Longmont Weather in June

The climate in Longmont during June can be summarized as warm and reasonably dry.

June is in the summer in Longmont and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a comfortable 27°C (80°F), whilst at night 11°C (52°F) is normal.

On average June is the 2nd wettest month of the year in Longmont with around 49mm 1.9 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 11.3 hours of sunshine per day.

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 Longmont in June 2024.