January is a hot and rainy time for sunbathing in Hawaii Island. January is an excellent month for swimming in Hawaii Island with very warm sea temperatures. Consider visiting Hawaii Island in the months of June, July, August, September, for the best beach weather. Also consider one of our other suggestions for January.
The average maximum temperature in Hawaii Island in January is 27°. The average maximum temperature is 27° in the previous month and 27° in the next month.
The average temperature in Hawaii Island in January is 23°. The average temperature ranges is 24° in the previous month and 23° in the next month.
The average minimum temperature in Hawaii Island in January is 19°. The minimum temperature is 20° in the previous month and 20° in the next month.
The average day light hours per day in Hawaii Island in January are 11.1 and there are 6.2 hours of sunshine per day on average during January making it a quite sunny month with some cloud cover.
The ultraviolet index in Hawaii Island in January is typically 7.7 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.
The average sea water temperature in Hawaii Island in January is 25.2° which is warm and pleasant for relaxing and swimming for long periods.
The average total rainfall in Hawaii Island in January is 81.2cm and on average there are 11.2 rainy days in January making it a wet time to visit the beach.
The maximum dew point (an indicator of humidity) in Hawaii Island in January is 19° which is somewhat uncomfortable for most people in cities but fine on a beach. The dew point is 20° in the previous month and 19° in the next month.
The average maximum relative humidity in Hawaii Island in January is typically 81.7%. The maximum relative humidity is 81.8% in the previous month and 81% in the next month.
The average relative humidity in Hawaii Island in January is typically 68.7%. The average relative humidity is 69.4% in the previous month and 68.4% in the next month.
The average maximum wind speed in Hawaii Island in January is typically 24kmh. The average maximum wind speed is 23kmh in the previous month and 24kmh in the next month.
The average wind speed in Hawaii Island in January is typically 11kmh. The average wind speed is 10kmh in the previous month and 11kmh in the next month.
The average wind direction in Hawaii Island in January is from the South-Southeast.
