Washington Weather in May

What's the weather like in Washington (Pennsylvania) in May 2024?

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 22°C (72°F), whilst at night 9°C (48°F) is normal.

Washington weather averages (imperial / metric)
Daytime temperature 22.3°C 72.1°F
Nightly temperature 8.8°C 47.8°F
Average temperature 15.5°C 59.9°F
Daily sunshine 7.5 hrs
Avg rainfall 102 mm 4 ins
Rainy days 13 days
Sea temperature 10.1°C 50.2°F
Humidity 65%
Windspeed 14.4kph 9 mph

On average May is the 2nd wettest month of the year in Washington with around 102mm 4 inches of rain making it a damp time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.5 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.