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Sea Temperature in Dee Why in December
Complete information on the sea temperature range in the Tasman Sea in Dee Why in December. Historical daily data. Climate details for December. Tips on swimming conditions and beach relaxation in Dee Why. 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 Dee Why in December
66°F
MINIMUN
72°F
AVERAGE
77°F
MAXIMUM
Historical Data of Water Temperature in December in Dee Why
Water Temperature Chart for Tasman Sea in Dee Why in December
Sea Temperature Table in Dee Why in December Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| Dec 1 | 70°C | 70°C | 68°C | 69°C |
| Dec 2 | 68°C | 68°C | 68°C | 69°C |
| Dec 3 | 68°C | 72°C | 68°C | 70°C |
| Dec 4 | 70°C | 70°C | 68°C | 70°C |
| Dec 5 | 68°C | 68°C | 66°C | 68°C |
| Dec 6 | 70°C | 70°C | 68°C | 69°C |
| Dec 7 | 68°C | 70°C | 68°C | 69°C |
| Dec 8 | 68°C | 68°C | 70°C | 69°C |
| Dec 9 | 68°C | 68°C | 70°C | 69°C |
| Dec 10 | 68°C | 70°C | 68°C | 69°C |
| Dec 11 | 70°C | 70°C | 66°C | 69°C |
| Dec 12 | 68°C | 72°C | 68°C | 70°C |
| Dec 13 | 70°C | 73°C | 68°C | 71°C |
| Dec 14 | 68°C | 73°C | 70°C | 71°C |
| Dec 15 | 70°C | 70°C | 70°C | 70°C |
| Dec 16 | 72°C | 72°C | 70°C | 71°C |
| Dec 17 | 72°C | 70°C | 68°C | 70°C |
| Dec 18 | 72°C | 72°C | 68°C | 71°C |
| Dec 19 | 72°C | 72°C | 68°C | 72°C |
| Dec 20 | 70°C | 72°C | 68°C | 71°C |
| Dec 21 | 68°C | 72°C | 68°C | 70°C |
| Dec 22 | 68°C | 72°C | 68°C | 71°C |
| Dec 23 | 70°C | 70°C | 68°C | 70°C |
| Dec 24 | 70°C | 72°C | 68°C | 71°C |
| Dec 25 | 70°C | 72°C | 68°C | 71°C |
| Dec 26 | 70°C | 72°C | 68°C | 71°C |
| Dec 27 | 70°C | 70°C | 70°C | 71°C |
| Dec 28 | 70°C | 72°C | 70°C | 72°C |
| Dec 29 | 70°C | 72°C | 68°C | 71°C |
| Dec 30 | 70°C | 72°C | 70°C | 72°C |
Dee Why Climate and Swimming Opportunities in December
79°F
Average Day Air Temperature
64°F
Average Night Air Temperature
3 in
Precipitation Amount per Month
11 days
Number of Rainy Days
14 hrs
Daylight
per Day
8 hrs
Sunshine
per Day
12 mph
Average Wind Speed
61%
Average
humidity
Dee Why lies within the New South Wales in Australia. The average daytime temperature in Dee Why in December is 26°C (79°F), while the nighttime average is 18°C (64°F). There are typically 11 rainy days during the month, with a total precipitation of 79 mm (3.1 inches). The daylight duration in December in Dee Why is 14 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 61%.
The water temperature in Dee Why in December ranges from 20°C to 22°C (68°F to 72°F). At the beginning of the month, the average temperature is around 21°C (70°F), shifting to 21°C (70°F) by mid-December and reaching 22°C (72°F) in the last ten days. Overall, the average sea temperature in Dee Why for December is 21°C (70°F). 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 Dee Why
What is the sea temperature in Dee Why in December?
The water temperature in the Tasman Sea in Dee Why in December ranges from 20°C to 22°C (68°F to 72°F).
Is it possible to swim in the Tasman Sea in Dee Why in December?
The average sea temperature in Dee Why in December is 21°C (70°F), and the air temperature is 26°C (79°F), so perfect swimming weather — warm water and hot air make for an enjoyable and relaxing experience.