Preston (CT) 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 Preston, Connecticut, United States of America. These values are calculated using 30 years of data (1990–2020) to ensure accuracy.

Monthly hours of sunshine

If you're visiting Preston, timing is key. In July, you can enjoy up to 290 hours of sunshine, while the shorter days of November provide just 147 hours. The total annual amount of sun is 2598 hours.

Daily hours of sunshine

In Preston, summer days are longer and more sunny, with daily sunshine hours peaking at 9.7 hours in July. As the darker season arrives, the brightness of the sun becomes less. November sees a soft sun for only 4.9 hours per day.

Average percent of sunshine

On average the sun shines 63% of the time during the day in July, the highest percentage of any month. November has the lowest percentage at 49%.

Preston enjoys an average of 2598 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

In Lisbon, Portugal, there are approximately 2801 hours of sunshine annually, highlighting its warm and sunny Mediterranean climate.

In contrast, Tromsø , Norway, receives only about 1270 hours of sunshine per year, known for the polar night with no sunlight for weeks during winter.

Toronto, Canada, sees around 2071 hours of sunshine each year, with especially long, bright summer days.

Perth, Australia, enjoys 3180 hours of sunshine annually, the highest among major Australian cities.

March, Preston’s wettest month, receives 111 mm (4.4 in) of rainfall and has a maximum daytime temperature of 9°C (48°F). During the driest month January you can expect a temperature of 3°C (37°F).

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