Mason City, IA weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Mason City now
Loading the National Weather Service forecast…
Mason City weather by the hour
Mason City weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Mason City.
This week in Mason City
Sunrise, sunset and moon in Mason City
What is the weather usually like in Mason City?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 82°F average high
- Januarycoldest month · 7°F average low
- 36.3 inprecipitation per year · 921 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Mason City: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station MASON CITY, IA US (USC00135230), adjusted for the elevation of Mason City.
Mason City weather month by month
Sunrise and sunset in Mason City through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:39 AM | 5:04 PM | 9 h 24 min |
| February | 7:08 AM | 5:45 PM | 10 h 36 min |
| March | 7:22 AM | 7:20 PM | 11 h 57 min |
| April | 6:28 AM | 7:56 PM | 13 h 28 min |
| May | 5:47 AM | 8:31 PM | 14 h 44 min |
| June | 5:30 AM | 8:55 PM | 15 h 25 min |
| July | 5:45 AM | 8:52 PM | 15 h 6 min |
| August | 6:17 AM | 8:17 PM | 13 h 59 min |
| September | 6:51 AM | 7:24 PM | 12 h 33 min |
| October | 7:25 AM | 6:31 PM | 11 h 6 min |
| November | 7:04 AM | 4:50 PM | 9 h 46 min |
| December | 7:36 AM | 4:40 PM | 9 h 3 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Mason City?
Mason City has a hot-summer humid continental climate. The warmest month is July, with an average high of 82°F (28°C), and the coldest is January, with average lows of 7°F (-14°C).
It gets about 36.3 inches (921 mm) of precipitation a year. The wettest month is June and the driest is January.
The best time to visit Mason City is June to September. At 1,129 ft of elevation, nights are mild most of the year. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
More about Mason City
Weather in towns near Mason City
Questions about the weather in Mason City
What is the hottest month in Mason City?
July, with an average high of 82°F (28°C).
What is the coldest month in Mason City?
January, with an average low of 7°F (-14°C).
How much does it rain in Mason City?
About 36.3 inches (921 mm) a year; the wettest month is June.
Does it snow in Mason City?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Mason City?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Mason City have?
Hot-summer humid continental (Köppen Dfa).
What is the weather like in Mason City in November?
Highs average 43°F and lows 25°F, with about 1.8 inches of precipitation.
What time is sunrise in Mason City?
Around 7:04 AM in mid-November, and sunset around 4:50 PM. Today’s exact times are shown above.
Where does this Mason City weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Mason City.
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