Also consider one of our other suggestions for January.
The average maximum temperature in Oahu Island in January is 26°. The average maximum temperature is 26° in the previous month and 25° in the next month.
The average temperature in Oahu Island in January is 22°. The average temperature ranges is 23° in the previous month and 22° in the next month.
The average minimum temperature in Oahu Island in January is 19°. The minimum temperature is 20° in the previous month and 19° in the next month.
The average day light hours per day in Oahu Island in January are 11 and there are 5.8 hours of sunshine per day on average during January making it a sunny month that is overcast at times.
The ultraviolet index in Oahu Island in January is typically 7.1 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 Oahu Island in January is 25.4° which is warm and pleasant for relaxing and swimming for long periods.
The average total rainfall in Oahu Island in January is 21.6cm and on average there are 15.7 rainy days in January making it a wet time to visit the beach.
The maximum dew point (an indicator of humidity) in Oahu 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 Oahu Island in January is typically 87.8%. The maximum relative humidity is 88.1% in the previous month and 86.7% in the next month.
The average relative humidity in Oahu Island in January is typically 74.8%. The average relative humidity is 75.5% in the previous month and 74.1% in the next month.
The average maximum wind speed in Oahu Island in January is typically 27kmh. The average maximum wind speed is 26kmh in the previous month and 27kmh in the next month.
The average wind speed in Oahu Island in January is typically 14kmh. The average wind speed is 13kmh in the previous month and 14kmh in the next month.
The average wind direction in Oahu Island in January is from the North-Northeast.
