March weather forecast
Fairfax, IA

Weather in March

The first month of the spring, March, is a chilly month in Fairfax, Iowa, with average temperature fluctuating between 45.7°F (7.6°C) and 30.6°F (-0.8°C).

Temperature

In Fairfax, Iowa, the average high-temperature in March increases considerably, from a freezing cold 30.6°F (-0.8°C) in February, to a chilly 45.7°F (7.6°C). In March, in Fairfax, the average low-temperature is 30.6°F (-0.8°C).

Humidity

The average relative humidity in March is 76%.

Rainfall

In Fairfax, during March, the rain falls for 9.4 days and regularly aggregates up to 1.02" (26mm) of precipitation. In Fairfax, Iowa, during the entire year, the rain falls for 120.7 days and collects up to 18.31" (465mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In Fairfax, in March, during 4.5 snowfall days, 0.79" (20mm) of snow is typically accumulated. In Fairfax, during the entire year, snow falls for 36.1 days, and aggregates up to 8.43" (214mm) of snow.

Daylight

The average length of the day in March is 12h.

Sunshine

The average sunshine in March is 6.4h.

UV index

In Fairfax, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: In March, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. 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 Fairfax?

In Fairfax, Iowa, the average relative humidity in March is 76%.

How many days does it rain in March in Fairfax?

In March, the rain falls for 9.4 days. Throughout March, 1.02" (26mm) of precipitation is accumulated.

How many days does it snow in March in Fairfax?

In Fairfax, Iowa, during March, snow falls for 4.5 days and regularly aggregates up to 0.79" (20mm) of snow.

How many hours of daylight does Fairfax have in March?

In March, the average length of the day in Fairfax, Iowa, is 12h.

How long on average sun shines in March in Fairfax?

In March, the average sunshine is 6.4h.

What is the UV index intensity in March in Fairfax?

In March, the average daily maximum UV index in Fairfax is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to the UV radiation.

Average temperature in March
Fairfax, IA

Average temperature in March - Fairfax, IA
  • Average high temperature in March: 45.7°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (26.2°F).

  • Average low temperature in March: 30.6°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).

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Average pressure in March
Fairfax, IA

Average pressure in March - Fairfax, IA
  • Average pressure in March: 30.08"

The month with the highest atmospheric pressure is January (30.14").
The month with the lowest atmospheric pressure is June (29.9").

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Average wind speed in March
Fairfax, IA

Average wind speed in March - Fairfax, IA
  • Average wind speed in March: 10.5mph

The windiest months (with the highest average wind speed) are January and April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

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Average humidity in March
Fairfax, IA

Average humidity in March - Fairfax, IA
  • Average humidity in March: 76%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in March
Fairfax, IA

Average rainfall in March - Fairfax, IA
  • Average rainfall in March: 1.02"

The wettest month (with the highest rainfall) is May (3.07").
The driest months (with the least rainfall) are January and February (0.63").

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Average rainfall days in March
Fairfax, IA

Average rainfall days in March - Fairfax, IA
  • Average rainfall days in March: 9.4 days

The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is February (3 days).

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Average snowfall in March
Fairfax, IA

Average snowfall in March - Fairfax, IA
  • Average snowfall in March: 0.79"

The month with the highest snowfall is January (2.64").
Months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in March
Fairfax, IA

Average snowfall days in March - Fairfax, IA
  • Average snowfall days in March: 4.5 days

The month with the highest number of snowfall days is January (10.3 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in March /
Average sunshine in March
Fairfax, IA

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

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in March: 6.4h

The month with the most sunshine is July (Average sunshine: 10h).
The month with the least sunshine is January (Average sunshine: 4.1h).

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Average sunshine days in March
Fairfax, IA

Average sunshine days in March - Fairfax, IA
  • Average sunshine days in March: 17.1 days

The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is June (11.8 days).

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Average UV index in March
Fairfax, IA

Average UV index in March - Fairfax, IA
  • Average UV index in March: 3

Months with the highest UV index are June and July (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
Fairfax, IA

Average cloud cover in March - Fairfax, IA
  • Average cloud cover in March: 49

The month with the most cloud cover is January (Cloud cover 57).
Months with the least cloud cover are August and September (Cloud cover 30).

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Average visibility in March
Fairfax, IA

Average visibility in March - Fairfax, IA
  • Average visibility in March: 6mi

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

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