March weather forecast
Castana, IA

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Weather in March

The first month of the spring, March, is a chilly month in Castana, Iowa, with an average temperature ranging between min 31.8°F (-0.1°C) and max 47.8°F (8.8°C).

Temperature

Castana's weather in March is characterized by a distinct rise in the average high-temperature, escalating from a wintry 32.2°F (0.1°C) in February to a chilly 47.8°F (8.8°C). In Castana, March is marked by an average low-temperature of 31.8°F (-0.1°C).

Humidity

In Castana, the average relative humidity in March is 72%.

Rainfall

In Castana, in March, it is raining for 8.9 days, with typically 1.38" (35mm) of accumulated precipitation. Throughout the year, there are 117.6 rainfall days, and 21.89" (556mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. In Castana, in March, during 4.5 snowfall days, 1.89" (48mm) of snow is typically accumulated. Throughout the year, there are 32.9 snowfall days, and 11.69" (297mm) of snow is accumulated.

Daylight

In March, the average length of the day is 11h and 58min.
On the first day of the month, sunrise is at 6:57 am and sunset at 6:14 pm CST. On the last day of March, sunrise is at 7:06 am and sunset at 7:48 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 Castana, 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 radiation for ordinary individuals.
Note: The daily high UV index of 3 in March translates into this advice:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Updated: Jul 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in March?

The high-temperature, in March, in Castana, records 47.8°F (8.8°C), while the low-temperature is 31.8°F (-0.1°C).

What is the average humidity in March?

In Castana, the average relative humidity in March is 72%.

How much does it rain in March?

In Castana, during March, the rain falls for 8.9 days and regularly aggregates up to 1.38" (35mm) of precipitation.

How much does it snow in March?

In Castana, in March, snow falls for 4.5 days, with typically accumulated 1.89" (48mm) of snow.

What is the average length of the day in March?

The average day length in March is 11h and 58min.

When is the sunrise / sunset in March?

In March, on the first day of the month, sunrise is at 6:57 am and sunset at 6:14 pm CST. On the last day of the month, sunrise is at 7:06 am and sunset at 7:48 pm CDT.

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

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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 Castana, the average sunshine duration in March is 6.4h.

How high is the UV index in March?

The average daily maximum UV index in March is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
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
Castana, IA

Average temperature in March - Castana, IA
  • Average high temperature in March: 47.8°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (28°F).

  • Average low temperature in March: 31.8°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).

Average pressure in March
Castana, IA

Average pressure in March - Castana, 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 (29.86"Hg).

Average wind speed in March
Castana, IA

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

The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).

Average humidity in March
Castana, IA

Average humidity in March - Castana, IA
  • Average humidity in March: 72%

The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are April and October (66%).

Average rainfall in March
Castana, IA

Average rainfall in March - Castana, IA
  • Average rainfall in March: 1.38"

The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is January (0.67").

Average rainfall days in March
Castana, IA

Average rainfall days in March - Castana, IA
  • Average rainfall days in March: 8.9 days

The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is February (2.7 days).

Average snowfall in March
Castana, IA

Average snowfall in March - Castana, IA
  • Average snowfall in March: 1.89"

The month with the highest snowfall is February (3.03").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in March
Castana, IA

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

The month with the highest number of snowfall days is January (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 12min).
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 36min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

Average sunshine days in March
Castana, IA

Average sunshine days in March - Castana, IA
  • Average sunshine days in March: 17.9 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (12 days).

Average UV index in March
Castana, IA

Average UV index in March - Castana, 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 February and December (UV index 1).

Average cloud cover in March
Castana, IA

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

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 26).

Average visibility in March
Castana, IA

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

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

Castana, Iowa, USA

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