Sea Temperature in Birch Bay in May

Complete information on the sea temperature range in the Salish Sea in Birch Bay in May. Historical daily data. Climate details for May. 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 May

7°C

MINIMUN

10°C

AVERAGE

13°C

MAXIMUM

Historical Data of Water Temperature in May in Birch Bay

Water Temperature Chart for Salish Sea in Birch Bay in May

Sea Temperature Table in Birch Bay in May Over the Past Years

Day	2024	2023	2022	Average
May 1	11°C	10°C	8°C	9.8°C
May 2	11°C	10°C	8°C	9.5°C
May 3	10°C	10°C	8°C	9.5°C
May 4	11°C	10°C	8°C	9.8°C
May 5	11°C	10°C	8°C	9.8°C
May 6	10°C	10°C	9°C	10.0°C
May 7	11°C	10°C	9°C	10.0°C
May 8	10°C	11°C	9°C	10.0°C
May 9	11°C	11°C	9°C	10.3°C
May 10	11°C	11°C	9°C	10.5°C
May 11	11°C	11°C	10°C	10.8°C
May 12	11°C	11°C	10°C	10.5°C
May 13	12°C	11°C	10°C	11.0°C
May 14	11°C	11°C	10°C	10.8°C
May 15	11°C	12°C	10°C	11.0°C
May 16	12°C	11°C	11°C	11.0°C
May 17	12°C	12°C	11°C	11.5°C
May 18	11°C	11°C	11°C	11.0°C
May 19	12°C	12°C	11°C	11.5°C
May 20	12°C	12°C	8°C	10.8°C
May 21	11°C	12°C	8°C	10.5°C
May 22	12°C	12°C	8°C	10.5°C
May 23	11°C	12°C	8°C	10.5°C
May 24	12°C	12°C	8°C	10.8°C
May 25	11°C	12°C	8°C	10.8°C
May 26	11°C	12°C	8°C	10.5°C
May 27	11°C	12°C	8°C	10.5°C
May 28	11°C	12°C	8°C	10.5°C
May 29	12°C	12°C	8°C	10.8°C
May 30	11°C	12°C	8°C	10.5°C

Birch Bay Climate and Swimming Opportunities in May

16°C

Average Day Air Temperature

8°C

Average Night Air Temperature

93 mm

Precipitation Amount per Month

12 days

Number of Rainy Days

15 hrs

Daylight
per Day

7 hrs

Sunshine
per Day

11 km/h

Average Wind Speed

74%

Average
humidity

Birch Bay lies within the Washington in United States. The average daytime temperature in Birch Bay in May is 60°F (16°C), while the nighttime average is 47°F (8°C). There are typically 12 rainy days during the month, with a total precipitation of 3.7 inches (93 mm). The daylight duration in May in Birch Bay is 15 hours, with an average of 7 hours of sunshine per day. The average wind speed in May is 7 mph (11 km/h), and the humidity level is around 74%.

The water temperature in Birch Bay in May ranges from 48°F to 52°F (9°C to 11°C). At the beginning of the month, the average temperature is around 50°F (10°C), shifting to 52°F (11°C) by mid-May and reaching 52°F (11°C) in the last ten days. Overall, the average sea temperature in Birch Bay for May is 50°F (10°C). Ideal conditions for a refreshing swim, though some may still find it a bit cool.

Sea Temperature in May in Nearby Cities

Frequently Asked Questions About Water Temperatures in May in Birch Bay

What is the sea temperature in Birch Bay in May?

The water temperature in the Salish Sea in Birch Bay in May ranges from 48°F to 52°F (9°C to 11°C).

Is it possible to swim in the Salish Sea in Birch Bay in May?

The average sea temperature in Birch Bay in May is 50°F (10°C), and the air temperature is 60°F (16°C), so ideal conditions for a refreshing swim, though some may still find it a bit cool.