Sea Temperature in Portland in December

Complete information on the sea temperature range in the Gulf of Mexico (Gulf of America) in Portland in December. Historical daily data. Climate details for December. Tips on swimming conditions and beach relaxation in Portland. 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 Portland in December

13°C

MINIMUN

18°C

AVERAGE

23°C

MAXIMUM

Historical Data of Water Temperature in December in Portland

Water Temperature Chart for Gulf of Mexico (Gulf of America) in Portland in December

Sea Temperature Table in Portland in December Over the Past Years

Day	2024	2023	2022	Average
Dec 1	22°C	18°C	17°C	19.3°C
Dec 2	21°C	18°C	18°C	19.3°C
Dec 3	21°C	18°C	17°C	19.3°C
Dec 4	20°C	18°C	18°C	19.3°C
Dec 5	20°C	18°C	19°C	19.8°C
Dec 6	20°C	18°C	19°C	19.3°C
Dec 7	20°C	19°C	19°C	19.8°C
Dec 8	19°C	20°C	20°C	19.8°C
Dec 9	20°C	19°C	20°C	19.5°C
Dec 10	18°C	19°C	20°C	19.8°C
Dec 11	18°C	19°C	20°C	19.0°C
Dec 12	19°C	18°C	20°C	18.8°C
Dec 13	18°C	18°C	21°C	19.0°C
Dec 14	18°C	18°C	21°C	19.5°C
Dec 15	18°C	18°C	20°C	19.0°C
Dec 16	19°C	19°C	20°C	20.0°C
Dec 17	19°C	18°C	20°C	19.8°C
Dec 18	20°C	18°C	20°C	19.8°C
Dec 19	19°C	19°C	20°C	19.0°C
Dec 20	19°C	18°C	19°C	19.3°C
Dec 21	19°C	18°C	18°C	18.8°C
Dec 22	18°C	19°C	18°C	18.8°C
Dec 23	18°C	19°C	18°C	18.8°C
Dec 24	19°C	19°C	17°C	18.8°C
Dec 25	18°C	19°C	16°C	18.3°C
Dec 26	19°C	19°C	15°C	18.3°C
Dec 27	19°C	19°C	15°C	18.5°C
Dec 28	19°C	18°C	15°C	18.3°C
Dec 29	18°C	17°C	15°C	18.0°C
Dec 30	18°C	17°C	15°C	18.0°C

Portland Climate and Swimming Opportunities in December

19°C

Average Day Air Temperature

10°C

Average Night Air Temperature

47 mm

Precipitation Amount per Month

7 days

Number of Rainy Days

10 hrs

Daylight
per Day

4 hrs

Sunshine
per Day

20 km/h

Average Wind Speed

77%

Average
humidity

Portland lies within the Texas in United States. The average daytime temperature in Portland in December is 67°F (19°C), while the nighttime average is 50°F (10°C). There are typically seven rainy days during the month, with a total precipitation of 1.8 inches (47 mm). The daylight duration in December in Portland is 10 hours, with an average of 4 hours of sunshine per day. The average wind speed in December is 12 mph (20 km/h), and the humidity level is around 77%.

The water temperature in Portland in December ranges from 64°F to 68°F (18°C to 20°C). At the beginning of the month, the average temperature is around 66°F (19°C), shifting to 66°F (19°C) by mid-December and reaching 66°F (19°C) in the last ten days. Overall, the average sea temperature in Portland for December is 66°F (19°C). Ideal conditions for a refreshing swim, though some may still find it a bit cool.

Sea Temperature in December in Nearby Cities

Frequently Asked Questions About Water Temperatures in December in Portland

What is the sea temperature in Portland in December?

The water temperature in the Gulf of Mexico (Gulf of America) in Portland in December ranges from 64°F to 68°F (18°C to 20°C).

Is it possible to swim in the Gulf of Mexico (Gulf of America) in Portland in December?

The average sea temperature in Portland in December is 66°F (19°C), and the air temperature is 67°F (19°C), so ideal conditions for a refreshing swim, though some may still find it a bit cool.