March weather forecast
Onslow, IA

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Weather in March

March, the first month of the spring in Onslow, is a frosty month, with temperature in the range of an average high of 44.2°F (6.8°C) and an average low of 29.5°F (-1.4°C).

Temperature

The arrival of March is marked by a notable increase in high-temperatures, climbing from a freezing cold 28.9°F (-1.7°C) in February to a frosty 44.2°F (6.8°C). Throughout the March nights, Onslow encounters a low-temperature of 29.5°F (-1.4°C).

Humidity

The average relative humidity in March in Onslow, Iowa, is 78%.

Rainfall

In March, in Onslow, the rain falls for 11.9 days. Throughout March, 1.85" (47mm) of precipitation is accumulated. In Onslow, during the entire year, the rain falls for 142.5 days and collects up to 28.27" (718mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Onslow, in March, snow falls for 6 days, with typically accumulated 1.85" (47mm) of snow. Throughout the year, in Onslow, there are 43.2 snowfall days, and 17.17" (436mm) of snow is accumulated.

Daylight

The average length of the day in March is 11h and 58min.
On the first day of the month, sunrise is at 6:37 am and sunset at 5:54 pm CST. On the last day of March, in Onslow, sunrise is at 6:46 am and sunset at 7:29 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

The average sunshine in March in Onslow is 6.3h.

UV index

In March, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The daily high UV index of 3 during March translates into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

How cold is it in Onslow in March?

March temperatures in Onslow, Iowa, vary between a high-temperature of 44.2°F (6.8°C) and a low-temperature of 29.5°F (-1.4°C).

What is the average humidity in March in Onslow?

The average relative humidity in March in Onslow is 78%.

How much does it rain in Onslow in March?

In March, in Onslow, the rain falls for 11.9 days. Throughout March, 1.85" (47mm) of precipitation is accumulated.

How much does it snow in Onslow in March?

In March, in Onslow, it is snowing for 6 days. Throughout March, 1.85" (47mm) of snow is accumulated.

How many hours of daylight does Onslow have in March?

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

What time are sunrise and sunset in March in Onslow?

On the first day of March in Onslow, Iowa, sunrise is at 6:37 am and sunset at 5:54 pm CST. On the last day of the month, sunrise is at 6:46 am and sunset at 7:29 pm CDT.

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

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

How many hours of sunshine does Onslow have in March?

In Onslow, Iowa, the average sunshine duration in March is 6.3h.

What is the UV index intensity in March in Onslow?

In March, the average daily maximum UV index in Onslow is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe 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
Onslow, IA

Average temperature in March - Onslow, IA
  • Average high temperature in March: 44.2°F

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (25.2°F).

  • Average low temperature in March: 29.5°F

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).

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Average pressure in March
Onslow, IA

Average pressure in March - Onslow, IA
  • Average pressure in March: 30.08"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in March
Onslow, IA

Average wind speed in March - Onslow, IA
  • Average wind speed in March: 10.4mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).

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Average humidity in March
Onslow, IA

Average humidity in March - Onslow, IA
  • Average humidity in March: 78%

The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in March
Onslow, IA

Average rainfall in March - Onslow, IA
  • Average rainfall in March: 1.85"

The wettest month (with the highest rainfall) is May (4.25").
The driest months (with the least rainfall) are January and February (1.26").

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Average rainfall days in March
Onslow, IA

Average rainfall days in March - Onslow, IA
  • Average rainfall days in March: 11.9 days

The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is January (5.2 days).

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Average snowfall in March
Onslow, IA

Average snowfall in March - Onslow, IA
  • Average snowfall in March: 1.85"

The month with the highest snowfall is January (5.04").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in March
Onslow, IA

Average snowfall days in March - Onslow, IA
  • Average snowfall days in March: 6 days

The month with the highest number of snowfall days is January (12.1 days).
The 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
Onslow, IA

Average daylight in March / Average sunshine in March - Onslow, 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 months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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Average sunshine days in March
Onslow, IA

Average sunshine days in March - Onslow, IA
  • Average sunshine days in March: 14.3 days

The month with the most sunshine days is September (17 days).
The month with the least sunshine days is June (10.5 days).

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Average UV index in March
Onslow, IA

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

The months with the highest UV index are June and July (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 March
Onslow, IA

Average cloud cover in March - Onslow, IA
  • Average cloud cover in March: 50

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in March
Onslow, IA

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

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

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Onslow, Iowa, USA

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