Chinook Weather in May

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

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

May is in the spring in Chinook and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a cool 20°C (69°F), whilst at night 4°C (40°F) is normal.

Chinook weather averages (imperial / metric)
Daytime temperature 20.3°C 68.5°F
Nightly temperature 4.4°C 39.8°F
Average temperature 12.3°C 54.1°F
Daily sunshine 11.2 hrs
Avg rainfall 51 mm 2 ins
Rainy days 9 days
Sea temperature 8°C 46.4°F
Humidity 55%
Windspeed 19.4kph 12 mph

On average May is the 2nd wettest month of the year in Chinook with around 51mm 2 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 11.2 hours of sunshine per day.

May temperatures in Chinook

Chinook average temperature in May

May rainfall

Chinook average rain in May

May hourly sunshine

Chinook 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 Chinook in May 2024.