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 marks a distinct rise in the average high-temperature, ascending from February's freezing cold 25.3°F (-3.7°C) to a cold 40.6°F (4.8°C). Grafton experiences an average low-temperature of 27°F (-2.8°C) in month of March.Humidity
The average relative humidity in March is 81%.Rainfall
In March, the rain falls for 10.1 days. Throughout March, 1.38" (35mm) of precipitation is accumulated. In Grafton, during the entire year, the rain falls for 134.3 days and collects up to 25.08" (637mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Grafton, in March, snow falls for 7.9 days, with typically accumulated 3.11" (79mm) of snow. In Grafton, during the entire year, snow falls for 57 days and aggregates up to 22.83" (580mm) of snow.Daylight
In March, the average length of the day is 11h and 58min.On the first day of March, sunrise is at 6:47 am and sunset at 6:01 pm CST. On the last day of the month, sunrise is at 6:54 am and sunset at 7:38 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 5.6h.UV index
In March, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In March, the maximum UV index of 2 translates into these guidelines:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is March cold?
What is the average humidity in March?
How many days does it rain in March?
How much does it snow in March?
How many hours of daylight does Grafton have in March?
When are sunrise and sunset in March in Grafton?
When does Daylight Saving Time (DST) start in March in Grafton?
How many hours of sunshine does Grafton have in March?
What is the UV index intensity in March?
Average temperature in March
Grafton, IA
- Average high temperature in March: 40.6°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (21.6°F).
- Average low temperature in March: 27°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (9°F).
Average pressure in March
Grafton, IA
- Average pressure in March: 30.08"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in March
Grafton, IA
- Average wind speed in March: 10.5mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.4mph).
Average humidity in March
Grafton, IA
- Average humidity in March: 81%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and October (72%).
Average rainfall in March
Grafton, IA
- Average rainfall in March: 1.38"
The wettest month (with the highest rainfall) is June (4.13").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in March
Grafton, IA
- Average rainfall days in March: 10.1 days
The month with the highest number of rainy days is June (18.4 days).
The month with the least rainy days is February (2.9 days).
Average snowfall in March
Grafton, IA
- Average snowfall in March: 3.11"
The month with the highest snowfall is February (5.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in March
Grafton, IA
- Average snowfall days in March: 7.9 days
The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in March /
Average sunshine in March
Grafton, 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 4min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in March
Grafton, IA
- Average sunshine days in March: 14.3 days
The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is June (9.1 days).
Average UV index in March
Grafton, 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, February, November and December (UV index 1).
Average cloud cover in March
Grafton, IA
- Average cloud cover in March: 55
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in March
Grafton, IA
- Average visibility in March: 6mi
The months with the highest visibility are March, April, May, June, September, October and November (6mi).
The months with the lowest visibility are January, February, July, August and December (5mi).
Grafton, Iowa, USA
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