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Sea Temperature in St Helens in December
Complete information on the sea temperature range in the Tasman Sea in St Helens in December. Historical daily data. Climate details for December. Tips on swimming conditions and beach relaxation in St Helens. 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 St Helens in December
14°C
MINIMUN
16.5°C
AVERAGE
19°C
MAXIMUM
Historical Data of Water Temperature in December in St Helens
Water Temperature Chart for Tasman Sea in St Helens in December
Sea Temperature Table in St Helens in December Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| Dec 1 | 16°C | 16°C | 15°C | 15.8°C |
| Dec 2 | 16°C | 16°C | 15°C | 15.8°C |
| Dec 3 | 16°C | 16°C | 15°C | 15.8°C |
| Dec 4 | 16°C | 16°C | 15°C | 15.8°C |
| Dec 5 | 16°C | 17°C | 15°C | 16.0°C |
| Dec 6 | 17°C | 17°C | 15°C | 16.3°C |
| Dec 7 | 16°C | 16°C | 15°C | 15.8°C |
| Dec 8 | 17°C | 16°C | 17°C | 16.3°C |
| Dec 9 | 17°C | 17°C | 17°C | 16.5°C |
| Dec 10 | 16°C | 17°C | 15°C | 16.0°C |
| Dec 11 | 16°C | 16°C | 15°C | 15.8°C |
| Dec 12 | 16°C | 17°C | 16°C | 16.3°C |
| Dec 13 | 16°C | 17°C | 15°C | 16.0°C |
| Dec 14 | 16°C | 17°C | 16°C | 16.3°C |
| Dec 15 | 16°C | 17°C | 16°C | 16.3°C |
| Dec 16 | 16°C | 18°C | 16°C | 16.5°C |
| Dec 17 | 16°C | 17°C | 16°C | 16.5°C |
| Dec 18 | 15°C | 17°C | 16°C | 16.3°C |
| Dec 19 | 15°C | 18°C | 15°C | 16.3°C |
| Dec 20 | 15°C | 18°C | 15°C | 16.0°C |
| Dec 21 | 16°C | 18°C | 15°C | 16.3°C |
| Dec 22 | 16°C | 18°C | 16°C | 16.5°C |
| Dec 23 | 16°C | 18°C | 16°C | 16.5°C |
| Dec 24 | 16°C | 17°C | 16°C | 16.3°C |
| Dec 25 | 16°C | 17°C | 16°C | 16.3°C |
| Dec 26 | 16°C | 17°C | 17°C | 16.5°C |
| Dec 27 | 16°C | 17°C | 16°C | 16.5°C |
| Dec 28 | 16°C | 18°C | 17°C | 17.0°C |
| Dec 29 | 16°C | 18°C | 16°C | 16.8°C |
| Dec 30 | 16°C | 18°C | 17°C | 17.0°C |
St Helens Climate and Swimming Opportunities in December
21°C
Average Day Air Temperature
10°C
Average Night Air Temperature
53 mm
Precipitation Amount per Month
10 days
Number of Rainy Days
15 hrs
Daylight
per Day
8 hrs
Sunshine
per Day
17 km/h
Average Wind Speed
61%
Average
humidity
St Helens lies within the Tasmania in Australia. The average daytime temperature in St Helens in December is 21°C (70°F), while the nighttime average is 10°C (50°F). There are typically 10 rainy days during the month, with a total precipitation of 53 mm (2.1 inches). The daylight duration in December in St Helens is 15 hours, with an average of 8 hours of sunshine per day. The average wind speed in December is 17 km/h (11 mph), and the humidity level is around 61%.
The water temperature in St Helens in December ranges from 15°C to 17°C (59°F to 63°F). At the beginning of the month, the average temperature is around 16°C (61°F), shifting to 16°C (61°F) by mid-December and reaching 17°C (63°F) in the last ten days. Overall, the average sea temperature in St Helens for December is 16°C (61°F). Very comfortable swimming conditions. The water is fresh but not too cold, and the air temperature is pleasant.
Sea Temperature in December in Nearby Cities
Frequently Asked Questions About Water Temperatures in December in St Helens
What is the sea temperature in St Helens in December?
The water temperature in the Tasman Sea in St Helens in December ranges from 15°C to 17°C (59°F to 63°F).
Is it possible to swim in the Tasman Sea in St Helens in December?
The average sea temperature in St Helens in December is 16°C (61°F), and the air temperature is 21°C (70°F), so very comfortable swimming conditions. The water is fresh but not too cold, and the air temperature is pleasant.