Longmont Weather in October

October in Longmont averages 19°C (66°F) during the day and 2°C (36°F) at night. Around 31 mm (1.2 in) of rainfall is typical for this time of year.

Rainfall in Longmont in October

Typically around 7 days of rainfall are expected, averaging 31 mm (1.2 in) for the month. When rain does fall, showers tend to be light and brief. Most days will be dry.

Temperature in Longmont in October

Expect highs of 19°C (66°F) in Longmont in October, with nights dropping to around 2°C (36°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. At 2°C (36°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Longmont in October

The month enjoys around 253 hours of sunshine, creating mostly sunny days with good weather conditions.

If you prefer enjoying temperate temperatures and rain-free days, May and September typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.