March weather forecast
Walnut, IA

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Weather in March

March, the first month of the spring in Walnut, is a frosty month, with temperature in the range of an average high of 48.2°F (9°C) and an average low of 32.5°F (0.3°C).

Temperature

With the onset of March, Walnut's average high-temperature witnesses a clear rise, advancing from February's wintry 32.4°F (0.2°C) to a chilly 48.2°F (9°C). Walnut's March nights cool down to an average low-temperature of 32.5°F (0.3°C).

Humidity

The average relative humidity in March is 73%.

Rainfall

In March, in Walnut, the rain falls for 10.2 days. Throughout March, 1.73" (44mm) of precipitation is accumulated. In Walnut, during the entire year, the rain falls for 127.7 days and collects up to 26.57" (675mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In March, in Walnut, it is snowing for 4.5 days. Throughout March, 1.93" (49mm) of snow is accumulated. In Walnut, during the entire year, snow falls for 35.8 days and aggregates up to 13.82" (351mm) of snow.

Daylight

In Walnut, the average length of the day in March is 11h and 58min.
On the first day of the month, sunrise is at 6:54 am and sunset at 6:12 pm CST. On the last day of March, in Walnut, sunrise is at 7:04 am and sunset at 7:45 pm CDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from CDT to CST.

Sunshine

In March, the average sunshine is 6.4h.

UV index

In Walnut, the average daily maximum UV index in March is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: An average maximum UV index of 3 in March leads to these recommendations:
Take precautions - Protection against skin and eye damage is obliged. To guard against the harmful effects of the Sun, minimize exposure during midday. Opt for tightly woven and loose clothing to enhance protection from the Sun. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
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Frequently asked questions

What is the usual temperature for Walnut in March?

The high-temperature, in March, in Walnut, is 48.2°F (9°C), while the low-temperature averages to 32.5°F (0.3°C).

What is the average humidity in March in Walnut?

In March, the average relative humidity is 73%.

How much does it rain in Walnut in March?

In March, in Walnut, Iowa, the rain falls for 10.2 days. Throughout March, 1.73" (44mm) of precipitation is accumulated.

How many days does it snow in March in Walnut?

In March, in Walnut, it is snowing for 4.5 days. Throughout March, 1.93" (49mm) of snow is accumulated.

What is the average length of the day in March in Walnut?

In Walnut, Iowa, the average day length in March is 11h and 58min.

When is the sunrise / sunset in March in Walnut?

In March, on the first day of the month, sunrise is at 6:54 am and sunset at 6:12 pm CST. On the last day of the month, in Walnut, Iowa, sunrise is at 7:04 am and sunset at 7:45 pm CDT.

When does Daylight Saving Time (DST) start in March in Walnut?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Walnut, Iowa, and the time zone changes from CST to CDT. DST ends Sunday, November 3. 2024, at 2:00 am.

How long on average sun shines in March in Walnut?

In Walnut, Iowa, the average sunshine duration in March is 6.4h.

What is the UV index intensity in March in Walnut?

The average daily maximum UV index in March in Walnut, Iowa, is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
Walnut, IA

Average temperature in March - Walnut, IA
  • Average high temperature in March: 48.2°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in March: 32.5°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).

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Average pressure in March
Walnut, IA

Average pressure in March - Walnut, IA
  • Average pressure in March: 30.06"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed in March
Walnut, IA

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

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is July (7mph).

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Average humidity in March
Walnut, IA

Average humidity in March - Walnut, IA
  • Average humidity in March: 73%

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (68%).

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Average rainfall in March
Walnut, IA

Average rainfall in March - Walnut, IA
  • Average rainfall in March: 1.73"

The wettest month (with the highest rainfall) is June (4.37").
The driest month (with the least rainfall) is January (0.87").

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Average rainfall days in March
Walnut, IA

Average rainfall days in March - Walnut, IA
  • Average rainfall days in March: 10.2 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is February (3.6 days).

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Average snowfall in March
Walnut, IA

Average snowfall in March - Walnut, IA
  • Average snowfall in March: 1.93"

The month with the highest snowfall is February (3.7").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in March
Walnut, IA

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

The month with the highest number of snowfall days is January (9.8 days).
The 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
Walnut, IA

Average daylight in March / Average sunshine in March - Walnut, IA
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in March: 6h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

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Average sunshine days in March
Walnut, IA

Average sunshine days in March - Walnut, IA
  • Average sunshine days in March: 16.4 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (11 days).

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Average UV index in March
Walnut, IA

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

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

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Average cloud cover in March
Walnut, IA

Average cloud cover in March - Walnut, IA
  • Average cloud cover in March: 47

The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 27).

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Average visibility in March
Walnut, IA

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

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

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Walnut, Iowa, USA

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