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
March's arrival witnesses a distinct temperature rise, advancing from February's subzero cold 27.7°F (-2.4°C) to a frosty 44.1°F (6.7°C). The temperature lowers to an average of 28.9°F (-1.7°C) during March nights.Humidity
In Rock Valley, the average relative humidity in March is 76%.Rainfall
In March, the rain falls for 10.3 days. Throughout March, 1.65" (42mm) of precipitation is accumulated. In Rock Valley, Iowa, during the entire year, the rain falls for 130 days and collects up to 24.09" (612mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Rock Valley, during March, snow falls for 7.9 days and regularly aggregates up to 3.07" (78mm) of snow. In Rock Valley, during the entire year, snow falls for 49.2 days and aggregates up to 19.41" (493mm) of snow.Daylight
In Rock Valley, Iowa, the average length of the day in March is 11h and 58min.On the first day of the month, sunrise is at 6:59 am and sunset at 6:14 pm CST. On the last day of March, sunrise is at 7:07 am and sunset at 7:50 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 Rock Valley, Iowa, is 6.3h.UV index
In Rock Valley, the average daily maximum UV index in March is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The daily high UV index of 3 in March translates into this advice:
Put precautions into practice - Protective measures against sun-induced damage are advised. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is March cold in Rock Valley?
What is the average humidity in March in Rock Valley?
How much does it rain in Rock Valley in March?
How much does it snow in Rock Valley in March?
How many hours of daylight does Rock Valley have in March?
What time are sunrise and sunset in March in Rock Valley?
When does Daylight Saving Time (DST) start in March in Rock Valley?
How many hours of sunshine does Rock Valley have in March?
How high is the UV index in March in Rock Valley?
Average temperature in March
Rock Valley, IA
- Average high temperature in March: 44.1°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (24.1°F).
- Average low temperature in March: 28.9°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in March
Rock Valley, 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
Rock Valley, IA
- Average wind speed in March: 10.7mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in March
Rock Valley, IA
- Average humidity in March: 76%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (67%).
Average rainfall in March
Rock Valley, IA
- Average rainfall in March: 1.65"
The wettest month (with the highest rainfall) is June (3.78").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in March
Rock Valley, IA
- Average rainfall days in March: 10.3 days
The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in March
Rock Valley, IA
- Average snowfall in March: 3.07"
The month with the highest snowfall is February (4.49").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in March
Rock Valley, IA
- Average snowfall days in March: 7.9 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in March /
Average sunshine in March
Rock Valley, 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: 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 6min).
Average sunshine days in March
Rock Valley, IA
- Average sunshine days in March: 13.8 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (8.3 days).
Average UV index in March
Rock Valley, 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, February, October, November and December (UV index 2).
Average cloud cover in March
Rock Valley, IA
- Average cloud cover in March: 49
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in March
Rock Valley, 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).
Rock Valley, Iowa, USA
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