Monmouth Weather in May

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

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

May is in the spring in Monmouth and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a comfortable 23°C (74°F), whilst at night 10°C (50°F) is normal.

Monmouth weather averages (imperial / metric)
Daytime temperature 23.4°C 74.1°F
Nightly temperature 10.2°C 50.4°F
Average temperature 16.8°C 62.2°F
Daily sunshine 9.1 hrs
Avg rainfall 99 mm 3.9 ins
Rainy days 12 days
Sea temperature 11.6°C 52.8°F
Humidity 66%
Windspeed 17.3kph 11 mph

On average May is the 3rd wettest month of the year in Monmouth with around 99mm 3.9 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.1 hours of sunshine per day.

May temperatures in Monmouth

Monmouth average temperature in May

May rainfall

Monmouth average rain in May

May hourly sunshine

Monmouth 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 Monmouth in May 2024.