Arcata Weather in April

What's the weather like in Arcata (California) in April 2026?

The climate in Arcata during April can be summarized as mild and a little damp.

April is in the spring in Arcata and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a cool 15°C (58°F), whilst at night 6°C (43°F) is normal.

Arcata weather averages (imperial / metric)
Daytime temperature 14.6°C 58.2°F
Nightly temperature 6.1°C 42.9°F
Average temperature 10.3°C 50.5°F
Daily sunshine 9.1 hrs
Avg rainfall 81 mm 3.2 ins
Rainy days 11 days
Sea temperature 11.2°C 52.2°F
Humidity 72%
Windspeed 14kph 9 mph

On average April is the 6th driest month of the year in Arcata with around 81mm 3.2 inches of rain making it a a little damp 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 9.1 hours of sunshine per day.

April temperatures in Arcata

Arcata average temperature in April

April rainfall

Arcata average rain in April

April hourly sunshine

Arcata average rain in April

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 Arcata in April 2025.