Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January, known for its average high temperature of 22.3°F (-5.4°C) and an average low temperature of 9.9°F (-12.3°C), is the coldest month in Mason City.Humidity
January is the most humid month, with an average relative humidity of 89%.Rainfall
January is the month with the least rainfall in Mason City. Rain falls for 4.5 days and accumulates 1.06" (27mm) of precipitation.Snowfall
Months with snowfall in Mason City are January through May, October through December. In January, in Mason City, it is snowing for 14.6 days. Throughout January, 5.67" (144mm) of snow is accumulated. In Mason City, during the entire year, snow falls for 60.2 days and aggregates up to 26.26" (667mm) of snow.Daylight
The average length of the day in January is 9h and 26min.On the first day of January in Mason City, sunrise is at 7:44 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:23 pm CST.
Sunshine
With an average of 3.5h of sunshine, January has the least sunshine of the year in Mason City, Iowa.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Mason City. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 1 during January translates into the following directions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Frequently asked questions
What month is the coldest in Mason City?
How cold is January in Mason City?
What is the most humid month in Mason City?
What is the average humidity in January in Mason City?
What is the driest month in Mason City?
How much does it rain in Mason City in January?
How many days does it snow in January in Mason City?
What is the average length of the day in January in Mason City?
When are sunrise and sunset in January in Mason City?
What is the month with the least sunshine in Mason City?
How many hours of sunshine does Mason City have in January?
When is the lowest UV index in Mason City?
How high is the UV index in January in Mason City?
Average temperature in January
Mason City, IA
- Average high temperature in January: 22.3°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (22.3°F).
- Average low temperature in January: 9.9°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in January
Mason City, IA
- Average pressure in January: 30.15"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in January
Mason City, IA
- Average wind speed in January: 10.9mph
The windiest months (with the highest average wind speed) are January and April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).
Average humidity in January
Mason City, IA
- Average humidity in January: 89%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Mason City, IA
- Average rainfall in January: 1.06"
The wettest month (with the highest rainfall) is June (4.65").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in January
Mason City, IA
- Average rainfall days in January: 4.5 days
The month with the highest number of rainy days is June (19.8 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in January
Mason City, IA
- Average snowfall in January: 5.67"
The month with the highest snowfall is February (7.48").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Mason City, IA
- Average snowfall days in January: 14.6 days
The month with the highest number of snowfall days is January (14.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Mason City, IA
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January: 3h and 3min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in January
Mason City, IA
- Average sunshine days in January: 14.2 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (8 days).
Average UV index in January
Mason City, IA
- Average UV index in January: 1
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Mason City, IA
- Average cloud cover in January: 63
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in January
Mason City, IA
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, July and December (5mi).
Mason City, Iowa, USA
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