Climate ▸Forecast ▸December ▸January ▸
JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember

Average Monthly Sunshine in Mason City (IA)

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

Monthly hours of sunshine


Sunshine in Mason City varies greatly throughout the year. The sunniest month, July, reaches an impressive 342 hours, while December, the darkest month, offers only 118 hours. The total annual amount of sun is 0 hours.

Daily hours of sunshine


In Mason City, summer days are longer and more sunny, with daily sunshine hours peaking at 11.4 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 3.9 hours.

Mason City’s total hours of sunshine compared to other major cities

Mason City enjoys an average of 0 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.

In contrast, London, UK, receives only about 1659 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.

Melbourne, Australia, has 2380 hours of sunshine annually, with its famous “four seasons in a day” weather pattern.

Other climate information

June, Mason City’s wettest month, receives 95 mm of rainfall and has a maximum daytime temperature of 26°C. During the driest month January you can expect a temperature of -5°C.

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


Forecast: is it sunny in Mason City (IA)?

Sat   Dec 28
8°C | 1°C
SW 5 m/s
partly cloudy and no rain

partly cloudy and no rain

Sun   Dec 29
5°C | 0°C
NW 4 m/s
overcast and no rain

overcast and no rain

Mon   Dec 30
5°C | -1°C
N 4 m/s
1.6 mm
overcast and  chance of slight rain

overcast and chance of slight rain

Interested in more climate information?

This site provides you with all the information you need about the climate in Mason City.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.