Longmont Weather in April

April in Longmont averages 18°C (64°F) during the day and 1°C (34°F) at night. Around 47 mm (1.9 in) of rainfall is typical for this time of year.

Rainfall in Longmont in April

Looking at the last 30 years, the data shows about 8 days with rain, averaging 47 mm (1.9 in) for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Longmont in April

April in Longmont sees highs of 18°C (64°F) and lows of 1°C (34°F) overnight. The difference between afternoon and evening temperatures is usually noticeable. Nights fall to 1°C (34°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Longmont in April

The city usually sees around 275 hours of sunlight, indicating many sunny days , a great month for sightseeing.

If you prefer dry days with pleasant temperatures, 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.