Average Monthly Sunshine in Longmont (CO)

The graphs on this page shows the average number of hours per month and per day that Longmont receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.

Monthly hours of sunshine

Those who love seasonal contrasts will appreciate Longmont. Expect long, bright days with 323 hours in July and darker periods with just 195 hours in November. The total annual amount of sun is 3100 hours.

Daily hours of sunshine

In Longmont, summer days are longer and more sunny, with daily sunshine hours peaking at 10.8 hours in July. As the darker season arrives, the brightness of the sun becomes less. November sees a soft sun for only 6.5 hours.

Longmont’s total hours of sunshine compared to other major cities

Longmont enjoys an average of 3100 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

Athens, Greece, enjoys 2769 hours of sunshine each year, making it one of the sunniest destinations in the Mediterranean region.

Manchester, UK, experiences just around 1420 hours of sunshine annually.

Stockholm, Sweden, receives approximately 1907 hours of sunshine annually.

Melbourne, Australia, has 2380 hours of sunshine annually, with its famous “four seasons in a day” weather pattern.

Other climate information

May, Longmont’s wettest month, receives 38 mm of rainfall and has a maximum daytime temperature of 22°C. During the driest month January you can expect a temperature of 7°C.

For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Longmont Precipitation page.