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Sea Temperature in Tomakomai in December
Complete information on the sea temperature range in the Sea of Japan in Tomakomai in December. Historical daily data. Climate details for December. Tips on swimming conditions and beach relaxation in Tomakomai. 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 Tomakomai in December
3°C
MINIMUN
7.5°C
AVERAGE
12°C
MAXIMUM
Historical Data of Water Temperature in December in Tomakomai
Water Temperature Chart for Sea of Japan in Tomakomai in December
Sea Temperature Table in Tomakomai in December Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| Dec 1 | 11°C | 11°C | 12°C | 11.3°C |
| Dec 2 | 11°C | 11°C | 11°C | 11.0°C |
| Dec 3 | 12°C | 11°C | 11°C | 11.3°C |
| Dec 4 | 12°C | 11°C | 11°C | 11.3°C |
| Dec 5 | 11°C | 11°C | 11°C | 10.8°C |
| Dec 6 | 11°C | 10°C | 11°C | 10.8°C |
| Dec 7 | 11°C | 10°C | 11°C | 10.8°C |
| Dec 8 | 11°C | 11°C | 10°C | 10.8°C |
| Dec 9 | 11°C | 11°C | 9°C | 10.3°C |
| Dec 10 | 11°C | 10°C | 10°C | 10.5°C |
| Dec 11 | 11°C | 9°C | 10°C | 10.3°C |
| Dec 12 | 11°C | 9°C | 10°C | 10.3°C |
| Dec 13 | 10°C | 9°C | 10°C | 9.8°C |
| Dec 14 | 10°C | 9°C | 10°C | 9.8°C |
| Dec 15 | 10°C | 9°C | 10°C | 9.8°C |
| Dec 16 | 10°C | 9°C | 9°C | 9.3°C |
| Dec 17 | 10°C | 9°C | 9°C | 9.5°C |
| Dec 18 | 10°C | 9°C | 9°C | 9.5°C |
| Dec 19 | 10°C | 8°C | 9°C | 9.3°C |
| Dec 20 | 10°C | 8°C | 9°C | 9.3°C |
| Dec 21 | 10°C | 8°C | 9°C | 9.0°C |
| Dec 22 | 9°C | 8°C | 9°C | 8.8°C |
| Dec 23 | 9°C | 8°C | 9°C | 8.8°C |
| Dec 24 | 9°C | 8°C | 9°C | 8.8°C |
| Dec 25 | 9°C | 8°C | 8°C | 8.3°C |
| Dec 26 | 9°C | 8°C | 9°C | 8.5°C |
| Dec 27 | 9°C | 7°C | 9°C | 8.3°C |
| Dec 28 | 9°C | 8°C | 8°C | 8.3°C |
| Dec 29 | 9°C | 7°C | 8°C | 8.0°C |
| Dec 30 | 8°C | 7°C | 8°C | 7.8°C |
Tomakomai Climate and Swimming Opportunities in December
2°C
Average Day Air Temperature
-4°C
Average Night Air Temperature
119 mm
Precipitation Amount per Month
23 days
Number of Rainy Days
9 hrs
Daylight
per Day
2 hrs
Sunshine
per Day
13 km/h
Average Wind Speed
73%
Average
humidity
Tomakomai lies within the Hokkaido in Japan. The average daytime temperature in Tomakomai in December is 2°C (35°F), while the nighttime average is -4°C (24°F). There are typically 23 rainy days during the month, with a total precipitation of 119 mm (4.7 inches). The daylight duration in December in Tomakomai is 9 hours, with an average of 2 hours of sunshine per day. The average wind speed in December is 13 km/h (8 mph), and the humidity level is around 73%.
The water temperature in Tomakomai in December ranges from 7°C to 11°C (45°F to 52°F). At the beginning of the month, the average temperature is around 11°C (52°F), shifting to 10°C (50°F) by mid-December and reaching 9°C (48°F) in the last ten days. Overall, the average sea temperature in Tomakomai for December is 10°C (50°F). Very cold water with low air temperature creates extreme swimming conditions. Hypothermia can occur quickly, making it unsafe for most people.
Sea Temperature in December in Nearby Cities
Frequently Asked Questions About Water Temperatures in December in Tomakomai
What is the sea temperature in Tomakomai in December?
The water temperature in the Sea of Japan in Tomakomai in December ranges from 7°C to 11°C (45°F to 52°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.