Gillette Weather in May

What's the weather like in Gillette (Wyoming) in May 2024?

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

May is in the spring in Gillette and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a cool 20°C (68°F), whilst at night 4°C (40°F) is normal.

Gillette weather averages (imperial / metric)
Daytime temperature	19.8°C 67.6°F
Nightly temperature	4.3°C 39.7°F
Average temperature	12°C 53.6°F
Daily sunshine	9.6 hrs
Avg rainfall	70 mm 2.7 ins
Rainy days	12 days
Sea temperature	10.1°C 50.2°F
Humidity	59%
Windspeed	18.7kph 12 mph

On average May is the 2nd wettest month of the year in Gillette with around 70mm 2.7 inches of rain making it a reasonably dry 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 9.6 hours of sunshine per day.

May temperatures in Gillette

May rainfall

May hourly sunshine

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 Gillette in May 2024.