Paso Robles Weather in May

What's the weather like in Paso Robles (California) in May 2026?

The climate in Paso Robles during May can be summarized as mild and very dry.

May is in the spring in Paso Robles and is typically the 6th warmest month of the year. Daytime maximum temperatures average around 22°C (71°F), whilst at night 8°C (47°F) is normal.

Paso Robles weather averages (imperial / metric)
Daytime temperature 21.8°C 71.2°F
Nightly temperature 8.2°C 46.8°F
Average temperature 15°C 59°F
Daily sunshine 11.6 hrs
Avg rainfall 8 mm 0.3 ins
Rainy days 2 days
Sea temperature 13.6°C 56.5°F
Humidity 69%
Windspeed 15.8kph 10 mph

On average May is the 5th driest month of the year in Paso Robles with around 8mm 0.3 inches of rain making it a very dry time to visit.

On the flip side this corresponds to an average of 11.6 hours of sunshine per day.

May temperatures in Paso Robles

Paso Robles average temperature in May

May rainfall

Paso Robles average rain in May

May hourly sunshine

Paso Robles 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 Paso Robles in May 2025.