Weather in Kauai Island, United States in January

Search

Best
Best
Best
Best
Tan
Tan
Tan
Tan
Tan
Tan
Tan
Tan
Tan
Tan
Tan
Tan
Sea
25°
Swim
Sea
24°
Swim
Sea
24°
Swim
Sea
25°
Swim
Sea
26°
Swim
Sea
27°
Swim
Sea
27°
Swim
Sea
27°
Swim
Sea
28°
Swim
Sea
28°
Swim
Sea
26°
Swim
Sea
25°
Swim

Visiting Kauai Island, 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 53.7% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 5.9 hours of sunshine per day. It is not an optimal time for sunbathing but it is possible on clearer days in Kauai Island.

January has total rainfall of 11.6cm (4.6inches) making it a bit rainy but with only moderate tropical showers. There are 16.4 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). January is an excellent month for swimming in Kauai Island with very comfortable temperatures for bathing all day. The sea temperature in January is slightly warmer than the previous month.

Consider visiting Kauai Island in the months of April, May, August, September, for the best beach weather. Also consider one of our other suggestions for January.

Can you sunbathe in Kauai Island in January?

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

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 53.7% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 5.9 hours of sunshine per day. January has total rainfall of 11.6cm (4.6inches) making it a bit rainy but with only moderate tropical showers. There are 16.4 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 Kauai Island in January?

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

More about January sea temperatures.

Is January a good time to holiday in Kauai Island?

Yes, January is a good time for a holiday in Kauai Island.

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 53.7% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 5.9 hours of sunshine per day. January has total rainfall of 11.6cm (4.6inches) making it a bit rainy but with only moderate tropical showers. There are 16.4 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 Kauai Island. Sea temperatures are a very warm 25°C (78°F). January is an excellent month for swimming in Kauai Island with very comfortable temperatures for bathing all day.

More about the January temperatures and sunshine.

Is Kauai Island warm in January?

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

The average maximum temperature in Kauai Island 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 Kauai Island in January is 22°C (72°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 January temperatures and sunshine.

How sunny is Kauai Island in January?

The average day light hours per day in Kauai Island in January are 10.9. The sunshine percentage is 53.7% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 5.9 hours of sunshine per day.

More about January sunshine.

Temperature in Kauai Island 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 Kauai Island 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 Kauai Island in January is 22°C (72°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 Kauai Island in January is 19°C (67°F). The minimum temperature is 20°C (68°F) in the previous month and 19°C (67°F) in the next month.

Sunshine in Kauai Island 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 slightly more hours of sunshine than the previous month and hours of sunshine continue to rise into February. During January the average day light hours are 10.9 per day in Kauai Island. The sunshine percentage is 53.7% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 5.9 hours of sunshine per day.

The ultraviolet index in Kauai Island in January is typically 6.9 during January. 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 Kauai Island in January

The average sea water temperature in Kauai Island in January is 25.3°C (77.5°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 Kauai Island in January

January weather is slightly drier than the previous month. January has fewer days of rain than the previous month. The average total rainfall in Kauai Island in January is 11.6cm (4.6inches) and on average there are 16.4 rainy days in January making it a wet time to visit the beach.

Humidity in Kauai Island in January

The maximum dew point (an indicator of humidity) in Kauai Island in January is 19°C (66°F) which is somewhat uncomfortable for most people in cities but fine on a beach. The dew point is 20°C (68°F) in the previous month and 19°C (19°F) in the next month.

The average maximum relative humidity in Kauai Island in January is typically 86.1%. The maximum relative humidity is 86.6% in the previous month and 84.9% in the next month.

The average relative humidity in Kauai Island in January is typically 73.8%. The average relative humidity is 74.8% in the previous month and 73.7% in the next month.

Wind Speed in Kauai Island in January

The average maximum wind speed in Kauai Island in January is typically 30KM/H (18MPH). The average maximum wind speed is 29KM/H (18MPH) in the previous month and 30KM/H (18MPH) in the next month.

The average wind speed in Kauai Island in January is typically 16KM/H (10MPH). The average wind speed is 16KM/H (10MPH) in the previous month and 17KM/H (11MPH) in the next month.

The average wind direction in Kauai Island in January is from the North.

Monthly Averages

Suggested Beaches in January

Need Inspiration?

Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.

Booking.com Search FlightsImage

Need Inspiration?

Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.