Galena Weather in May

What's the weather like in Galena (Illinois) in May 2024?

The climate in Galena during May can be summarized as mild and a little damp.

May is in the spring in Galena and is typically the 5th warmest month of the year. Daytime maximum temperatures average around 21°C (71°F), whilst at night 9°C (48°F) is normal.

Galena weather averages (imperial / metric)
Daytime temperature 21.4°C 70.5°F
Nightly temperature 8.6°C 47.5°F
Average temperature 15°C 59°F
Daily sunshine 10.4 hrs
Avg rainfall 98 mm 3.9 ins
Rainy days 11 days
Sea temperature 9.2°C 48.5°F
Humidity 65%
Windspeed 17.3kph 11 mph

On average May is the 5th wettest month of the year in Galena with around 98mm 3.9 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 10.4 hours of sunshine per day.

May temperatures in Galena

Galena average temperature in May

May rainfall

Galena average rain in May

May hourly sunshine

Galena 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 Galena in May 2024.