Contents
- Weather in March
- Frequently asked questions
- Average temperature in March
- Average pressure in March
- Average wind speed in March
- Average humidity in March
- Average rainfall in March
- Average rainfall days in March
- Average snowfall in March
- Average snowfall days in March
- Average daylight in March
- Average sunshine in March
- Average sunshine days in March
- Average UV index in March
- Average cloud cover in March
- Average visibility in March
Weather in March
Temperature
With the onset of March, Harpers Ferry's weather experiences a distinct temperature rise, moving from a subzero cold 27°F (-2.8°C) in February to a wintry 42.1°F (5.6°C). During the month of March, an average low-temperature of 26.8°F (-2.9°C) is recorded in Harpers Ferry.Humidity
In March, the average relative humidity in Harpers Ferry is 80%.Rainfall
In March, the rain falls for 9.6 days. Throughout March, 1.3" (33mm) of precipitation is accumulated. In Harpers Ferry, during the entire year, the rain falls for 124.7 days and collects up to 22.56" (573mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Harpers Ferry, Iowa, during March, snow falls for 6.7 days and regularly aggregates up to 1.97" (50mm) of snow. Throughout the year, in Harpers Ferry, there are 44.5 snowfall days, and 15.47" (393mm) of snow is accumulated.Daylight
In March, the average length of the day is 11h and 58min.On the first day of March in Harpers Ferry, sunrise is at 6:39 am and sunset at 5:54 pm CST. On the last day of the month, sunrise is at 6:46 am and sunset at 7:30 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 is 5.8h.UV index
In March, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 2 during March translates into the following guidance:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is March in Harpers Ferry?
What is the average humidity in March in Harpers Ferry?
How much does it rain in Harpers Ferry in March?
How many days does it snow in March in Harpers Ferry?
What is the average length of the day in March in Harpers Ferry?
What time are sunrise and sunset in March in Harpers Ferry?
When does Daylight Saving Time (DST) start in March in Harpers Ferry?
How long on average sun shines in March in Harpers Ferry?
How high is the UV index in March in Harpers Ferry?
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).
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).
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).
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%).
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").
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).
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").
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).
Average daylight in March /
Average sunshine in March
Harpers Ferry, IA
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in March: 5h and 5min
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).
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).
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).
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).
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).
Harpers Ferry, Iowa, USA
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