Birch Bay Weather in May

What's the weather like in Birch Bay (Washington) in May 2024?

The climate in Birch Bay during May can be summarized as mild and reasonably dry.

May is in the spring in Birch Bay and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a cool 17°C (62°F), whilst at night 7°C (45°F) is normal.

Birch Bay weather averages (imperial / metric)
Daytime temperature 16.7°C 62°F
Nightly temperature 7°C 44.5°F
Average temperature 11.8°C 53.2°F
Daily sunshine 7.6 hrs
Avg rainfall 52 mm 2 ins
Rainy days 11 days
Sea temperature 11°C 51.8°F
Humidity 74%
Windspeed 11.9kph 7 mph

On average May is the 4th driest month of the year in Birch Bay with around 52mm 2 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.6 hours of sunshine per day.

May temperatures in Birch Bay

Birch Bay average temperature in May

May rainfall

Birch Bay average rain in May

May hourly sunshine

Birch Bay average rain in May

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Birch Bay in May 2024.