Sea Temperature in Oahu in December

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Complete information on the sea temperature range in the Pacific Ocean in Oahu in December. Historical daily data. Climate details for December. Tips on swimming conditions and beach relaxation in Oahu. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Oahu Climate and Swimming Opportunities in December

Oahu lies within the Hawaii in United States. The average daytime temperature in Oahu in December is 80°F (27°C), while the nighttime average is 67°F (20°C). There are typically 11 rainy days during the month, with a total precipitation of 4.3 inches (108 mm). The daylight duration in December in Oahu is 11 hours, with an average of 6 hours of sunshine per day. The average wind speed in December is 9 mph (15 km/h), and the humidity level is around 73%.

The water temperature in Oahu in December ranges from 75°F to 77°F (24°C to 25°C). At the beginning of the month, the average temperature is around 77°F (25°C), shifting to 77°F (25°C) by mid-December and reaching 77°F (25°C) in the last ten days. Overall, the average sea temperature in Oahu for December is 77°F (25°C). Perfect swimming weather — warm water and hot air make for an enjoyable and relaxing experience.

Frequently Asked Questions About Water Temperatures in December in Oahu