March weather forecast and climate
Mason City, IA

Weather in March

March, the first month of the spring, in Mason City, is a cold month, with average temperature varying between 41.4°F (5.2°C) and 27.9°F (-2.3°C).

Temperature

In Mason City, the average high-temperature soars, from a freezing cold 26.4°F (-3.1°C) in February, to a wintry 41.4°F (5.2°C). In Mason City, the average low-temperature is 27.9°F (-2.3°C).

Humidity

The average relative humidity in March is 80%.

Rainfall

In Mason City, in March, during 10.9 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. In Mason City, during the entire year, the rain falls for 145.9 days and collects up to 28.82" (732mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Mason City, Iowa. In March, it is snowing for 8.6 days. Throughout March, 3.66" (93mm) of snow is accumulated. Throughout the year, there are 60.2 snowfall days, and 26.26" (667mm) of snow is accumulated.

Daylight

The average length of the day is 12h.

Sunshine

In Mason City, Iowa, the average sunshine in March is 5.8h.

UV index

In March, the average daily maximum UV index in Mason City is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 2 in March interpret into the following advice:
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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. 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 average humidity in March in Mason City?

In March, the average relative humidity in Mason City is 80%.

How many days does it rain in March in Mason City?

In March, in Mason City, the rain falls for 10.9 days. Throughout March, 1.69" (43mm) of precipitation is accumulated.

How much does it snow in Mason City in March?

In Mason City, in March, snow falls for 8.6 days, with typically accumulated 3.66" (93mm) of snow.

What is the average length of the day in March in Mason City?

In Mason City, the average length of the day in March is 12h.

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

The average sunshine in March is 5.8h.

What is the UV index reading in March in Mason City?

The average daily maximum UV index in March in Mason City is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from the exposure to the Sun's UV rays.

Average temperature in March
Mason City, IA

Average temperature in March - Mason City, IA
  • Average high temperature in March: 41.4°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 March: 27.9°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).

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Average pressure in March
Mason City, IA

Average pressure in March - Mason City, IA
  • Average pressure in March: 30.08"

The month with the highest atmospheric pressure is January (30.15").
The month with the lowest atmospheric pressure is June (29.88").

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Average wind speed in March
Mason City, IA

Average wind speed in March - Mason City, IA
  • Average wind speed in March: 10.6mph

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 March
Mason City, IA

Average humidity in March - Mason City, IA
  • Average humidity in March: 80%

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 March
Mason City, IA

Average rainfall in March - Mason City, IA
  • Average rainfall in March: 1.69"

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 March
Mason City, IA

Average rainfall days in March - Mason City, IA
  • Average rainfall days in March: 10.9 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 March
Mason City, IA

Average snowfall in March - Mason City, IA
  • Average snowfall in March: 3.66"

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

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Average snowfall days in March
Mason City, IA

Average snowfall days in March - Mason City, IA
  • Average snowfall days in March: 8.6 days

The month with the highest number of snowfall days is January (14.6 days).
Months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in March / Average sunshine in March - Mason City, IA
  • Average daylight in March: 12h

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9h).

  • Average sunshine in March: 5.8h

The month with the most sunshine is July (Average sunshine: 9.8h).
The month with the least sunshine is January (Average sunshine: 3.5h).

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Average sunshine days in March
Mason City, IA

Average sunshine days in March - Mason City, IA
  • Average sunshine days in March: 13.4 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 March
Mason City, IA

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

The month with the highest UV index is June (UV index 6).
Months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in March
Mason City, IA

Average cloud cover in March - Mason City, IA
  • Average cloud cover in March: 54

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 March
Mason City, IA

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

Months with the highest visibility are March, April, May, June, August, September, October and November (6mi).
Months with the lowest visibility are January, February, July and December (5mi).

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