Arco Weather in May

What's the weather like in Arco (Idaho) in May 2024?

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

May is in the spring in Arco and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a cool 18°C (65°F), whilst at night 2°C (36°F) is normal.

Arco weather averages (imperial / metric)
Daytime temperature 18.4°C 65.1°F
Nightly temperature 2°C 35.6°F
Average temperature 10.2°C 50.4°F
Daily sunshine 10.3 hrs
Avg rainfall 31 mm 1.2 ins
Rainy days 10 days
Sea temperature 10.7°C 51.2°F
Humidity 53%
Windspeed 16.9kph 11 mph

On average May is the 2nd wettest month of the year in Arco with around 31mm 1.2 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.

On the flip side this corresponds to an average of 10.3 hours of sunshine per day.

May temperatures in Arco

Arco average temperature in May

May rainfall

Arco average rain in May

May hourly sunshine

Arco 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 Arco in May 2024.