Sea Temperature in Westport in December

Complete information on the sea temperature range in the Tasman Sea in Westport in December. Historical daily data. Climate details for December. Tips on swimming conditions and beach relaxation in Westport. 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 Westport in December

14°C

MINIMUN

17°C

AVERAGE

20°C

MAXIMUM

Historical Data of Water Temperature in December in Westport

Water Temperature Chart for Tasman Sea in Westport in December

Sea Temperature Table in Westport in December Over the Past Years

Day	2024	2023	2022	Average
Dec 1	15°C	15°C	17°C	16.3°C
Dec 2	15°C	15°C	16°C	16.3°C
Dec 3	15°C	14°C	17°C	16.0°C
Dec 4	15°C	14°C	16°C	16.0°C
Dec 5	16°C	15°C	16°C	16.3°C
Dec 6	16°C	15°C	17°C	16.5°C
Dec 7	16°C	15°C	16°C	16.3°C
Dec 8	16°C	16°C	15°C	15.8°C
Dec 9	16°C	16°C	15°C	15.8°C
Dec 10	16°C	16°C	17°C	16.8°C
Dec 11	16°C	15°C	16°C	16.5°C
Dec 12	16°C	16°C	17°C	17.0°C
Dec 13	16°C	15°C	16°C	16.3°C
Dec 14	16°C	15°C	17°C	16.5°C
Dec 15	17°C	14°C	17°C	16.8°C
Dec 16	17°C	15°C	17°C	16.8°C
Dec 17	17°C	15°C	17°C	16.8°C
Dec 18	17°C	15°C	17°C	16.8°C
Dec 19	17°C	14°C	18°C	16.8°C
Dec 20	17°C	15°C	18°C	17.0°C
Dec 21	17°C	15°C	18°C	17.0°C
Dec 22	17°C	15°C	18°C	17.0°C
Dec 23	17°C	15°C	19°C	17.3°C
Dec 24	18°C	16°C	19°C	17.8°C
Dec 25	18°C	16°C	18°C	17.5°C
Dec 26	16°C	16°C	18°C	17.0°C
Dec 27	16°C	16°C	20°C	17.5°C
Dec 28	18°C	16°C	20°C	18.0°C
Dec 29	18°C	16°C	19°C	17.8°C
Dec 30	18°C	17°C	19°C	17.8°C

Westport Climate and Swimming Opportunities in December

20°C

Average Day Air Temperature

12°C

Average Night Air Temperature

103 mm

Precipitation Amount per Month

12 days

Number of Rainy Days

15 hrs

Daylight
per Day

8 hrs

Sunshine
per Day

19 km/h

Average Wind Speed

74%

Average
humidity

Westport lies within the West Coast Region in New Zealand. The average daytime temperature in Westport in December is 20°C (68°F), while the nighttime average is 12°C (53°F). There are typically 12 rainy days during the month, with a total precipitation of 103 mm (4.0 inches). The daylight duration in December in Westport is 15 hours, with an average of 8 hours of sunshine per day. The average wind speed in December is 19 km/h (12 mph), and the humidity level is around 74%.

The water temperature in Westport in December ranges from 15°C to 18°C (59°F to 64°F). At the beginning of the month, the average temperature is around 16°C (61°F), shifting to 17°C (63°F) by mid-December and reaching 17°C (63°F) in the last ten days. Overall, the average sea temperature in Westport for December is 17°C (63°F). Very comfortable swimming conditions. The water is fresh but not too cold, and the air temperature is pleasant.

Frequently Asked Questions About Water Temperatures in December in Westport

What is the sea temperature in Westport in December?

The water temperature in the Tasman Sea in Westport in December ranges from 15°C to 18°C (59°F to 64°F).

Is it possible to swim in the Tasman Sea in Westport in December?

The average sea temperature in Westport in December is 17°C (63°F), and the air temperature is 20°C (68°F), so very comfortable swimming conditions. The water is fresh but not too cold, and the air temperature is pleasant.