Norwalk (CT) Sunshine Hours by Month

When exploring climate, sunlight hours tell an important story. This page shows the total number of hours of direct sunlight per month and the average hours per day in Norwalk, Connecticut, United States of America. Long-term data from 1990 to 2020 was used to calculate these averages.

Monthly hours of sunshine

If you're visiting Norwalk, timing is key. In July, you can enjoy up to 271 hours of sunshine, while the shorter days of December provide just 141 hours. The total annual amount of sun is 2544 hours.

Daily hours of sunshine

In Norwalk, summer days are longer and more sunny, with daily sunshine hours peaking at 9.0 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 4.7 hours per day.

Average percent of sunshine

On average the sun shines 63% of the time during the day in August, the highest percentage of any month. December has the lowest percentage at 48%.

Norwalk enjoys an average of 2544 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

Seville, Spain, enjoys an impressive 2920 hours of sunshine per year, making it an ideal destination even in winter.

In contrast, London, UK, receives only about 1659 hours of sunshine per year, known for its frequently overcast and rainy skies.

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.

June, Norwalk’s wettest month, receives 94 mm (3.7 in) of rainfall and has a maximum daytime temperature of 26°C (79°F). During the driest month November you can expect a temperature of 12°C (54°F).

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