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Sea Temperature in Birch Bay in December
Complete information on the sea temperature range in the Salish Sea in Birch Bay in December. Historical daily data. Climate details for December. Tips on swimming conditions and beach relaxation in Birch Bay. 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 Birch Bay in December
6°C
MINIMUN
8°C
AVERAGE
10°C
MAXIMUM
Historical Data of Water Temperature in December in Birch Bay
Water Temperature Chart for Salish Sea in Birch Bay in December
Sea Temperature Table in Birch Bay in December Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| Dec 1 | 9°C | 9°C | 8°C | 8.8°C |
| Dec 2 | 9°C | 9°C | 8°C | 8.8°C |
| Dec 3 | 9°C | 9°C | 8°C | 8.8°C |
| Dec 4 | 9°C | 9°C | 8°C | 8.8°C |
| Dec 5 | 8°C | 9°C | 8°C | 8.5°C |
| Dec 6 | 8°C | 9°C | 8°C | 8.3°C |
| Dec 7 | 8°C | 9°C | 8°C | 8.3°C |
| Dec 8 | 8°C | 8°C | 9°C | 8.3°C |
| Dec 9 | 9°C | 8°C | 9°C | 8.5°C |
| Dec 10 | 9°C | 9°C | 8°C | 8.8°C |
| Dec 11 | 8°C | 9°C | 8°C | 8.3°C |
| Dec 12 | 9°C | 9°C | 8°C | 8.5°C |
| Dec 13 | 9°C | 9°C | 8°C | 8.5°C |
| Dec 14 | 9°C | 9°C | 8°C | 8.5°C |
| Dec 15 | 9°C | 9°C | 8°C | 8.8°C |
| Dec 16 | 9°C | 9°C | 8°C | 8.5°C |
| Dec 17 | 9°C | 9°C | 8°C | 8.5°C |
| Dec 18 | 9°C | 9°C | 8°C | 8.5°C |
| Dec 19 | 9°C | 8°C | 8°C | 8.3°C |
| Dec 20 | 8°C | 8°C | 8°C | 8.0°C |
| Dec 21 | 8°C | 8°C | 7°C | 7.8°C |
| Dec 22 | 8°C | 9°C | 7°C | 8.0°C |
| Dec 23 | 9°C | 9°C | 7°C | 8.3°C |
| Dec 24 | 9°C | 9°C | 7°C | 8.3°C |
| Dec 25 | 9°C | 9°C | 7°C | 8.3°C |
| Dec 26 | 9°C | 9°C | 7°C | 8.3°C |
| Dec 27 | 9°C | 9°C | 7°C | 8.3°C |
| Dec 28 | 9°C | 8°C | 8°C | 8.3°C |
| Dec 29 | 9°C | 8°C | 8°C | 8.3°C |
| Dec 30 | 9°C | 9°C | 8°C | 8.3°C |
Birch Bay Climate and Swimming Opportunities in December
3°C
Average Day Air Temperature
2°C
Average Night Air Temperature
197 mm
Precipitation Amount per Month
17 days
Number of Rainy Days
8 hrs
Daylight
per Day
2 hrs
Sunshine
per Day
13 km/h
Average Wind Speed
85%
Average
humidity
Birch Bay lies within the Washington in United States. The average daytime temperature in Birch Bay in December is 37°F (3°C), while the nighttime average is 35°F (2°C). There are typically 17 rainy days during the month, with a total precipitation of 7.7 inches (197 mm). The daylight duration in December in Birch Bay is 8 hours, with an average of 2 hours of sunshine per day. The average wind speed in December is 8 mph (13 km/h), and the humidity level is around 85%.
The water temperature in Birch Bay in December ranges from 45°F to 46°F (7°C to 8°C). At the beginning of the month, the average temperature is around 48°F (9°C), shifting to 48°F (9°C) by mid-December and reaching 46°F (8°C) in the last ten days. Overall, the average sea temperature in Birch Bay for December is 46°F (8°C). 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 Birch Bay
What is the sea temperature in Birch Bay in December?
The water temperature in the Salish Sea in Birch Bay in December ranges from 45°F to 46°F (7°C to 8°C).
Is it possible to swim in the Salish Sea in Birch Bay in December?
The average sea temperature in Birch Bay in December is 46°F (8°C), and the air temperature is 37°F (3°C), so very cold water with low air temperature creates extreme swimming conditions. Hypothermia can occur quickly, making it unsafe for most people.