Washington Weather in May

What's the weather like in Washington (Kansas) in May 2025?

The climate in Washington during May can be summarized as mild and damp.

May is in the spring in Washington and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a comfortable 24°C (75°F), whilst at night 11°C (51°F) is normal.

Washington weather averages (imperial / metric)
Daytime temperature 24°C 75.1°F
Nightly temperature 10.7°C 51.2°F
Average temperature 17.3°C 63.1°F
Daily sunshine 10 hrs
Avg rainfall 108 mm 4.3 ins
Rainy days 11 days
Sea temperature 13.8°C 56.8°F
Humidity 68%
Windspeed 19.8kph 12 mph

On average May is the 2nd wettest month of the year in Washington with around 108mm 4.3 inches of rain making it a 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 hours of sunshine per day.

May temperatures in Washington

Washington average temperature in May

May rainfall

Washington average rain in May

May hourly sunshine

Washington 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 Washington in May 2024.