March weather forecast
Harpers Ferry, IA

Weather in March

March, the first month of the spring in Harpers Ferry, is a cold month, with temperature in the range of an average high of 42.1°F (5.6°C) and an average low of 26.8°F (-2.9°C).

Temperature

In Harpers Ferry, the average high-temperature in March increases considerably from a subzero cold 27°F (-2.8°C) in February to a wintry 42.1°F (5.6°C). In Harpers Ferry, the average low-temperature is 26.8°F (-2.9°C).

Humidity

In March, the average relative humidity is 80%.

Rainfall

In Harpers Ferry, Iowa, it is raining for 9.6 days, with typically 1.3" (33mm) of accumulated precipitation. Throughout the year, in Harpers Ferry, there are 124.7 rainfall days, and 22.56" (573mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Harpers Ferry, Iowa. In March, in Harpers Ferry, it is snowing for 6.7 days. Throughout March, 1.97" (50mm) of snow is accumulated. In Harpers Ferry, during the entire year, snow falls for 44.5 days and aggregates up to 15.47" (393mm) of snow.

Daylight

In March, the average length of the day is 11h and 58min.
On the first day of the month, sunrise is at 6:40 am and sunset at 5:53 pm CST. On the last day of March, in Harpers Ferry, sunrise is at 6:47 am and sunset at 7:29 pm CDT.
Note: On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time lasts until Sunday, November 6. 2022, at 2:00 am; consequently, the time zone reverts from CDT to CST.

Sunshine

The average sunshine in March is 5.8h.

UV index

The average daily maximum UV index in March in Harpers Ferry is 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 2 in March transform into the following instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in March in Harpers Ferry?

In March, the average relative humidity in Harpers Ferry is 80%.

How much does it rain in Harpers Ferry in March?

In Harpers Ferry, in March, during 9.6 rainfall days, 1.3" (33mm) of precipitation is typically accumulated.

How much does it snow in Harpers Ferry in March?

In March, in Harpers Ferry, it is snowing for 6.7 days. Throughout March, 1.97" (50mm) of snow is accumulated.

How many hours of daylight does Harpers Ferry have in March?

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

When is the sunrise / sunset in March in Harpers Ferry?

On the first day of March in Harpers Ferry, sunrise is at 6:40 am and sunset at 5:53 pm CST. On the last day of the month, sunrise is at 6:47 am and sunset at 7:29 pm CDT.

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

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Harpers Ferry, Iowa, and the time zone changes from CST to CDT. DST ends Sunday, November 6. 2022, at 2:00 am.

How many hours of sunshine does Harpers Ferry have in March?

In March, the average sunshine duration in Harpers Ferry, Iowa, is 5.8h.

How high is the UV index in March in Harpers Ferry?

In Harpers Ferry, the average daily maximum UV index in March is 2. A UV Index value of 2, and less, symbolizes a low health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
Harpers Ferry, IA

Average temperature in March - Harpers Ferry, IA
  • Average high temperature in March: 42.1°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (23.2°F).

  • Average low temperature in March: 26.8°F

The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (10.6°F).

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Average pressure in March
Harpers Ferry, IA

Average pressure in March - Harpers Ferry, 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
Harpers Ferry, IA

Average wind speed in March - Harpers Ferry, IA
  • Average wind speed in March: 9.3mph

The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

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Average humidity in March
Harpers Ferry, IA

Average humidity in March - Harpers Ferry, IA
  • Average humidity in March: 80%

The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is October (76%).

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Average rainfall in March
Harpers Ferry, IA

Average rainfall in March - Harpers Ferry, IA
  • Average rainfall in March: 1.3"

The wettest month (with the highest rainfall) is June (3.9").
The driest month (with the least rainfall) is January (0.75").

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Average rainfall days in March
Harpers Ferry, IA

Average rainfall days in March - Harpers Ferry, IA
  • Average rainfall days in March: 9.6 days

The month with the highest number of rainy days is June (18.6 days).
The month with the least rainy days is February (3.6 days).

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Average snowfall in March
Harpers Ferry, IA

Average snowfall in March - Harpers Ferry, IA
  • Average snowfall in March: 1.97"

The month with the highest snowfall is February (3.94").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in March
Harpers Ferry, IA

Average snowfall days in March - Harpers Ferry, IA
  • Average snowfall days in March: 6.7 days

The month with the highest number of snowfall days is January (11.7 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
Harpers Ferry, IA

Average daylight in March / Average sunshine in March - Harpers Ferry, IA
  • Average daylight in March: 11h and 58min

The month with the longest days is June (Average daylight: 15h and 20min).
The month with the shortest days is December (Average daylight: 9h and 3min).

  • Average sunshine in March: 5h and 48min

The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

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Average sunshine days in March
Harpers Ferry, IA

Average sunshine days in March - Harpers Ferry, IA
  • Average sunshine days in March: 16 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is June (9.6 days).

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Average UV index in March
Harpers Ferry, IA

Average UV index in March - Harpers Ferry, IA
  • Average UV index in March: 2

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).

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Average cloud cover in March
Harpers Ferry, IA

Average cloud cover in March - Harpers Ferry, IA
  • Average cloud cover in March: 53

The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in March
Harpers Ferry, IA

Average visibility in March - Harpers Ferry, IA
  • Average visibility in March: 6mi

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

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