Sea Temperature in Oahu in December

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.

Water Temperature Range in Oahu in December

73°F

MINIMUN

77°F

AVERAGE

81°F

MAXIMUM

Historical Data of Water Temperature in December in Oahu

Water Temperature Chart for Pacific Ocean in Oahu in December

Sea Temperature Table in Oahu in December Over the Past Years

Day	2024	2023	2022	Average
Dec 1	79°C	77°C	77°C	78°C
Dec 2	77°C	77°C	79°C	78°C
Dec 3	77°C	77°C	77°C	77°C
Dec 4	77°C	77°C	77°C	77°C
Dec 5	77°C	77°C	77°C	77°C
Dec 6	79°C	77°C	77°C	78°C
Dec 7	77°C	75°C	75°C	76°C
Dec 8	77°C	77°C	79°C	77°C
Dec 9	79°C	77°C	75°C	77°C
Dec 10	77°C	77°C	77°C	77°C
Dec 11	77°C	77°C	77°C	77°C
Dec 12	77°C	77°C	77°C	77°C
Dec 13	75°C	77°C	77°C	77°C
Dec 14	75°C	77°C	77°C	77°C
Dec 15	77°C	79°C	75°C	77°C
Dec 16	77°C	77°C	77°C	77°C
Dec 17	77°C	77°C	77°C	77°C
Dec 18	77°C	77°C	79°C	78°C
Dec 19	77°C	77°C	79°C	78°C
Dec 20	75°C	77°C	77°C	77°C
Dec 21	77°C	77°C	77°C	77°C
Dec 22	75°C	75°C	79°C	77°C
Dec 23	77°C	77°C	77°C	77°C
Dec 24	77°C	75°C	77°C	77°C
Dec 25	77°C	75°C	75°C	76°C
Dec 26	77°C	77°C	77°C	77°C
Dec 27	77°C	77°C	77°C	77°C
Dec 28	77°C	77°C	77°C	77°C
Dec 29	77°C	77°C	77°C	77°C
Dec 30	77°C	77°C	75°C	77°C

Oahu Climate and Swimming Opportunities in December

81°F

Average Day Air Temperature

68°F

Average Night Air Temperature

4 in

Precipitation Amount per Month

11 days

Number of Rainy Days

11 hrs

Daylight
per Day

6 hrs

Sunshine
per Day

9 mph

Average Wind Speed

73%

Average
humidity

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.

Sea Temperature in December in Nearby Cities

Frequently Asked Questions About Water Temperatures in December in Oahu

What is the sea temperature in Oahu in December?

The water temperature in the Pacific Ocean in Oahu in December ranges from 75°F to 77°F (24°C to 25°C).

Is it possible to swim in the Pacific Ocean in Oahu in December?

The average sea temperature in Oahu in December is 77°F (25°C), and the air temperature is 80°F (27°C), so perfect swimming weather — warm water and hot air make for an enjoyable and relaxing experience.