Sidney Weather in May

What's the weather like in Sidney (Montana) in May 2024?

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

May is in the spring in Sidney and is typically the 5th warmest month of the year. Daytime maximum temperatures average around 21°C (70°F), whilst at night 6°C (42°F) is normal.

Sidney weather averages (imperial / metric)
Daytime temperature 20.9°C 69.5°F
Nightly temperature 5.6°C 42°F
Average temperature 13.2°C 55.8°F
Daily sunshine 10.1 hrs
Avg rainfall 51 mm 2 ins
Rainy days 10 days
Sea temperature 8.3°C 46.9°F
Humidity 59%
Windspeed 19.4kph 12 mph

On average May is the 2nd wettest month of the year in Sidney with around 51mm 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 10.1 hours of sunshine per day.

May temperatures in Sidney

Sidney average temperature in May

May rainfall

Sidney average rain in May

May hourly sunshine

Sidney 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 Sidney in May 2024.