Longmont Weather in May

May is one of the excellent months to visit Longmont, with daytime temperatures of 22°C (72°F) and lows of 6°C (43°F) at night. Do keep in mind it is the rainiest month of the year, with 62 mm (2.4 in) of rainfall on average.

Rainfall in Longmont in May

With this being the wettest month, keeping an umbrella on hand might save you from getting wet from a sudden shower. Climate statistics over the past 30 years suggest around 12 days of rain, with 62 mm (2.4 in) average for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Longmont in May

Longmont in May has excellent weather. Days reach 22°C (72°F) and nights cool to 6°C (43°F). The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 6°C (43°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Longmont in May

The days are predominantly sunny, with an estimated total of around 290 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

If your ideal day consists of dry skies and pleasant temperatures, May and September typically offer the best circumstances for Longmont.