McKinleyville Weather in October

What's the weather like in McKinleyville (California) in October 2025?

The climate in McKinleyville during October can be summarized as mild and a little damp.

October is in the fall / autumn in McKinleyville and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a cool 17°C (63°F), whilst at night 8°C (47°F) is normal.

McKinleyville weather averages (imperial / metric)
Daytime temperature 17.2°C 63°F
Nightly temperature 8.4°C 47.1°F
Average temperature 12.8°C 55°F
Daily sunshine 6.6 hrs
Avg rainfall 82 mm 3.2 ins
Rainy days 9 days
Sea temperature 13.3°C 56°F
Humidity 75%
Windspeed 10.8kph 7 mph

On average October is the 6th wettest month of the year in McKinleyville with around 82mm 3.2 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.6 hours of sunshine per day.

October temperatures in McKinleyville

McKinleyville average temperature in October

October rainfall

McKinleyville average rain in October

October hourly sunshine

McKinleyville average rain in October

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 McKinleyville in October 2025.