to visit the beach.

Humidity in Kailua in January

The maximum dew point (an indicator of humidity) in Kailua in January is 20°C (68°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 Kailua in January is typically 86.5%. The maximum relative humidity is 87.7% in the previous month and 85.8% in the next month.

The average relative humidity in Kailua in January is typically 74.4%. The average relative humidity is 75.9% in the previous month and 73.4% in the next month.

Wind Speed in Kailua in January

The average maximum wind speed in Kailua in January is typically 23KM/H (14MPH). The average maximum wind speed is 21KM/H (13MPH) in the previous month and 23KM/H (14MPH) in the next month.

The average wind speed in Kailua in January is typically 11KM/H (7MPH). The average wind speed is 11KM/H (7MPH) in the previous month and 12KM/H (7MPH) in the next month.

The average wind direction in Kailua in January is from the East-Northeast.

Monthly Averages

Suggested Beaches in January

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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.