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Sea Temperature in Portland in January
Complete information on the sea temperature range in the Tasman Sea in Portland in January. Historical daily data. Climate details for January. 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 January
15°C
MINIMUN
17.5°C
AVERAGE
20°C
MAXIMUM
Historical Data of Water Temperature in January in Portland
Water Temperature Chart for Tasman Sea in Portland in January
Sea Temperature Table in Portland in January Over the Past Years
Day | 2024 | 2023 | 2022 | Average |
---|---|---|---|---|
Jan 1 | 16°C | 18°C | 15°C | 16.8°C |
Jan 2 | 16°C | 18°C | 17°C | 17.3°C |
Jan 3 | 17°C | 18°C | 19°C | 17.8°C |
Jan 4 | 17°C | 18°C | 19°C | 17.8°C |
Jan 5 | 17°C | 19°C | 15°C | 17.3°C |
Jan 6 | 17°C | 19°C | 19°C | 18.3°C |
Jan 7 | 18°C | 19°C | 16°C | 17.5°C |
Jan 8 | 17°C | 19°C | 15°C | 17.0°C |
Jan 9 | 17°C | 19°C | 18°C | 17.5°C |
Jan 10 | 17°C | 19°C | 16°C | 17.5°C |
Jan 11 | 17°C | 19°C | 16°C | 17.3°C |
Jan 12 | 19°C | 17°C | 17°C | 17.5°C |
Jan 13 | 18°C | 19°C | 17°C | 18.0°C |
Jan 14 | 17°C | 19°C | 16°C | 17.5°C |
Jan 15 | 17°C | 19°C | 16°C | 17.5°C |
Jan 16 | 18°C | 19°C | 15°C | 17.3°C |
Jan 17 | 18°C | 19°C | 17°C | 17.8°C |
Jan 18 | 18°C | 19°C | 17°C | 17.8°C |
Jan 19 | 17°C | 19°C | 16°C | 17.5°C |
Jan 20 | 18°C | 18°C | 18°C | 18.0°C |
Jan 21 | 18°C | 18°C | 19°C | 18.5°C |
Jan 22 | 18°C | 18°C | 16°C | 18.0°C |
Jan 23 | 18°C | 18°C | 15°C | 17.5°C |
Jan 24 | 18°C | 19°C | 16°C | 17.8°C |
Jan 25 | 18°C | 19°C | 19°C | 18.5°C |
Jan 26 | 17°C | 19°C | 17°C | 17.8°C |
Jan 27 | 18°C | 15°C | 16°C | 17.0°C |
Jan 28 | 18°C | 19°C | 17°C | 18.3°C |
Jan 29 | 17°C | 19°C | 17°C | 18.0°C |
Jan 30 | 18°C | 19°C | 16°C | 18.0°C |



Portland Climate and Swimming Opportunities in January
24°C
Average Day Air Temperature
13°C
Average Night Air Temperature
46 mm
Precipitation Amount per Month
7 days
Number of Rainy Days
14 hrs
Daylight
per Day
9 hrs
Sunshine
per Day
22 km/h
Average Wind Speed
54%
Average
humidity
Portland lies within the Victoria in Australia. The average daytime temperature in Portland in January is 24°C (76°F), while the nighttime average is 13°C (56°F). There are typically seven rainy days during the month, with a total precipitation of 46 mm (1.8 inches). The daylight duration in January in Portland is 14 hours, with an average of 9 hours of sunshine per day. The average wind speed in January is 22 km/h (14 mph), and the humidity level is around 54%.
The water temperature in Portland in January ranges from 16°C to 18°C (61°F to 64°F). At the beginning of the month, the average temperature is around 17°C (63°F), shifting to 18°C (64°F) by mid-January and reaching 18°C (64°F) in the last ten days. Overall, the average sea temperature in Portland for January is 18°C (64°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 January in Portland
What is the sea temperature in Portland in January?
The water temperature in the Tasman Sea in Portland in January ranges from 16°C to 18°C (61°F to 64°F).
Is it possible to swim in the Tasman Sea in Portland in January?
The average sea temperature in Portland in January is 18°C (64°F), and the air temperature is 24°C (76°F), so very comfortable swimming conditions. The water is fresh but not too cold, and the air temperature is pleasant.