Helena (MT) Sunshine Hours by Month
In climate discussions, the hours of sunlight reveal much about a location. This page shows the total number of hours of direct sunlight per month and the average hours per day in Helena, Montana, United States of America. The numbers reflect climate data gathered over a 30-year period, from 1990 to 2020.
Monthly hours of sunshine
Sunshine in Helena varies greatly throughout the year. The sunniest month, July, reaches an impressive 370 hours, while December, the darkest month, offers only 100 hours. The total annual amount of sun is 2694 hours.
Daily hours of sunshine
Seasonal changes in sunshine hours are quite obvious in Helena. While July receives considerable daily sunshine with up to 12.3 hours, December marks the darkest time of the year, where sunshine is scarce with only 3.3 hours of sunlight per day.
Average percent of sunshine
On average the sun shines 77% of the time during the day in July, the highest percentage of any month. December has the lowest percentage at 37%.
Helena vs Major Cities: Sunshine Compared
Helena enjoys an average of 2694 hours of sunshine annually. Let’s compare this with some popular tourist destinations:
In Barcelona, Spain, there are 2530 hours of sunshine annually and is a city that can be visited year-round.
In contrast, Reykjavík, Iceland, receives only about 1330 hours of sunshine per year, known for its frequently overcast and rainy skies.
Meanwhile, Buenos Aires, Argentina, enjoys a humid subtropical climate with 2520 hours of sunshine annually.
In Brisbane, Australia, the annual sunshine averages 2999 hours, making it one of Australia’s sunniest cities.
Related Climate Data for Helena
May, Helena’s wettest month, receives 29 mm (1.1 in) of rainfall and has a maximum daytime temperature of 17°C (63°F). During the driest month January you can expect a temperature of 2°C (36°F).
For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Helena Precipitation page.
