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Sea Temperature in Oarai in December
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© 熱血番長
Complete information on the sea temperature range in the Pacific Ocean in Oarai in December. Historical daily data. Climate details for December. Tips on swimming conditions and beach relaxation in Oarai. 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 Oarai in December
9°C
MINIMUN
14.5°C
AVERAGE
20°C
MAXIMUM
Historical Data of Water Temperature in December in Oarai
Water Temperature Chart for Pacific Ocean in Oarai in December
Sea Temperature Table in Oarai in December Over the Past Years
Day | 2024 | 2023 | 2022 | Average |
---|---|---|---|---|
Dec 1 | 20°C | 17°C | 19°C | 18.3°C |
Dec 2 | 19°C | 18°C | 19°C | 18.3°C |
Dec 3 | 19°C | 18°C | 19°C | 18.3°C |
Dec 4 | 19°C | 18°C | 19°C | 18.3°C |
Dec 5 | 19°C | 17°C | 19°C | 18.3°C |
Dec 6 | 19°C | 18°C | 19°C | 18.5°C |
Dec 7 | 19°C | 18°C | 19°C | 18.3°C |
Dec 8 | 18°C | 19°C | 18°C | 18.5°C |
Dec 9 | 19°C | 18°C | 17°C | 18.3°C |
Dec 10 | 18°C | 18°C | 18°C | 17.8°C |
Dec 11 | 18°C | 18°C | 18°C | 17.5°C |
Dec 12 | 18°C | 18°C | 18°C | 17.5°C |
Dec 13 | 18°C | 18°C | 18°C | 17.5°C |
Dec 14 | 18°C | 18°C | 18°C | 17.8°C |
Dec 15 | 18°C | 19°C | 18°C | 17.8°C |
Dec 16 | 17°C | 18°C | 18°C | 17.0°C |
Dec 17 | 17°C | 18°C | 18°C | 17.0°C |
Dec 18 | 17°C | 18°C | 18°C | 17.3°C |
Dec 19 | 17°C | 18°C | 17°C | 17.0°C |
Dec 20 | 17°C | 17°C | 17°C | 16.8°C |
Dec 21 | 17°C | 18°C | 17°C | 16.8°C |
Dec 22 | 16°C | 17°C | 17°C | 16.3°C |
Dec 23 | 16°C | 17°C | 17°C | 16.3°C |
Dec 24 | 17°C | 17°C | 17°C | 16.5°C |
Dec 25 | 16°C | 17°C | 16°C | 16.3°C |
Dec 26 | 16°C | 17°C | 16°C | 16.3°C |
Dec 27 | 17°C | 17°C | 16°C | 16.5°C |
Dec 28 | 17°C | 17°C | 16°C | 16.5°C |
Dec 29 | 17°C | 17°C | 16°C | 16.5°C |
Dec 30 | 17°C | 17°C | 16°C | 16.3°C |



Oarai Climate and Swimming Opportunities in December
12°C
Average Day Air Temperature
4°C
Average Night Air Temperature
47 mm
Precipitation Amount per Month
10 days
Number of Rainy Days
10 hrs
Daylight
per Day
5 hrs
Sunshine
per Day
14 km/h
Average Wind Speed
59%
Average
humidity
Oarai lies within the Ibaraki Prefecture in Japan. The average daytime temperature in Oarai in December is 12°C (53°F), while the nighttime average is 4°C (40°F). There are typically 10 rainy days during the month, with a total precipitation of 47 mm (1.9 inches). The daylight duration in December in Oarai is 10 hours, with an average of 5 hours of sunshine per day. The average wind speed in December is 14 km/h (9 mph), and the humidity level is around 59%.
The water temperature in Oarai in December ranges from 16°C to 18°C (61°F to 64°F). At the beginning of the month, the average temperature is around 18°C (64°F), shifting to 18°C (64°F) by mid-December and reaching 17°C (63°F) in the last ten days. Overall, the average sea temperature in Oarai for December is 17°C (63°F).
Frequently Asked Questions About Water Temperatures in December in Oarai
What is the sea temperature in Oarai in December?
The water temperature in the Pacific Ocean in Oarai in December ranges from 16°C to 18°C (61°F to 64°F).
Is it possible to swim in the Sea of Japan in Tomakomai in December?
The average sea temperature in Tomakomai in December is 10°C (50°F), and the air temperature is 2°C (35°F), so very cold water with low air temperature creates extreme swimming conditions. Hypothermia can occur quickly, making it unsafe for most people.