October weather forecast
Mason City, IA

Weather in October

October, the same as September, in Mason City, Iowa, is another mild autumn month, with an average temperature varying between 57.4°F (14.1°C) and 42.3°F (5.7°C).

Temperature

In Mason City, the average high-temperature in October declines considerably from an agreeable 72.3°F (22.4°C) in September to a mild 57.4°F (14.1°C). In October, in Mason City, the average low-temperature is 42.3°F (5.7°C).

Humidity

The least humid month is October, with an average relative humidity of 71%.

Rainfall

In Mason City, during 11.6 rainfall days, 2.28" (58mm) of precipitation is typically accumulated. Throughout the year, there are 145.9 rainfall days, and 28.82" (732mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Mason City, Iowa. October is the first month it typically snows in Mason City. Throughout October, in the average 1.9 snowfall days, it receives 0.24" (6mm) of snow. In Mason City, during the entire year, snow falls for 60.2 days and aggregates up to 26.26" (667mm) of snow.

Daylight

In Mason City, the average length of the day in October is 11h and 1min.
On the first day of October, sunrise is at 7:10 am and sunset at 6:54 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 6:06 pm CDT.

Sunshine

In October, the average sunshine is 5.5h.

UV index

In Mason City, the average daily maximum UV index in October is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: In October, the average maximum UV index of 2 translate into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in October in Mason City?

In Mason City, in October, the average high-temperature is 57.4°F (14.1°C), and the average low-temperature is 42.3°F (5.7°C).

What is the least humid month in Mason City?

The least humid month in Mason City, Iowa, is October, with an average relative humidity of 71%.

What is the average humidity in October in Mason City?

In October, the average relative humidity in Mason City is 71%.

How much does it rain in Mason City in October?

In October, in Mason City, Iowa, the rain falls for 11.6 days. Throughout October, 2.28" (58mm) of precipitation is accumulated.

When does it start snowing in Mason City?

October is the first month it typically snows in Mason City. Throughout October, in the average 1.9 snowfall days, it receives 0.24" (6mm) of snow.

How many hours of daylight does Mason City have in October?

The average day length in October in Mason City is 11h and 1min.

When are sunrise and sunset in October in Mason City?

On the first day of October, sunrise is at 7:10 am and sunset at 6:54 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 6:06 pm CDT.

How many hours of sunshine does Mason City have in October?

In October, the average sunshine duration is 5.5h.

How high is the UV index in October in Mason City?

In October, the average daily maximum UV index in Mason City is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Mason City, IA

Average temperature in October - Mason City, IA
  • Average high temperature in October: 57.4°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 October: 42.3°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).

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Average pressure in October
Mason City, IA

Average pressure in October - Mason City, IA
  • Average pressure in October: 29.99"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).

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Average wind speed in October
Mason City, IA

Average wind speed in October - Mason City, IA
  • Average wind speed in October: 10.1mph

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).

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Average humidity in October
Mason City, IA

Average humidity in October - Mason City, IA
  • Average humidity in October: 71%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in October
Mason City, IA

Average rainfall in October - Mason City, IA
  • Average rainfall in October: 2.28"

The wettest month (with the highest rainfall) is June (4.65").
The driest month (with the least rainfall) is January (1.06").

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Average rainfall days in October
Mason City, IA

Average rainfall days in October - Mason City, IA
  • Average rainfall days in October: 11.6 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).

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Average snowfall in October
Mason City, IA

Average snowfall in October - Mason City, IA
  • Average snowfall in October: 0.24"

The month with the highest snowfall is February (7.48").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in October
Mason City, IA

Average snowfall days in October - Mason City, IA
  • Average snowfall days in October: 1.9 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).

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Average daylight in October /
Average sunshine in October
Mason City, IA

Average daylight in October / Average sunshine in October - Mason City, IA
  • Average daylight in October: 11h and 1min

The month with the longest days is June (Average daylight: 15h and 20min).
The month with the shortest days is December (Average daylight: 9h and 3min).

  • Average sunshine in October: 5h and 30min

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).

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Average sunshine days in October
Mason City, IA

Average sunshine days in October - Mason City, IA
  • Average sunshine days in October: 15.5 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (8 days).

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Average UV index in October
Mason City, IA

Average UV index in October - Mason City, IA
  • Average UV index in October: 2

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).

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Average cloud cover in October
Mason City, IA

Average cloud cover in October - Mason City, IA
  • Average cloud cover in October: 40

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in October
Mason City, IA

Average visibility in October - Mason City, IA
  • Average visibility in October: 6mi

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).

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