Alpharetta (GA) Sunshine Hours by Month
To truly understand a climate, we must look at its sunshine. This page shows the total number of hours of direct sunlight per month and the average hours per day in Alpharetta, Georgia, United States of America. These values are calculated using 30 years of data (1990–2020) to ensure accuracy.
Monthly hours of sunshine
Seasonal sunshine in Alpharetta varies. It peaks at 288 hours in May and drops to 164 hours in January. The total annual amount of sun is 2733 hours.
Daily hours of sunshine
In Alpharetta, summer days are longer and more sunny, with daily sunshine hours peaking at 9.6 hours in May. As the darker season arrives, the brightness of the sun becomes less. January sees a soft sun for only 5.5 hours per day.
Average percent of sunshine
On average the sun shines 68% of the time during the day in October, the highest percentage of any month. January has the lowest percentage at 52%.
Alpharetta vs Major Cities: Sunshine Compared
Alpharetta enjoys an average of 2733 hours of sunshine annually. Let’s compare this with some popular tourist destinations:
The city of Rome, Italy, experiences 2470 hours of sunshine annually, adding to its charm as a year-round tourist destination.
Manchester, UK, experiences just around 1420 hours of sunshine annually.
Meanwhile, Buenos Aires, Argentina, enjoys a humid subtropical climate with 2520 hours of sunshine annually.
Melbourne, Australia, has 2380 hours of sunshine annually, with its famous “four seasons in a day” weather pattern.
Related Climate Data for Alpharetta
December, Alpharetta’s wettest month, receives 106 mm (4.2 in) of rainfall and has a maximum daytime temperature of 13°C (55°F). During the driest month June you can expect a temperature of 31°C (88°F).
For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Alpharetta Precipitation page.
