Average Monthly Sunshine in Watertown (WI)

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

Monthly hours of sunshine

Seasonal sunshine in Watertown varies. It peaks at 308 hours in July and drops to 107 hours in December. The total annual amount of sun is 2439 hours.

Daily hours of sunshine

In Watertown, summer days are longer and more sunny, with daily sunshine hours peaking at 10.3 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 3.6 hours.

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

Watertown enjoys an average of 2439 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 Chicago, USA, the annual sunshine averages 2520 hours, contributing to its humid continental climate.

Beijing, China, has 2505 hours of sunshine annually, with clear, sunny days in winter.

In Tokyo, Japan, the average annual sunshine is 1930 hours, with sunny periods between rainy seasons.

Other climate information

June, Watertown’s wettest month, receives 107 mm of rainfall and has a maximum daytime temperature of 26°C. During the driest month January you can expect a temperature of -3°C.

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